src/filemanager/panel.c

src/filemanager/panel.c
Manual pages: mc • mcdiff • mcedit • mcview
/* */
This source file includes following definitions.
panelized_descr_new
panelized_descr_free
set_colors
format_item_free
panel_lines
add_permission_string
string_file_name
ilog10
format_device_number
string_file_size
string_file_size_brief
string_file_type
string_file_mtime
string_file_atime
string_file_ctime
string_file_permission
string_file_perm_octal
string_file_nlinks
string_inode
string_file_nuid
string_file_ngid
string_file_owner
string_file_group
string_marked
string_space
string_dot
file_compute_color
panel_items
format_file
repaint_file
repaint_status
display_mini_info
paint_dir
display_total_marked_size
mini_info_separator
show_free_space
panel_correct_path_to_show
panel_get_encoding_info_str
show_dir
adjust_top_file
panel_save_name
directory_history_add
panel_load_history
panel_save_history
panel_destroy
panel_paint_sort_info
panel_get_title_without_hotkey
panel_print_header
parse_panel_size
parse_display_format
use_display_format
panel_format
mini_status_format
cd_up_dir
maybe_cd
force_maybe_cd
unselect_item
panel_select_ext_cmd
panel_set_current
panel_current_at_half
move_down
move_up
panel_move_current
move_left
move_right
prev_page
goto_parent_dir
next_page
goto_child_dir
goto_top_file
goto_middle_file
goto_bottom_file
move_home
move_end
do_mark_file
mark_file
mark_file_up
mark_file_down
mark_file_right
mark_file_left
panel_select_unselect_files_dialog
panel_select_unselect_files
panel_select_files
panel_unselect_files
panel_select_invert_files
panel_do_set_filter
do_search
start_search
stop_search
do_enter_on_file_entry
do_enter
panel_cycle_listing_format
chdir_other_panel
panel_sync_other
chdir_to_readlink
panel_get_format_field_index_by_name
panel_get_sortable_field_by_format
panel_toggle_sort_order_prev
panel_toggle_sort_order_next
panel_select_sort_order
panel_content_scroll_left
panel_content_scroll_right
panel_content_scroll_home
panel_content_scroll_end
panel_set_sort_type_by_id
get_parent_dir_name
panel_do_cd_int
directory_history_next
directory_history_prev
directory_history_list
panel_execute_cmd
panel_key
panel_callback
mouse_toggle_mark
mouse_set_mark
mark_if_marking
mouse_sort_col
panel_mouse_is_on_item
panel_mouse_callback
reload_panelized
update_one_panel_widget
update_one_panel
event_update_panels
panel_save_current_file_to_clip_file
panel_recursive_cd_to_parent
panel_dir_list_callback
panel_current_entry
panel_set_current_by_name
panel_clean_dir
panel_set_cwd
panel_set_lwd
panel_sized_empty_new
panel_sized_with_dir_new
panel_reload
set_panel_formats
panel_set_filter
select_item
unmark_files
recalculate_panel_summary
do_file_mark
panel_do_cd
file_mark
panel_find_marked_file
panel_get_marked_file
panel_re_sort
panel_set_sort_order
panel_change_encoding
remove_encoding_from_path
update_panels
panel_get_num_of_sortable_fields
panel_get_sortable_fields
panel_get_field_by_id
panel_get_field_by_title_hotkey
panel_get_field_by_title
panel_get_num_of_user_possible_fields
panel_get_user_possible_fields
panel_panelize_cd
panel_panelize_change_root
panel_panelize_absolutize_if_needed
panel_panelize_save
panel_init
panel_deinit
panel_cd
   1 /*
   2    Panel managing.
   3 
   4    Copyright (C) 1994-2025
   5    Free Software Foundation, Inc.
   6 
   7    Written by:
   8    Miguel de Icaza, 1995
   9    Timur Bakeyev, 1997, 1999
  10    Slava Zanko <slavazanko@gmail.com>, 2013
  11    Andrew Borodin <aborodin@vmail.ru>, 2013-2023
  12 
  13    This file is part of the Midnight Commander.
  14 
  15    The Midnight Commander is free software: you can redistribute it
  16    and/or modify it under the terms of the GNU General Public License as
  17    published by the Free Software Foundation, either version 3 of the License,
  18    or (at your option) any later version.
  19 
  20    The Midnight Commander is distributed in the hope that it will be useful,
  21    but WITHOUT ANY WARRANTY; without even the implied warranty of
  22    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23    GNU General Public License for more details.
  24 
  25    You should have received a copy of the GNU General Public License
  26    along with this program.  If not, see <https://www.gnu.org/licenses/>.
  27  */
  28 
  29 /** \file panel.c
  30  *  \brief Source: panel managin module
  31  */
  32 
  33 #include <config.h>
  34 
  35 #include <limits.h>  // UINT_MAX
  36 #include <stdio.h>
  37 #include <stdlib.h>
  38 #include <string.h>
  39 
  40 #include "lib/global.h"
  41 
  42 #include "lib/tty/tty.h"
  43 #include "lib/tty/key.h"  // XCTRL and ALT macros
  44 #include "lib/skin.h"
  45 #include "lib/strutil.h"
  46 #include "lib/mcconfig.h"
  47 #include "lib/vfs/vfs.h"
  48 #include "lib/unixcompat.h"
  49 #include "lib/search.h"
  50 #include "lib/timefmt.h"  // file_date()
  51 #include "lib/util.h"
  52 #include "lib/widget.h"
  53 #include "lib/charsets.h"  // get_codepage_id ()
  54 #include "lib/event.h"
  55 
  56 #include "src/setup.h"  // For loading/saving panel options
  57 #include "src/execute.h"
  58 #include "src/selcodepage.h"  // select_charset (), SELECT_CHARSET_NO_TRANSLATE
  59 #include "src/keymap.h"       // global_keymap_t
  60 #include "src/history.h"
  61 #ifdef ENABLE_SUBSHELL
  62 #include "src/subshell/subshell.h"  // subshell_chdir()
  63 #endif
  64 
  65 #include "src/usermenu.h"
  66 
  67 #include "dir.h"
  68 #include "boxes.h"
  69 #include "tree.h"
  70 #include "ext.h"     // regexp_command
  71 #include "layout.h"  // Most layout variables are here
  72 #include "cmd.h"
  73 #include "command.h"  // cmdline
  74 #include "filemanager.h"
  75 #include "mountlist.h"  // my_statfs
  76 #include "cd.h"         // cd_error_message()
  77 
  78 #include "panel.h"
  79 
  80 /*** global variables ****************************************************************************/
  81 
  82 /* The hook list for the select file function */
  83 hook_t *select_file_hook = NULL;
  84 
  85 mc_fhl_t *mc_filehighlight = NULL;
  86 
  87 /*** file scope macro definitions ****************************************************************/
  88 
  89 typedef enum
  90 {
  91     FATTR_NORMAL = 0,
  92     FATTR_CURRENT,
  93     FATTR_MARKED,
  94     FATTR_MARKED_CURRENT,
  95     FATTR_STATUS
  96 } file_attr_t;
  97 
  98 #define DEFAULT_USER_FORMAT "half type name | size | perm"
  99 
 100 /* select/unselect dialog results */
 101 #define SELECT_RESET ((mc_search_t *) (-1))
 102 #define SELECT_ERROR ((mc_search_t *) (-2))
 103 
 104 /* mouse position relative to file list */
 105 #define MOUSE_UPPER_FILE_LIST (-1)
 106 #define MOUSE_BELOW_FILE_LIST (-2)
 107 #define MOUSE_AFTER_LAST_FILE (-3)
 108 
 109 /*** file scope type declarations ****************************************************************/
 110 
 111 typedef enum
 112 {
 113     MARK_DONT_MOVE = 0,
 114     MARK_DOWN = 1,
 115     MARK_FORCE_DOWN = 2,
 116     MARK_FORCE_UP = 3
 117 } mark_act_t;
 118 
 119 /*
 120  * This describes a format item.  The parse_display_format routine parses
 121  * the user specified format and creates a linked list of format_item_t structures.
 122  */
 123 typedef struct format_item_t
 124 {
 125     int requested_field_len;
 126     int field_len;
 127     align_crt_t just_mode;
 128     gboolean expand;
 129     const char *(*string_fn) (const file_entry_t *fe, int len);
 130     char *title;
 131     const char *id;
 132 } format_item_t;
 133 
 134 /* File name scroll states */
 135 typedef enum
 136 {
 137     FILENAME_NOSCROLL = 1,
 138     FILENAME_SCROLL_LEFT = 2,
 139     FILENAME_SCROLL_RIGHT = 4
 140 } filename_scroll_flag_t;
 141 
 142 /*** forward declarations (file scope functions) *************************************************/
 143 
 144 static const char *string_file_name (const file_entry_t *fe, int len);
 145 static const char *string_file_size (const file_entry_t *fe, int len);
 146 static const char *string_file_size_brief (const file_entry_t *fe, int len);
 147 static const char *string_file_type (const file_entry_t *fe, int len);
 148 static const char *string_file_mtime (const file_entry_t *fe, int len);
 149 static const char *string_file_atime (const file_entry_t *fe, int len);
 150 static const char *string_file_ctime (const file_entry_t *fe, int len);
 151 static const char *string_file_permission (const file_entry_t *fe, int len);
 152 static const char *string_file_perm_octal (const file_entry_t *fe, int len);
 153 static const char *string_file_nlinks (const file_entry_t *fe, int len);
 154 static const char *string_inode (const file_entry_t *fe, int len);
 155 static const char *string_file_nuid (const file_entry_t *fe, int len);
 156 static const char *string_file_ngid (const file_entry_t *fe, int len);
 157 static const char *string_file_owner (const file_entry_t *fe, int len);
 158 static const char *string_file_group (const file_entry_t *fe, int len);
 159 static const char *string_marked (const file_entry_t *fe, int len);
 160 static const char *string_space (const file_entry_t *fe, int len);
 161 static const char *string_dot (const file_entry_t *fe, int len);
 162 
 163 /*** file scope variables ************************************************************************/
 164 
 165 static panel_field_t panel_fields[] = {
 166     { "unsorted", 12, TRUE, J_LEFT_FIT,
 167       // TRANSLATORS: one single character to represent 'unsorted' sort mode
 168       // TRANSLATORS: no need to translate 'sort', it's just a context prefix
 169       N_ ("sort|u"), N_ ("&Unsorted"), TRUE, FALSE, string_file_name, (GCompareFunc) unsorted },
 170     { "name", 12, TRUE, J_LEFT_FIT,
 171       // TRANSLATORS: one single character to represent 'name' sort mode
 172       // TRANSLATORS: no need to translate 'sort', it's just a context prefix
 173       N_ ("sort|n"), N_ ("&Name"), TRUE, TRUE, string_file_name, (GCompareFunc) sort_name },
 174     { "version", 12, TRUE, J_LEFT_FIT,
 175       // TRANSLATORS: one single character to represent 'version' sort mode
 176       // TRANSLATORS: no need to translate 'sort', it's just a context prefix
 177       N_ ("sort|v"), N_ ("&Version"), TRUE, FALSE, string_file_name, (GCompareFunc) sort_vers },
 178     { "extension", 12, TRUE, J_LEFT_FIT,
 179       // TRANSLATORS: one single character to represent 'extension' sort mode
 180       // TRANSLATORS: no need to translate 'sort', it's just a context prefix
 181       N_ ("sort|e"), N_ ("E&xtension"), TRUE, FALSE,
 182       string_file_name,  // TODO: string_file_ext
 183       (GCompareFunc) sort_ext },
 184     { "size", 7, FALSE, J_RIGHT,
 185       // TRANSLATORS: one single character to represent 'size' sort mode
 186       // TRANSLATORS: no need to translate 'sort', it's just a context prefix
 187       N_ ("sort|s"), N_ ("&Size"), TRUE, TRUE, string_file_size, (GCompareFunc) sort_size },
 188     { "bsize", 7, FALSE, J_RIGHT, "", N_ ("Block Size"), FALSE, FALSE, string_file_size_brief,
 189       (GCompareFunc) sort_size },
 190     { "type", 1, FALSE, J_LEFT, "", "", FALSE, TRUE, string_file_type, NULL },
 191     { "mtime", 12, FALSE, J_RIGHT,
 192       // TRANSLATORS: one single character to represent 'Modify time' sort mode
 193       // TRANSLATORS: no need to translate 'sort', it's just a context prefix
 194       N_ ("sort|m"), N_ ("&Modify time"), TRUE, TRUE, string_file_mtime, (GCompareFunc) sort_time },
 195     { "atime", 12, FALSE, J_RIGHT,
 196       // TRANSLATORS: one single character to represent 'Access time' sort mode
 197       // TRANSLATORS: no need to translate 'sort', it's just a context prefix
 198       N_ ("sort|a"), N_ ("&Access time"), TRUE, TRUE, string_file_atime,
 199       (GCompareFunc) sort_atime },
 200     { "ctime", 12, FALSE, J_RIGHT,
 201       // TRANSLATORS: one single character to represent 'Change time' sort mode
 202       // TRANSLATORS: no need to translate 'sort', it's just a context prefix
 203       N_ ("sort|h"), N_ ("C&hange time"), TRUE, TRUE, string_file_ctime,
 204       (GCompareFunc) sort_ctime },
 205     { "perm", 10, FALSE, J_LEFT, "", N_ ("Permission"), FALSE, TRUE, string_file_permission, NULL },
 206     { "mode", 6, FALSE, J_RIGHT, "", N_ ("Perm"), FALSE, TRUE, string_file_perm_octal, NULL },
 207     { "nlink", 2, FALSE, J_RIGHT, "", N_ ("Nl"), FALSE, TRUE, string_file_nlinks, NULL },
 208     { "inode", 5, FALSE, J_RIGHT,
 209       // TRANSLATORS: one single character to represent 'inode' sort mode
 210       // TRANSLATORS: no need to translate 'sort', it's just a context prefix
 211       N_ ("sort|i"), N_ ("&Inode"), TRUE, TRUE, string_inode, (GCompareFunc) sort_inode },
 212     { "nuid", 5, FALSE, J_RIGHT, "", N_ ("UID"), FALSE, FALSE, string_file_nuid, NULL },
 213     { "ngid", 5, FALSE, J_RIGHT, "", N_ ("GID"), FALSE, FALSE, string_file_ngid, NULL },
 214     { "owner", 8, FALSE, J_LEFT_FIT, "", N_ ("Owner"), FALSE, TRUE, string_file_owner, NULL },
 215     { "group", 8, FALSE, J_LEFT_FIT, "", N_ ("Group"), FALSE, TRUE, string_file_group, NULL },
 216     { "mark", 1, FALSE, J_RIGHT, "", " ", FALSE, TRUE, string_marked, NULL },
 217     { "|", 1, FALSE, J_RIGHT, "", " ", FALSE, TRUE, NULL, NULL },
 218     { "space", 1, FALSE, J_RIGHT, "", " ", FALSE, TRUE, string_space, NULL },
 219     { "dot", 1, FALSE, J_RIGHT, "", " ", FALSE, FALSE, string_dot, NULL },
 220     { NULL, 0, FALSE, J_RIGHT, NULL, NULL, FALSE, FALSE, NULL, NULL },
 221 };
 222 
 223 static char *panel_sort_up_char = NULL;
 224 static char *panel_sort_down_char = NULL;
 225 static int panel_sort_up_indicator_width = 0;
 226 static int panel_sort_down_indicator_width = 0;
 227 
 228 static char *panel_hiddenfiles_show_char = NULL;
 229 static char *panel_hiddenfiles_hide_char = NULL;
 230 static char *panel_history_prev_item_char = NULL;
 231 static char *panel_history_next_item_char = NULL;
 232 static char *panel_history_show_list_char = NULL;
 233 static char *panel_filename_scroll_left_char = NULL;
 234 static char *panel_filename_scroll_right_char = NULL;
 235 
 236 /* Panel that selection started */
 237 static WPanel *mouse_mark_panel = NULL;
 238 
 239 static gboolean mouse_marking = FALSE;
 240 static int state_mark = 0;
 241 
 242 static GString *string_file_name_buffer;
 243 
 244 /* --------------------------------------------------------------------------------------------- */
 245 /*** file scope functions ************************************************************************/
 246 /* --------------------------------------------------------------------------------------------- */
 247 
 248 static panelized_descr_t *
 249 panelized_descr_new (void)
     /*   */
 250 {
 251     panelized_descr_t *p;
 252 
 253     p = g_new0 (panelized_descr_t, 1);
 254     p->list.len = -1;
 255 
 256     return p;
 257 }
 258 
 259 /* --------------------------------------------------------------------------------------------- */
 260 
 261 static void
 262 panelized_descr_free (panelized_descr_t *p)
     /*   */
 263 {
 264     if (p != NULL)
 265     {
 266         dir_list_free_list (&p->list);
 267         vfs_path_free (p->root_vpath, TRUE);
 268         g_free (p);
 269     }
 270 }
 271 
 272 /* --------------------------------------------------------------------------------------------- */
 273 
 274 static void
 275 set_colors (const WPanel *panel)
     /*   */
 276 {
 277     (void) panel;
 278 
 279     tty_set_normal_attrs ();
 280     tty_setcolor (NORMAL_COLOR);
 281 }
 282 
 283 /* --------------------------------------------------------------------------------------------- */
 284 /** Delete format_item_t object */
 285 
 286 static void
 287 format_item_free (format_item_t *format)
     /*   */
 288 {
 289     g_free (format->title);
 290     g_free (format);
 291 }
 292 
 293 /* --------------------------------------------------------------------------------------------- */
 294 /** Extract the number of available lines in a panel */
 295 
 296 static int
 297 panel_lines (const WPanel *p)
     /*   */
 298 {
 299     // 3 lines are: top frame, column header, bottom frame
 300     return (CONST_WIDGET (p)->rect.lines - 3 - (panels_options.show_mini_info ? 2 : 0));
 301 }
 302 
 303 /* --------------------------------------------------------------------------------------------- */
 304 /** This code relies on the default justification!!! */
 305 
 306 static void
 307 add_permission_string (const char *dest, int width, file_entry_t *fe, file_attr_t attr, int color,
     /*   */
 308                        gboolean is_octal)
 309 {
 310     int i, r, l;
 311 
 312     l = get_user_permissions (&fe->st);
 313 
 314     if (is_octal)
 315     {
 316         // Place of the access bit in octal mode
 317         l = width + l - 3;
 318         r = l + 1;
 319     }
 320     else
 321     {
 322         // The same to the triplet in string mode
 323         l = l * 3 + 1;
 324         r = l + 3;
 325     }
 326 
 327     for (i = 0; i < width; i++)
 328     {
 329         if (i >= l && i < r)
 330         {
 331             if (attr == FATTR_CURRENT || attr == FATTR_MARKED_CURRENT)
 332                 tty_setcolor (MARKED_SELECTED_COLOR);
 333             else
 334                 tty_setcolor (MARKED_COLOR);
 335         }
 336         else if (color >= 0)
 337             tty_setcolor (color);
 338         else
 339             tty_lowlevel_setcolor (-color);
 340 
 341         tty_print_char (dest[i]);
 342     }
 343 }
 344 
 345 /* --------------------------------------------------------------------------------------------- */
 346 /** String representations of various file attributes name */
 347 
 348 static const char *
 349 string_file_name (const file_entry_t *fe, int len)
     /*   */
 350 {
 351     (void) len;
 352 
 353     mc_g_string_copy (string_file_name_buffer, fe->fname);
 354 
 355     return string_file_name_buffer->str;
 356 }
 357 
 358 /* --------------------------------------------------------------------------------------------- */
 359 
 360 static unsigned int
 361 ilog10 (dev_t n)
     /*   */
 362 {
 363     unsigned int digits = 0;
 364 
 365     do
 366     {
 367         digits++;
 368         n /= 10;
 369     }
 370     while (n != 0);
 371 
 372     return digits;
 373 }
 374 
 375 /* --------------------------------------------------------------------------------------------- */
 376 
 377 static void
 378 format_device_number (char *buf, size_t bufsize, dev_t dev)
     /*   */
 379 {
 380     dev_t major_dev, minor_dev;
 381     unsigned int major_digits, minor_digits;
 382 
 383     major_dev = major (dev);
 384     major_digits = ilog10 (major_dev);
 385 
 386     minor_dev = minor (dev);
 387     minor_digits = ilog10 (minor_dev);
 388 
 389     g_assert (bufsize >= 1);
 390 
 391     if (major_digits + 1 + minor_digits + 1 <= bufsize)
 392         g_snprintf (buf, bufsize, "%lu,%lu", (unsigned long) major_dev, (unsigned long) minor_dev);
 393     else
 394         g_strlcpy (buf, _ ("[dev]"), bufsize);
 395 }
 396 
 397 /* --------------------------------------------------------------------------------------------- */
 398 /** size */
 399 
 400 static const char *
 401 string_file_size (const file_entry_t *fe, int len)
     /*   */
 402 {
 403     static char buffer[BUF_TINY];
 404 
 405     // Don't ever show size of ".." since we don't calculate it
 406     if (DIR_IS_DOTDOT (fe->fname->str))
 407         return _ ("UP--DIR");
 408 
 409 #ifdef HAVE_STRUCT_STAT_ST_RDEV
 410     if (S_ISBLK (fe->st.st_mode) || S_ISCHR (fe->st.st_mode))
 411         format_device_number (buffer, len + 1, fe->st.st_rdev);
 412     else
 413 #endif
 414         size_trunc_len (buffer, (unsigned int) len, fe->st.st_size, 0, panels_options.kilobyte_si);
 415 
 416     return buffer;
 417 }
 418 
 419 /* --------------------------------------------------------------------------------------------- */
 420 /** bsize */
 421 
 422 static const char *
 423 string_file_size_brief (const file_entry_t *fe, int len)
     /*   */
 424 {
 425     if (S_ISLNK (fe->st.st_mode) && !link_isdir (fe))
 426         return _ ("SYMLINK");
 427 
 428     if ((S_ISDIR (fe->st.st_mode) || link_isdir (fe)) && !fe->f.dir_size_computed
 429         && !DIR_IS_DOTDOT (fe->fname->str))
 430         return _ ("SUB-DIR");
 431 
 432     return string_file_size (fe, len);
 433 }
 434 
 435 /* --------------------------------------------------------------------------------------------- */
 436 /** This functions return a string representation of a file entry type */
 437 
 438 static const char *
 439 string_file_type (const file_entry_t *fe, int len)
     /*   */
 440 {
 441     static char buffer[2];
 442 
 443     (void) len;
 444 
 445     if (S_ISDIR (fe->st.st_mode))
 446         buffer[0] = PATH_SEP;
 447     else if (S_ISLNK (fe->st.st_mode))
 448     {
 449         if (link_isdir (fe))
 450             buffer[0] = '~';
 451         else if (fe->f.stale_link != 0)
 452             buffer[0] = '!';
 453         else
 454             buffer[0] = '@';
 455     }
 456     else if (S_ISCHR (fe->st.st_mode))
 457         buffer[0] = '-';
 458     else if (S_ISSOCK (fe->st.st_mode))
 459         buffer[0] = '=';
 460     else if (S_ISDOOR (fe->st.st_mode))
 461         buffer[0] = '>';
 462     else if (S_ISBLK (fe->st.st_mode))
 463         buffer[0] = '+';
 464     else if (S_ISFIFO (fe->st.st_mode))
 465         buffer[0] = '|';
 466     else if (S_ISNAM (fe->st.st_mode))
 467         buffer[0] = '#';
 468     else if (!S_ISREG (fe->st.st_mode))
 469         buffer[0] = '?';  // non-regular of unknown kind
 470     else if (is_exe (fe->st.st_mode))
 471         buffer[0] = '*';
 472     else
 473         buffer[0] = ' ';
 474     buffer[1] = '\0';
 475     return buffer;
 476 }
 477 
 478 /* --------------------------------------------------------------------------------------------- */
 479 /** mtime */
 480 
 481 static const char *
 482 string_file_mtime (const file_entry_t *fe, int len)
     /*   */
 483 {
 484     (void) len;
 485 
 486     return file_date (fe->st.st_mtime);
 487 }
 488 
 489 /* --------------------------------------------------------------------------------------------- */
 490 /** atime */
 491 
 492 static const char *
 493 string_file_atime (const file_entry_t *fe, int len)
     /*   */
 494 {
 495     (void) len;
 496 
 497     return file_date (fe->st.st_atime);
 498 }
 499 
 500 /* --------------------------------------------------------------------------------------------- */
 501 /** ctime */
 502 
 503 static const char *
 504 string_file_ctime (const file_entry_t *fe, int len)
     /*   */
 505 {
 506     (void) len;
 507 
 508     return file_date (fe->st.st_ctime);
 509 }
 510 
 511 /* --------------------------------------------------------------------------------------------- */
 512 /** perm */
 513 
 514 static const char *
 515 string_file_permission (const file_entry_t *fe, int len)
     /*   */
 516 {
 517     (void) len;
 518 
 519     return string_perm (fe->st.st_mode);
 520 }
 521 
 522 /* --------------------------------------------------------------------------------------------- */
 523 /** mode */
 524 
 525 static const char *
 526 string_file_perm_octal (const file_entry_t *fe, int len)
     /*   */
 527 {
 528     static char buffer[10];
 529 
 530     (void) len;
 531 
 532     g_snprintf (buffer, sizeof (buffer), "0%06lo", (unsigned long) fe->st.st_mode);
 533     return buffer;
 534 }
 535 
 536 /* --------------------------------------------------------------------------------------------- */
 537 /** nlink */
 538 
 539 static const char *
 540 string_file_nlinks (const file_entry_t *fe, int len)
     /*   */
 541 {
 542     static char buffer[BUF_TINY];
 543 
 544     (void) len;
 545 
 546     g_snprintf (buffer, sizeof (buffer), "%16d", (int) fe->st.st_nlink);
 547     return buffer;
 548 }
 549 
 550 /* --------------------------------------------------------------------------------------------- */
 551 /** inode */
 552 
 553 static const char *
 554 string_inode (const file_entry_t *fe, int len)
     /*   */
 555 {
 556     static char buffer[10];
 557 
 558     (void) len;
 559 
 560     g_snprintf (buffer, sizeof (buffer), "%lu", (unsigned long) fe->st.st_ino);
 561     return buffer;
 562 }
 563 
 564 /* --------------------------------------------------------------------------------------------- */
 565 /** nuid */
 566 
 567 static const char *
 568 string_file_nuid (const file_entry_t *fe, int len)
     /*   */
 569 {
 570     static char buffer[10];
 571 
 572     (void) len;
 573 
 574     g_snprintf (buffer, sizeof (buffer), "%lu", (unsigned long) fe->st.st_uid);
 575     return buffer;
 576 }
 577 
 578 /* --------------------------------------------------------------------------------------------- */
 579 /** ngid */
 580 
 581 static const char *
 582 string_file_ngid (const file_entry_t *fe, int len)
     /*   */
 583 {
 584     static char buffer[10];
 585 
 586     (void) len;
 587 
 588     g_snprintf (buffer, sizeof (buffer), "%lu", (unsigned long) fe->st.st_gid);
 589     return buffer;
 590 }
 591 
 592 /* --------------------------------------------------------------------------------------------- */
 593 /** owner */
 594 
 595 static const char *
 596 string_file_owner (const file_entry_t *fe, int len)
     /*   */
 597 {
 598     (void) len;
 599 
 600     return get_owner (fe->st.st_uid);
 601 }
 602 
 603 /* --------------------------------------------------------------------------------------------- */
 604 /** group */
 605 
 606 static const char *
 607 string_file_group (const file_entry_t *fe, int len)
     /*   */
 608 {
 609     (void) len;
 610 
 611     return get_group (fe->st.st_gid);
 612 }
 613 
 614 /* --------------------------------------------------------------------------------------------- */
 615 /** mark */
 616 
 617 static const char *
 618 string_marked (const file_entry_t *fe, int len)
     /*   */
 619 {
 620     (void) len;
 621 
 622     return fe->f.marked != 0 ? "*" : " ";
 623 }
 624 
 625 /* --------------------------------------------------------------------------------------------- */
 626 /** space */
 627 
 628 static const char *
 629 string_space (const file_entry_t *fe, int len)
     /*   */
 630 {
 631     (void) fe;
 632     (void) len;
 633 
 634     return " ";
 635 }
 636 
 637 /* --------------------------------------------------------------------------------------------- */
 638 /** dot */
 639 
 640 static const char *
 641 string_dot (const file_entry_t *fe, int len)
     /*   */
 642 {
 643     (void) fe;
 644     (void) len;
 645 
 646     return ".";
 647 }
 648 
 649 /* --------------------------------------------------------------------------------------------- */
 650 
 651 static int
 652 file_compute_color (const file_attr_t attr, file_entry_t *fe)
     /*   */
 653 {
 654     switch (attr)
 655     {
 656     case FATTR_CURRENT:
 657         return (SELECTED_COLOR);
 658     case FATTR_MARKED:
 659         return (MARKED_COLOR);
 660     case FATTR_MARKED_CURRENT:
 661         return (MARKED_SELECTED_COLOR);
 662     case FATTR_STATUS:
 663         return (NORMAL_COLOR);
 664     case FATTR_NORMAL:
 665     default:
 666         if (!panels_options.filetype_mode)
 667             return (NORMAL_COLOR);
 668     }
 669 
 670     return mc_fhl_get_color (mc_filehighlight, fe);
 671 }
 672 
 673 /* --------------------------------------------------------------------------------------------- */
 674 /** Returns the number of items in the given panel */
 675 
 676 static int
 677 panel_items (const WPanel *p)
     /*   */
 678 {
 679     return panel_lines (p) * p->list_cols;
 680 }
 681 
 682 /* --------------------------------------------------------------------------------------------- */
 683 /** Formats the file number file_index of panel in the buffer dest */
 684 
 685 static filename_scroll_flag_t
 686 format_file (WPanel *panel, int file_index, int width, file_attr_t attr, gboolean isstatus,
     /*   */
 687              int *field_length)
 688 {
 689     int color = NORMAL_COLOR;
 690     int length = 0;
 691     GSList *format, *home;
 692     file_entry_t *fe = NULL;
 693     filename_scroll_flag_t res = FILENAME_NOSCROLL;
 694 
 695     *field_length = 0;
 696 
 697     if (panel->dir.len != 0 && file_index < panel->dir.len)
 698     {
 699         fe = &panel->dir.list[file_index];
 700         color = file_compute_color (attr, fe);
 701     }
 702 
 703     home = isstatus ? panel->status_format : panel->format;
 704 
 705     for (format = home; format != NULL && length != width; format = g_slist_next (format))
 706     {
 707         format_item_t *fi = (format_item_t *) format->data;
 708 
 709         if (fi->string_fn != NULL)
 710         {
 711             const char *txt = " ";
 712             int len, perm = 0;
 713             const char *prepared_text;
 714             int name_offset = 0;
 715 
 716             if (fe != NULL)
 717                 txt = fi->string_fn (fe, fi->field_len);
 718 
 719             len = fi->field_len;
 720             if (len + length > width)
 721                 len = width - length;
 722             if (len <= 0)
 723                 break;
 724 
 725             if (!isstatus && strcmp (fi->id, "name") == 0)
 726             {
 727                 const int str_len = str_length (txt);
 728                 const unsigned int len_diff = (unsigned int) DOZ (str_len, len);
 729 
 730                 *field_length = len + 1;
 731 
 732                 panel->max_shift = MAX (panel->max_shift, len_diff);
 733 
 734                 if (len_diff != 0)
 735                 {
 736                     const unsigned int shift = MIN (panel->content_shift, len_diff);
 737 
 738                     if (shift != 0)
 739                         res |= FILENAME_SCROLL_LEFT;
 740 
 741                     name_offset = str_offset_to_pos (txt, shift);
 742                     if (str_length (txt + name_offset) > len)
 743                         res |= FILENAME_SCROLL_RIGHT;
 744                 }
 745             }
 746 
 747             if (panels_options.permission_mode)
 748             {
 749                 if (strcmp (fi->id, "perm") == 0)
 750                     perm = 1;
 751                 else if (strcmp (fi->id, "mode") == 0)
 752                     perm = 2;
 753             }
 754 
 755             if (color >= 0)
 756                 tty_setcolor (color);
 757             else
 758                 tty_lowlevel_setcolor (-color);
 759 
 760             if (!isstatus)
 761                 prepared_text = str_fit_to_term (txt + name_offset, len, HIDE_FIT (fi->just_mode));
 762             else
 763                 prepared_text = str_fit_to_term (txt, len, fi->just_mode);
 764 
 765             if (perm != 0 && fe != NULL)
 766                 add_permission_string (prepared_text, fi->field_len, fe, attr, color, perm != 1);
 767             else
 768                 tty_print_string (prepared_text);
 769 
 770             length += len;
 771         }
 772         else
 773         {
 774             if (attr == FATTR_CURRENT || attr == FATTR_MARKED_CURRENT)
 775                 tty_setcolor (SELECTED_COLOR);
 776             else
 777                 tty_setcolor (NORMAL_COLOR);
 778             tty_print_one_vline (TRUE);
 779             length++;
 780         }
 781     }
 782 
 783     if (length < width)
 784     {
 785         int y, x;
 786 
 787         tty_getyx (&y, &x);
 788         tty_draw_hline (y, x, ' ', width - length);
 789     }
 790 
 791     return res;
 792 }
 793 
 794 /* --------------------------------------------------------------------------------------------- */
 795 
 796 static void
 797 repaint_file (WPanel *panel, int file_index, file_attr_t attr)
     /*   */
 798 {
 799     Widget *w = WIDGET (panel);
 800 
 801     int nth_column = 0;
 802     int width;
 803     int offset = 0;
 804     filename_scroll_flag_t ret_frm;
 805     int ypos = 0;
 806     gboolean panel_is_split;
 807     int fln = 0;
 808 
 809     panel_is_split = panel->list_cols > 1;
 810     width = w->rect.cols - 2;
 811 
 812     if (panel_is_split)
 813     {
 814         nth_column = (file_index - panel->top) / panel_lines (panel);
 815         width /= panel->list_cols;
 816 
 817         offset = width * nth_column;
 818 
 819         if (nth_column + 1 >= panel->list_cols)
 820             width = w->rect.cols - offset - 2;
 821     }
 822 
 823     // Nothing to paint
 824     if (width <= 0)
 825         return;
 826 
 827     ypos = file_index - panel->top;
 828 
 829     if (panel_is_split)
 830         ypos %= panel_lines (panel);
 831 
 832     ypos += 2;  // top frame and header
 833     widget_gotoyx (w, ypos, offset + 1);
 834 
 835     ret_frm = format_file (panel, file_index, width, attr, FALSE, &fln);
 836 
 837     if (panel_is_split && nth_column + 1 < panel->list_cols)
 838     {
 839         tty_setcolor (NORMAL_COLOR);
 840         tty_print_one_vline (TRUE);
 841     }
 842 
 843     if (ret_frm != FILENAME_NOSCROLL)
 844     {
 845         if (!panel_is_split && fln > 0)
 846         {
 847             if (panel->list_format != list_long)
 848                 width = fln;
 849             else
 850             {
 851                 offset = width - fln + 1;
 852                 width = fln - 1;
 853             }
 854         }
 855 
 856         const int file_color =
 857             attr == FATTR_CURRENT || attr == FATTR_MARKED_CURRENT ? SELECTED_COLOR : NORMAL_COLOR;
 858 
 859         if ((ret_frm & FILENAME_SCROLL_LEFT) != 0)
 860         {
 861             const int scroll_left_char_color =
 862                 panel->list_format == list_long ? file_color : NORMAL_COLOR;
 863 
 864             widget_gotoyx (w, ypos, offset);
 865             tty_setcolor (scroll_left_char_color);
 866             tty_print_string (panel_filename_scroll_left_char);
 867         }
 868 
 869         if ((ret_frm & FILENAME_SCROLL_RIGHT) != 0)
 870         {
 871             offset += width;
 872             if (nth_column + 1 >= panel->list_cols)
 873                 offset++;
 874 
 875             const int scroll_right_char_color =
 876                 panel->list_format != list_long && g_slist_length (panel->format) > 2
 877                 ? file_color
 878                 : NORMAL_COLOR;
 879 
 880             widget_gotoyx (w, ypos, offset);
 881             tty_setcolor (scroll_right_char_color);
 882             tty_print_string (panel_filename_scroll_right_char);
 883         }
 884     }
 885 }
 886 
 887 /* --------------------------------------------------------------------------------------------- */
 888 
 889 static void
 890 repaint_status (WPanel *panel)
     /*   */
 891 {
 892     int width;
 893 
 894     width = WIDGET (panel)->rect.cols - 2;
 895     if (width > 0)
 896     {
 897         int fln = 0;
 898 
 899         (void) format_file (panel, panel->current, width, FATTR_STATUS, TRUE, &fln);
 900     }
 901 }
 902 
 903 /* --------------------------------------------------------------------------------------------- */
 904 
 905 static void
 906 display_mini_info (WPanel *panel)
     /*   */
 907 {
 908     Widget *w = WIDGET (panel);
 909     const file_entry_t *fe;
 910 
 911     if (!panels_options.show_mini_info)
 912         return;
 913 
 914     widget_gotoyx (w, panel_lines (panel) + 3, 1);
 915 
 916     if (panel->quick_search.active)
 917     {
 918         tty_setcolor (INPUT_COLOR);
 919         tty_print_char ('/');
 920         tty_print_string (
 921             str_fit_to_term (panel->quick_search.buffer->str, w->rect.cols - 3, J_LEFT));
 922         return;
 923     }
 924 
 925     // Status resolves links and show them
 926     set_colors (panel);
 927 
 928     fe = panel_current_entry (panel);
 929 
 930     if (fe == NULL)
 931         // NULL is in case of filter that doesn't match anything
 932         repaint_status (panel);
 933     else if (S_ISLNK (fe->st.st_mode))
 934     {
 935         char link_target[MC_MAXPATHLEN];
 936         vfs_path_t *lc_link_vpath;
 937         int len;
 938 
 939         lc_link_vpath = vfs_path_append_new (panel->cwd_vpath, fe->fname->str, (char *) NULL);
 940         len = mc_readlink (lc_link_vpath, link_target, MC_MAXPATHLEN - 1);
 941         vfs_path_free (lc_link_vpath, TRUE);
 942         if (len > 0)
 943         {
 944             link_target[len] = 0;
 945             tty_print_string ("-> ");
 946             tty_print_string (str_fit_to_term (link_target, w->rect.cols - 5, J_LEFT_FIT));
 947         }
 948         else
 949             tty_print_string (str_fit_to_term (_ ("<readlink failed>"), w->rect.cols - 2, J_LEFT));
 950     }
 951     else if (DIR_IS_DOTDOT (fe->fname->str))
 952     {
 953         /* FIXME:
 954          * while loading directory (dir_list_load() and dir_list_reload()),
 955          * the actual stat info about ".." directory isn't got;
 956          * so just don't display incorrect info about ".." directory */
 957         tty_print_string (str_fit_to_term (_ ("UP--DIR"), w->rect.cols - 2, J_LEFT));
 958     }
 959     else
 960         // Default behavior
 961         repaint_status (panel);
 962 }
 963 
 964 /* --------------------------------------------------------------------------------------------- */
 965 
 966 static void
 967 paint_dir (WPanel *panel)
     /*   */
 968 {
 969     int i;
 970     int items;  // Number of items
 971 
 972     items = panel_items (panel);
 973     // reset max len of filename because we have the new max length for the new file list
 974     panel->max_shift = 0;
 975 
 976     for (i = 0; i < items; i++)
 977     {
 978         file_attr_t attr = FATTR_NORMAL;  // Color value of the line
 979         int n;
 980         gboolean marked;
 981 
 982         n = i + panel->top;
 983         marked = (panel->dir.list[n].f.marked != 0);
 984 
 985         if (n < panel->dir.len)
 986         {
 987             if (panel->current == n && panel->active)
 988                 attr = marked ? FATTR_MARKED_CURRENT : FATTR_CURRENT;
 989             else if (marked)
 990                 attr = FATTR_MARKED;
 991         }
 992 
 993         repaint_file (panel, n, attr);
 994     }
 995 
 996     tty_set_normal_attrs ();
 997 }
 998 
 999 /* --------------------------------------------------------------------------------------------- */
1000 
1001 static void
1002 display_total_marked_size (const WPanel *panel, int y, int x, gboolean size_only)
     /*   */
1003 {
1004     const Widget *w = CONST_WIDGET (panel);
1005 
1006     char buffer[BUF_SMALL], b_bytes[BUF_SMALL];
1007     const char *buf;
1008     int cols;
1009 
1010     if (panel->marked <= 0)
1011         return;
1012 
1013     buf = size_only ? b_bytes : buffer;
1014     cols = w->rect.cols - 2;
1015 
1016     g_strlcpy (b_bytes, size_trunc_sep (panel->total, panels_options.kilobyte_si),
1017                sizeof (b_bytes));
1018 
1019     if (!size_only)
1020         g_snprintf (buffer, sizeof (buffer),
1021                     ngettext ("%s in %d file", "%s in %d files", panel->marked), b_bytes,
1022                     panel->marked);
1023 
1024     // don't forget spaces around buffer content
1025     buf = str_trunc (buf, cols - 4);
1026 
1027     if (x < 0)
1028         // center in panel
1029         x = (w->rect.cols - str_term_width1 (buf)) / 2 - 1;
1030 
1031     /*
1032      * y == panel_lines (panel) + 2  for mini_info_separator
1033      * y == w->lines - 1             for panel bottom frame
1034      */
1035     widget_gotoyx (w, y, x);
1036     tty_setcolor (MARKED_COLOR);
1037     tty_printf (" %s ", buf);
1038 }
1039 
1040 /* --------------------------------------------------------------------------------------------- */
1041 
1042 static void
1043 mini_info_separator (const WPanel *panel)
     /*   */
1044 {
1045     if (panels_options.show_mini_info)
1046     {
1047         const Widget *w = CONST_WIDGET (panel);
1048         int y;
1049 
1050         y = panel_lines (panel) + 2;
1051 
1052         tty_setcolor (NORMAL_COLOR);
1053         tty_draw_hline (w->rect.y + y, w->rect.x + 1, ACS_HLINE, w->rect.cols - 2);
1054         /* Status displays total marked size.
1055          * Centered in panel, full format. */
1056         display_total_marked_size (panel, y, -1, FALSE);
1057     }
1058 }
1059 
1060 /* --------------------------------------------------------------------------------------------- */
1061 
1062 static void
1063 show_free_space (const WPanel *panel)
     /*   */
1064 {
1065     // Used to figure out how many free space we have
1066     static struct my_statfs myfs_stats;
1067     // Old current working directory for displaying free space
1068     static char *old_cwd = NULL;
1069 
1070     // Don't try to stat non-local fs
1071     if (!vfs_file_is_local (panel->cwd_vpath) || !free_space)
1072         return;
1073 
1074     if (old_cwd == NULL || strcmp (old_cwd, vfs_path_as_str (panel->cwd_vpath)) != 0)
1075     {
1076         char rpath[PATH_MAX];
1077 
1078         init_my_statfs ();
1079         g_free (old_cwd);
1080         old_cwd = g_strdup (vfs_path_as_str (panel->cwd_vpath));
1081 
1082         if (mc_realpath (old_cwd, rpath) == NULL)
1083             return;
1084 
1085         my_statfs (&myfs_stats, rpath);
1086     }
1087 
1088     if (myfs_stats.avail != 0 || myfs_stats.total != 0)
1089     {
1090         const Widget *w = CONST_WIDGET (panel);
1091         char buffer1[6], buffer2[6], tmp[BUF_SMALL];
1092 
1093         size_trunc_len (buffer1, sizeof (buffer1) - 1, myfs_stats.avail, 1,
1094                         panels_options.kilobyte_si);
1095         size_trunc_len (buffer2, sizeof (buffer2) - 1, myfs_stats.total, 1,
1096                         panels_options.kilobyte_si);
1097         g_snprintf (tmp, sizeof (tmp), " %s / %s (%d%%) ", buffer1, buffer2,
1098                     myfs_stats.total == 0
1099                         ? 0
1100                         : (int) (100 * (long double) myfs_stats.avail / myfs_stats.total));
1101         widget_gotoyx (w, w->rect.lines - 1, w->rect.cols - 2 - (int) strlen (tmp));
1102         tty_setcolor (NORMAL_COLOR);
1103         tty_print_string (tmp);
1104     }
1105 }
1106 
1107 /* --------------------------------------------------------------------------------------------- */
1108 /**
1109  * Prepare path string for showing in panel's header.
1110  * Passwords will removed, also home dir will replaced by ~
1111  *
1112  * @param panel WPanel object
1113  *
1114  * @return newly allocated string.
1115  */
1116 
1117 static char *
1118 panel_correct_path_to_show (const WPanel *panel)
     /*   */
1119 {
1120     vfs_path_t *last_vpath;
1121     const vfs_path_element_t *path_element;
1122     char *return_path;
1123     int elements_count;
1124 
1125     elements_count = vfs_path_elements_count (panel->cwd_vpath);
1126 
1127     // get last path element
1128     path_element = vfs_path_element_clone (vfs_path_get_by_index (panel->cwd_vpath, -1));
1129 
1130     if (elements_count > 1
1131         && (strcmp (path_element->class->name, "cpiofs") == 0
1132             || strcmp (path_element->class->name, "extfs") == 0
1133             || strcmp (path_element->class->name, "tarfs") == 0))
1134     {
1135         const char *archive_name;
1136         const vfs_path_element_t *prev_path_element;
1137 
1138         // get previous path element for catching archive name
1139         prev_path_element = vfs_path_get_by_index (panel->cwd_vpath, -2);
1140         archive_name = strrchr (prev_path_element->path, PATH_SEP);
1141         if (archive_name != NULL)
1142             last_vpath = vfs_path_from_str_flags (archive_name + 1, VPF_NO_CANON);
1143         else
1144         {
1145             last_vpath = vfs_path_from_str_flags (prev_path_element->path, VPF_NO_CANON);
1146             last_vpath->relative = TRUE;
1147         }
1148     }
1149     else
1150         last_vpath = vfs_path_new (TRUE);
1151 
1152     vfs_path_add_element (last_vpath, path_element);
1153     return_path = vfs_path_to_str_flags (last_vpath, 0,
1154                                          VPF_STRIP_HOME | VPF_STRIP_PASSWORD | VPF_HIDE_CHARSET);
1155     vfs_path_free (last_vpath, TRUE);
1156 
1157     return return_path;
1158 }
1159 
1160 /* --------------------------------------------------------------------------------------------- */
1161 /**
1162  * Get Current path element encoding
1163  *
1164  * @param panel WPanel object
1165  *
1166  * @return newly allocated string or NULL if path charset is same as system charset
1167  */
1168 
1169 static char *
1170 panel_get_encoding_info_str (const WPanel *panel)
     /*   */
1171 {
1172     char *ret_str = NULL;
1173     const vfs_path_element_t *path_element;
1174 
1175     path_element = vfs_path_get_by_index (panel->cwd_vpath, -1);
1176     if (path_element->encoding != NULL)
1177         ret_str = g_strdup_printf ("[%s]", path_element->encoding);
1178 
1179     return ret_str;
1180 }
1181 
1182 /* --------------------------------------------------------------------------------------------- */
1183 
1184 static void
1185 show_dir (const WPanel *panel)
     /*   */
1186 {
1187     const Widget *w = CONST_WIDGET (panel);
1188     gchar *tmp;
1189 
1190     set_colors (panel);
1191     tty_draw_box (w->rect.y, w->rect.x, w->rect.lines, w->rect.cols, FALSE);
1192 
1193     if (panels_options.show_mini_info)
1194     {
1195         int y;
1196 
1197         y = panel_lines (panel) + 2;
1198 
1199         widget_gotoyx (w, y, 0);
1200         tty_print_alt_char (ACS_LTEE, FALSE);
1201         widget_gotoyx (w, y, w->rect.cols - 1);
1202         tty_print_alt_char (ACS_RTEE, FALSE);
1203     }
1204 
1205     widget_gotoyx (w, 0, 1);
1206     tty_print_string (panel_history_prev_item_char);
1207 
1208     tmp = panels_options.show_dot_files ? panel_hiddenfiles_show_char : panel_hiddenfiles_hide_char;
1209     tmp = g_strdup_printf ("%s[%s]%s", tmp, panel_history_show_list_char,
1210                            panel_history_next_item_char);
1211 
1212     widget_gotoyx (w, 0, w->rect.cols - 6);
1213     tty_print_string (tmp);
1214 
1215     g_free (tmp);
1216 
1217     widget_gotoyx (w, 0, 3);
1218 
1219     if (panel->is_panelized)
1220         tty_printf (" %s ", _ ("Panelize"));
1221     else
1222     {
1223         tmp = panel_get_encoding_info_str (panel);
1224         if (tmp != NULL)
1225         {
1226             tty_printf ("%s", tmp);
1227             widget_gotoyx (w, 0, 3 + strlen (tmp));
1228             g_free (tmp);
1229         }
1230     }
1231 
1232     if (panel->active)
1233         tty_setcolor (REVERSE_COLOR);
1234 
1235     tmp = panel_correct_path_to_show (panel);
1236     tty_printf (" %s ", str_term_trim (tmp, MIN (MAX (w->rect.cols - 12, 0), w->rect.cols)));
1237     g_free (tmp);
1238 
1239     if (!panels_options.show_mini_info)
1240     {
1241         if (panel->marked == 0)
1242         {
1243             const file_entry_t *fe;
1244 
1245             fe = panel_current_entry (panel);
1246 
1247             // Show size of current file in the bottom of panel
1248             if (fe != NULL && S_ISREG (fe->st.st_mode))
1249             {
1250                 char buffer[BUF_SMALL];
1251 
1252                 g_snprintf (buffer, sizeof (buffer), " %s ",
1253                             size_trunc_sep (fe->st.st_size, panels_options.kilobyte_si));
1254                 tty_setcolor (NORMAL_COLOR);
1255                 widget_gotoyx (w, w->rect.lines - 1, 4);
1256                 tty_print_string (buffer);
1257             }
1258         }
1259         else
1260         {
1261             /* Show total size of marked files
1262              * In the bottom of panel, display size only. */
1263             display_total_marked_size (panel, w->rect.lines - 1, 2, TRUE);
1264         }
1265     }
1266 
1267     show_free_space (panel);
1268 
1269     if (panel->active)
1270         tty_set_normal_attrs ();
1271 }
1272 
1273 /* --------------------------------------------------------------------------------------------- */
1274 
1275 static void
1276 adjust_top_file (WPanel *panel)
     /*   */
1277 {
1278     int items;
1279 
1280     items = panel_items (panel);
1281 
1282     if (panel->dir.len <= items || panel->current < 0)
1283     {
1284         // If all files fit, show them all.
1285         // panel->current < 0 is in case of filter that doesn't match anything, keep it.
1286         panel->top = 0;
1287     }
1288     else
1289     {
1290         int i;
1291 
1292         // Update panel->current to avoid out of range in panel->dir.list[panel->current].
1293         panel->current = CLAMP (panel->current, 0, panel->dir.len - 1);
1294 
1295         /* top_file has to be in the range [current-items+1, current] so that
1296            the current file is visible.
1297            top_file should be in the range [0, count-items] so that there's
1298            no empty space wasted.
1299            Within these ranges, adjust it by as little as possible. */
1300 
1301         if (panel->top < 0)
1302             panel->top = 0;
1303 
1304         i = panel->current - items + 1;
1305         if (panel->top < i)
1306             panel->top = i;
1307 
1308         i = panel->dir.len - items;
1309         if (panel->top > i)
1310             panel->top = i;
1311 
1312         if (panel->top > panel->current)
1313             panel->top = panel->current;
1314     }
1315 }
1316 
1317 /* --------------------------------------------------------------------------------------------- */
1318 /** add "#enc:encoding" to end of path */
1319 /* if path ends width a previous #enc:, only encoding is changed no additional
1320  * #enc: is appended
1321  * return new string
1322  */
1323 
1324 static char *
1325 panel_save_name (WPanel *panel)
     /*   */
1326 {
1327     // If the program is shutting down
1328     if ((mc_global.midnight_shutdown && auto_save_setup) || saving_setup)
1329         return g_strdup (panel->name);
1330 
1331     return g_strconcat ("Temporal:", panel->name, (char *) NULL);
1332 }
1333 
1334 /* --------------------------------------------------------------------------------------------- */
1335 
1336 static void
1337 directory_history_add (WPanel *panel, const vfs_path_t *vpath)
     /*   */
1338 {
1339     char *tmp;
1340 
1341     tmp = vfs_path_to_str_flags (vpath, 0, VPF_STRIP_PASSWORD);
1342     panel->dir_history.list = list_append_unique (panel->dir_history.list, tmp);
1343     panel->dir_history.current = panel->dir_history.list;
1344 }
1345 
1346 /* --------------------------------------------------------------------------------------------- */
1347 
1348 /* "history_load" event handler */
1349 static gboolean
1350 panel_load_history (const gchar *event_group_name, const gchar *event_name, gpointer init_data,
     /*   */
1351                     gpointer data)
1352 {
1353     WPanel *p = PANEL (init_data);
1354     ev_history_load_save_t *ev = (ev_history_load_save_t *) data;
1355 
1356     (void) event_group_name;
1357     (void) event_name;
1358 
1359     if (ev->receiver == NULL || ev->receiver == WIDGET (p))
1360     {
1361         if (ev->cfg != NULL)
1362             p->dir_history.list = mc_config_history_load (ev->cfg, p->dir_history.name);
1363         else
1364             p->dir_history.list = mc_config_history_get (p->dir_history.name);
1365 
1366         directory_history_add (p, p->cwd_vpath);
1367     }
1368 
1369     return TRUE;
1370 }
1371 
1372 /* --------------------------------------------------------------------------------------------- */
1373 
1374 /* "history_save" event handler */
1375 static gboolean
1376 panel_save_history (const gchar *event_group_name, const gchar *event_name, gpointer init_data,
     /*   */
1377                     gpointer data)
1378 {
1379     WPanel *p = PANEL (init_data);
1380 
1381     (void) event_group_name;
1382     (void) event_name;
1383 
1384     if (p->dir_history.list != NULL)
1385     {
1386         ev_history_load_save_t *ev = (ev_history_load_save_t *) data;
1387 
1388         mc_config_history_save (ev->cfg, p->dir_history.name, p->dir_history.list);
1389     }
1390 
1391     return TRUE;
1392 }
1393 
1394 /* --------------------------------------------------------------------------------------------- */
1395 
1396 static void
1397 panel_destroy (WPanel *p)
     /*   */
1398 {
1399     size_t i;
1400 
1401     if (panels_options.auto_save_setup)
1402     {
1403         char *name;
1404 
1405         name = panel_save_name (p);
1406         panel_save_setup (p, name);
1407         g_free (name);
1408     }
1409 
1410     panel_clean_dir (p);
1411 
1412     // clean history
1413     if (p->dir_history.list != NULL)
1414     {
1415         // directory history is already saved before this moment
1416         p->dir_history.list = g_list_first (p->dir_history.list);
1417         g_list_free_full (p->dir_history.list, g_free);
1418     }
1419     g_free (p->dir_history.name);
1420 
1421     file_filter_clear (&p->filter);
1422 
1423     g_slist_free_full (p->format, (GDestroyNotify) format_item_free);
1424     g_slist_free_full (p->status_format, (GDestroyNotify) format_item_free);
1425 
1426     g_free (p->user_format);
1427     for (i = 0; i < LIST_FORMATS; i++)
1428         g_free (p->user_status_format[i]);
1429 
1430     g_free (p->name);
1431 
1432     panelized_descr_free (p->panelized_descr);
1433 
1434     g_string_free (p->quick_search.buffer, TRUE);
1435     g_string_free (p->quick_search.prev_buffer, TRUE);
1436 
1437     vfs_path_free (p->lwd_vpath, TRUE);
1438     vfs_path_free (p->cwd_vpath, TRUE);
1439 }
1440 
1441 /* --------------------------------------------------------------------------------------------- */
1442 
1443 static void
1444 panel_paint_sort_info (const WPanel *panel)
     /*   */
1445 {
1446     if (*panel->sort_field->hotkey != '\0')
1447     {
1448         char str[BUF_TINY];
1449 
1450         if (panel->sort_info.reverse)
1451         {
1452             g_snprintf (str, sizeof (str), "%s%s", panel_sort_up_char,
1453                         Q_ (panel->sort_field->hotkey));
1454             panel_sort_up_indicator_width = str_term_width1 (str);
1455         }
1456         else
1457         {
1458             g_snprintf (str, sizeof (str), "%s%s", panel_sort_down_char,
1459                         Q_ (panel->sort_field->hotkey));
1460             panel_sort_down_indicator_width = str_term_width1 (str);
1461         }
1462         widget_gotoyx (panel, 1, 1);
1463         tty_print_string (str);
1464     }
1465 }
1466 
1467 /* --------------------------------------------------------------------------------------------- */
1468 
1469 static const char *
1470 panel_get_title_without_hotkey (const char *title)
     /*   */
1471 {
1472     static char translated_title[BUF_TINY];
1473 
1474     if (title == NULL || title[0] == '\0')
1475         translated_title[0] = '\0';
1476     else
1477     {
1478         char *hkey;
1479 
1480         g_snprintf (translated_title, sizeof (translated_title), "%s", _ (title));
1481 
1482         hkey = strchr (translated_title, '&');
1483         if (hkey != NULL && hkey[1] != '\0')
1484             memmove (hkey, hkey + 1, strlen (hkey));
1485     }
1486 
1487     return translated_title;
1488 }
1489 
1490 /* --------------------------------------------------------------------------------------------- */
1491 
1492 static void
1493 panel_print_header (const WPanel *panel)
     /*   */
1494 {
1495     const Widget *w = CONST_WIDGET (panel);
1496 
1497     int y, x;
1498     int i;
1499     GString *format_txt;
1500 
1501     widget_gotoyx (w, 1, 1);
1502     tty_getyx (&y, &x);
1503     tty_setcolor (NORMAL_COLOR);
1504     tty_draw_hline (y, x, ' ', w->rect.cols - 2);
1505 
1506     format_txt = g_string_new ("");
1507 
1508     for (i = 0; i < panel->list_cols; i++)
1509     {
1510         GSList *format;
1511 
1512         for (format = panel->format; format != NULL; format = g_slist_next (format))
1513         {
1514             format_item_t *fi = (format_item_t *) format->data;
1515 
1516             if (fi->string_fn != NULL)
1517             {
1518                 g_string_set_size (format_txt, 0);
1519 
1520                 if (panel->list_format == list_long && strcmp (fi->id, panel->sort_field->id) == 0)
1521                     g_string_append (format_txt,
1522                                      panel->sort_info.reverse ? panel_sort_up_char
1523                                                               : panel_sort_down_char);
1524 
1525                 g_string_append (format_txt, fi->title);
1526 
1527                 if (panel->filter.handler != NULL && strcmp (fi->id, "name") == 0)
1528                 {
1529                     g_string_append (format_txt, " [");
1530                     g_string_append (format_txt, panel->filter.value);
1531                     g_string_append (format_txt, "]");
1532                 }
1533 
1534                 tty_setcolor (HEADER_COLOR);
1535                 tty_print_string (str_fit_to_term (format_txt->str, fi->field_len, J_CENTER_LEFT));
1536             }
1537             else
1538             {
1539                 tty_setcolor (NORMAL_COLOR);
1540                 tty_print_one_vline (TRUE);
1541             }
1542         }
1543 
1544         if (i < panel->list_cols - 1)
1545         {
1546             tty_setcolor (NORMAL_COLOR);
1547             tty_print_one_vline (TRUE);
1548         }
1549     }
1550 
1551     g_string_free (format_txt, TRUE);
1552 
1553     if (panel->list_format != list_long)
1554         panel_paint_sort_info (panel);
1555 }
1556 
1557 /* --------------------------------------------------------------------------------------------- */
1558 
1559 static const char *
1560 parse_panel_size (WPanel *panel, const char *format, gboolean isstatus)
     /*   */
1561 {
1562     panel_display_t frame = frame_half;
1563 
1564     format = skip_separators (format);
1565 
1566     if (strncmp (format, "full", 4) == 0)
1567     {
1568         frame = frame_full;
1569         format += 4;
1570     }
1571     else if (strncmp (format, "half", 4) == 0)
1572     {
1573         frame = frame_half;
1574         format += 4;
1575     }
1576 
1577     if (!isstatus)
1578     {
1579         panel->frame_size = frame;
1580         panel->list_cols = 1;
1581     }
1582 
1583     // Now, the optional column specifier
1584     format = skip_separators (format);
1585 
1586     if (g_ascii_isdigit (*format))
1587     {
1588         if (!isstatus)
1589         {
1590             panel->list_cols = g_ascii_digit_value (*format);
1591             if (panel->list_cols < 1)
1592                 panel->list_cols = 1;
1593         }
1594 
1595         format++;
1596     }
1597 
1598     if (!isstatus)
1599         panel_update_cols (WIDGET (panel), panel->frame_size);
1600 
1601     return skip_separators (format);
1602 }
1603 
1604 /* --------------------------------------------------------------------------------------------- */
1605 
1606 /* Format is:
1607 
1608    all              := panel_format? format
1609    panel_format     := [full|half] [1-9]
1610    format           := one_format_item_t
1611                      | format , one_format_item_t
1612 
1613    one_format_item_t := just format.id [opt_size]
1614    just              := [<=>]
1615    opt_size          := : size [opt_expand]
1616    size              := [0-9]+
1617    opt_expand        := +
1618 
1619  */
1620 
1621 static GSList *
1622 parse_display_format (WPanel *panel, const char *format, char **error, gboolean isstatus,
     /*   */
1623                       int *res_total_cols)
1624 {
1625     GSList *home = NULL;  // The formats we return
1626     int total_cols = 0;   // Used columns by the format
1627     size_t i;
1628 
1629     static size_t i18n_timelength = 0;  // flag: check ?Time length at startup
1630 
1631     *error = NULL;
1632 
1633     if (i18n_timelength == 0)
1634     {
1635         i18n_timelength = i18n_checktimelength ();  // Mustn't be 0
1636 
1637         for (i = 0; panel_fields[i].id != NULL; i++)
1638             if (strcmp ("time", panel_fields[i].id + 1) == 0)
1639                 panel_fields[i].min_size = i18n_timelength;
1640     }
1641 
1642     /*
1643      * This makes sure that the panel and mini status full/half mode
1644      * setting is equal
1645      */
1646     format = parse_panel_size (panel, format, isstatus);
1647 
1648     while (*format != '\0')
1649     {  // format can be an empty string
1650         format_item_t *darr;
1651         align_crt_t justify;          // Which mode.
1652         gboolean set_justify = TRUE;  // flag: set justification mode?
1653         gboolean found = FALSE;
1654         size_t klen = 0;
1655 
1656         darr = g_new0 (format_item_t, 1);
1657         home = g_slist_append (home, darr);
1658 
1659         format = skip_separators (format);
1660 
1661         switch (*format)
1662         {
1663         case '<':
1664             justify = J_LEFT;
1665             format = skip_separators (format + 1);
1666             break;
1667         case '=':
1668             justify = J_CENTER;
1669             format = skip_separators (format + 1);
1670             break;
1671         case '>':
1672             justify = J_RIGHT;
1673             format = skip_separators (format + 1);
1674             break;
1675         default:
1676             justify = J_LEFT;
1677             set_justify = FALSE;
1678             break;
1679         }
1680 
1681         for (i = 0; !found && panel_fields[i].id != NULL; i++)
1682         {
1683             klen = strlen (panel_fields[i].id);
1684             found = strncmp (format, panel_fields[i].id, klen) == 0;
1685         }
1686 
1687         if (found)
1688         {
1689             i--;
1690             format += klen;
1691 
1692             darr->requested_field_len = panel_fields[i].min_size;
1693             darr->string_fn = panel_fields[i].string_fn;
1694             darr->title = g_strdup (panel_get_title_without_hotkey (panel_fields[i].title_hotkey));
1695             darr->id = panel_fields[i].id;
1696             darr->expand = panel_fields[i].expands;
1697             darr->just_mode = panel_fields[i].default_just;
1698 
1699             if (set_justify)
1700             {
1701                 if (IS_FIT (darr->just_mode))
1702                     darr->just_mode = MAKE_FIT (justify);
1703                 else
1704                     darr->just_mode = justify;
1705             }
1706 
1707             format = skip_separators (format);
1708 
1709             // If we have a size specifier
1710             if (*format == ':')
1711             {
1712                 int req_length;
1713 
1714                 /* If the size was specified, we don't want
1715                  * auto-expansion by default
1716                  */
1717                 darr->expand = FALSE;
1718                 format++;
1719                 req_length = atoi (format);
1720                 darr->requested_field_len = req_length;
1721 
1722                 format = skip_numbers (format);
1723 
1724                 // Now, if they insist on expansion
1725                 if (*format == '+')
1726                 {
1727                     darr->expand = TRUE;
1728                     format++;
1729                 }
1730             }
1731         }
1732         else
1733         {
1734             size_t pos;
1735             char *tmp_format;
1736 
1737             pos = strlen (format);
1738             if (pos > 8)
1739                 pos = 8;
1740 
1741             tmp_format = g_strndup (format, pos);
1742             g_slist_free_full (home, (GDestroyNotify) format_item_free);
1743             *error =
1744                 g_strconcat (_ ("Unknown tag on display format:"), " ", tmp_format, (char *) NULL);
1745             g_free (tmp_format);
1746 
1747             return NULL;
1748         }
1749 
1750         total_cols += darr->requested_field_len;
1751     }
1752 
1753     *res_total_cols = total_cols;
1754     return home;
1755 }
1756 
1757 /* --------------------------------------------------------------------------------------------- */
1758 
1759 static GSList *
1760 use_display_format (WPanel *panel, const char *format, char **error, gboolean isstatus)
     /*   */
1761 {
1762 #define MAX_EXPAND 4
1763     int expand_top = 0;  // Max used element in expand
1764     int usable_columns;  // Usable columns in the panel
1765     int total_cols = 0;
1766     GSList *darr, *home;
1767 
1768     if (format == NULL)
1769         format = DEFAULT_USER_FORMAT;
1770 
1771     home = parse_display_format (panel, format, error, isstatus, &total_cols);
1772 
1773     if (*error != NULL)
1774         return NULL;
1775 
1776     panel->dirty = TRUE;
1777 
1778     usable_columns = WIDGET (panel)->rect.cols - 2;
1779     // Status needn't to be split
1780     if (!isstatus)
1781     {
1782         usable_columns /= panel->list_cols;
1783         if (panel->list_cols > 1)
1784             usable_columns--;
1785     }
1786 
1787     // Look for the expandable fields and set field_len based on the requested field len
1788     for (darr = home; darr != NULL && expand_top < MAX_EXPAND; darr = g_slist_next (darr))
1789     {
1790         format_item_t *fi = (format_item_t *) darr->data;
1791 
1792         fi->field_len = fi->requested_field_len;
1793         if (fi->expand)
1794             expand_top++;
1795     }
1796 
1797     // If we used more columns than the available columns, adjust that
1798     if (total_cols > usable_columns)
1799     {
1800         int dif;
1801         int pdif = 0;
1802 
1803         dif = total_cols - usable_columns;
1804 
1805         while (dif != 0 && pdif != dif)
1806         {
1807             pdif = dif;
1808 
1809             for (darr = home; darr != NULL; darr = g_slist_next (darr))
1810             {
1811                 format_item_t *fi = (format_item_t *) darr->data;
1812 
1813                 if (dif != 0 && fi->field_len != 1)
1814                 {
1815                     fi->field_len--;
1816                     dif--;
1817                 }
1818             }
1819         }
1820 
1821         total_cols = usable_columns;  // give up, the rest should be truncated
1822     }
1823 
1824     // Expand the available space
1825     if (usable_columns > total_cols && expand_top != 0)
1826     {
1827         int i;
1828         int spaces;
1829 
1830         spaces = (usable_columns - total_cols) / expand_top;
1831 
1832         for (i = 0, darr = home; darr != NULL && i < expand_top; darr = g_slist_next (darr))
1833         {
1834             format_item_t *fi = (format_item_t *) darr->data;
1835 
1836             if (fi->expand)
1837             {
1838                 fi->field_len += spaces;
1839                 if (i == 0)
1840                     fi->field_len += (usable_columns - total_cols) % expand_top;
1841                 i++;
1842             }
1843         }
1844     }
1845 
1846     return home;
1847 }
1848 
1849 /* --------------------------------------------------------------------------------------------- */
1850 /** Given the panel->view_type returns the format string to be parsed */
1851 
1852 static const char *
1853 panel_format (WPanel *panel)
     /*   */
1854 {
1855     switch (panel->list_format)
1856     {
1857     case list_long:
1858         return "full perm space nlink space owner space group space size space mtime space name";
1859 
1860     case list_brief:
1861     {
1862         static char format[BUF_TINY];
1863         int brief_cols = panel->brief_cols;
1864 
1865         if (brief_cols < 1)
1866             brief_cols = 2;
1867 
1868         if (brief_cols > 9)
1869             brief_cols = 9;
1870 
1871         g_snprintf (format, sizeof (format), "half %d type name", brief_cols);
1872         return format;
1873     }
1874 
1875     case list_user:
1876         return panel->user_format;
1877 
1878     default:
1879     case list_full:
1880         return "half type name | size | mtime";
1881     }
1882 }
1883 
1884 /* --------------------------------------------------------------------------------------------- */
1885 
1886 static const char *
1887 mini_status_format (WPanel *panel)
     /*   */
1888 {
1889     if (panel->user_mini_status)
1890         return panel->user_status_format[panel->list_format];
1891 
1892     switch (panel->list_format)
1893     {
1894     case list_long:
1895         return "full perm space nlink space owner space group space size space mtime space name";
1896 
1897     case list_brief:
1898         return "half type name space bsize space perm space";
1899 
1900     case list_full:
1901         return "half type name";
1902 
1903     default:
1904     case list_user:
1905         return panel->user_format;
1906     }
1907 }
1908 
1909 /*                          */
1910 /* Panel operation commands */
1911 /*                          */
1912 
1913 /* --------------------------------------------------------------------------------------------- */
1914 
1915 static void
1916 cd_up_dir (WPanel *panel)
     /*   */
1917 {
1918     vfs_path_t *up_dir;
1919 
1920     up_dir = vfs_path_from_str ("..");
1921     panel_cd (panel, up_dir, cd_exact);
1922     vfs_path_free (up_dir, TRUE);
1923 }
1924 
1925 /* --------------------------------------------------------------------------------------------- */
1926 /** Used to emulate Lynx's entering leaving a directory with the arrow keys */
1927 
1928 static cb_ret_t
1929 maybe_cd (WPanel *panel, gboolean move_up_dir)
     /*   */
1930 {
1931     if (panels_options.navigate_with_arrows && input_is_empty (cmdline))
1932     {
1933         const file_entry_t *fe;
1934 
1935         if (move_up_dir)
1936         {
1937             cd_up_dir (panel);
1938             return MSG_HANDLED;
1939         }
1940 
1941         fe = panel_current_entry (panel);
1942 
1943         if (fe != NULL && (S_ISDIR (fe->st.st_mode) || link_isdir (fe)))
1944         {
1945             vfs_path_t *vpath;
1946 
1947             vpath = vfs_path_from_str (fe->fname->str);
1948             panel_cd (panel, vpath, cd_exact);
1949             vfs_path_free (vpath, TRUE);
1950             return MSG_HANDLED;
1951         }
1952     }
1953 
1954     return MSG_NOT_HANDLED;
1955 }
1956 
1957 /* --------------------------------------------------------------------------------------------- */
1958 
1959 /* if command line is empty then do 'cd ..' */
1960 static cb_ret_t
1961 force_maybe_cd (WPanel *panel)
     /*   */
1962 {
1963     if (input_is_empty (cmdline))
1964     {
1965         cd_up_dir (panel);
1966         return MSG_HANDLED;
1967     }
1968 
1969     return MSG_NOT_HANDLED;
1970 }
1971 
1972 /* --------------------------------------------------------------------------------------------- */
1973 
1974 static void
1975 unselect_item (WPanel *panel)
     /*   */
1976 {
1977     const file_entry_t *fe;
1978 
1979     fe = panel_current_entry (panel);
1980     repaint_file (panel, panel->current,
1981                   fe != NULL && fe->f.marked != 0 ? FATTR_MARKED : FATTR_NORMAL);
1982 }
1983 
1984 /* --------------------------------------------------------------------------------------------- */
1985 /** Select/unselect all the files like a current file by extension */
1986 
1987 static void
1988 panel_select_ext_cmd (WPanel *panel)
     /*   */
1989 {
1990     const file_entry_t *fe;
1991     gboolean do_select;
1992     char *reg_exp, *cur_file_ext;
1993     mc_search_t *search;
1994     int i;
1995 
1996     fe = panel_current_entry (panel);
1997     if (fe == NULL)
1998         return;
1999 
2000     do_select = (fe->f.marked == 0);
2001 
2002     cur_file_ext = str_regex_escape (extension (fe->fname->str));
2003     if (cur_file_ext[0] != '\0')
2004         reg_exp = g_strconcat ("^.*\\.", cur_file_ext, "$", (char *) NULL);
2005     else
2006         reg_exp = g_strdup ("^[^\\.]+$");
2007 
2008     g_free (cur_file_ext);
2009 
2010     search = mc_search_new (reg_exp, NULL);
2011     search->search_type = MC_SEARCH_T_REGEX;
2012     search->is_case_sensitive = FALSE;
2013 
2014     for (i = 0; i < panel->dir.len; i++)
2015     {
2016         fe = &panel->dir.list[i];
2017 
2018         if (DIR_IS_DOTDOT (fe->fname->str) || S_ISDIR (fe->st.st_mode))
2019             continue;
2020 
2021         if (!mc_search_run (search, fe->fname->str, 0, fe->fname->len, NULL))
2022             continue;
2023 
2024         do_file_mark (panel, i, do_select ? 1 : 0);
2025     }
2026 
2027     mc_search_free (search);
2028     g_free (reg_exp);
2029 }
2030 
2031 /* --------------------------------------------------------------------------------------------- */
2032 
2033 static void
2034 panel_set_current (WPanel *panel, int i)
     /*   */
2035 {
2036     if (i != panel->current)
2037     {
2038         panel->dirty = TRUE;
2039         panel->current = i;
2040         panel->top = panel->current - (WIDGET (panel)->rect.lines - 2) / 2;
2041         if (panel->top < 0)
2042             panel->top = 0;
2043     }
2044 }
2045 
2046 /* --------------------------------------------------------------------------------------------- */
2047 
2048 static int
2049 panel_current_at_half (const WPanel *panel)
     /*   */
2050 {
2051     int lines, top;
2052 
2053     lines = panel_lines (panel);
2054 
2055     // define top file of column
2056     top = panel->top;
2057     if (panel->list_cols > 1)
2058         top += lines * ((panel->current - top) / lines);
2059 
2060     return (panel->current - top - lines / 2);
2061 }
2062 
2063 /* --------------------------------------------------------------------------------------------- */
2064 
2065 static void
2066 move_down (WPanel *panel)
     /*   */
2067 {
2068     int items;
2069 
2070     if (panel->dir.len == 0)
2071         return;
2072 
2073     if (panel->current >= panel->dir.len - 1)
2074     {
2075         panel->current = panel->dir.len - 1;
2076         return;
2077     }
2078 
2079     unselect_item (panel);
2080     panel->current++;
2081 
2082     items = panel_items (panel);
2083 
2084     if (panels_options.scroll_pages && panel->current - panel->top == items)
2085     {
2086         // Scroll window half screen
2087         panel->top += items / 2;
2088         if (panel->top > panel->dir.len - items)
2089             panel->top = panel->dir.len - items;
2090         paint_dir (panel);
2091     }
2092     else if (panels_options.scroll_center && panel_current_at_half (panel) > 0)
2093     {
2094         // Scroll window when cursor is halfway down
2095         panel->top++;
2096         if (panel->top > panel->dir.len - items)
2097             panel->top = panel->dir.len - items;
2098     }
2099     select_item (panel);
2100 }
2101 
2102 /* --------------------------------------------------------------------------------------------- */
2103 
2104 static void
2105 move_up (WPanel *panel)
     /*   */
2106 {
2107     if (panel->dir.len == 0 || panel->current <= 0)
2108         return;
2109 
2110     unselect_item (panel);
2111     panel->current--;
2112 
2113     if (panels_options.scroll_pages && panel->current < panel->top)
2114     {
2115         // Scroll window half screen
2116         panel->top -= panel_items (panel) / 2;
2117         if (panel->top < 0)
2118             panel->top = 0;
2119         paint_dir (panel);
2120     }
2121     else if (panels_options.scroll_center && panel_current_at_half (panel) < 0)
2122     {
2123         // Scroll window when cursor is halfway up
2124         panel->top--;
2125         if (panel->top < 0)
2126             panel->top = 0;
2127     }
2128     select_item (panel);
2129 }
2130 
2131 /* --------------------------------------------------------------------------------------------- */
2132 /** Changes the current by lines (may be negative) */
2133 
2134 static void
2135 panel_move_current (WPanel *panel, int lines)
     /*   */
2136 {
2137     int new_pos;
2138     gboolean adjust = FALSE;
2139 
2140     if (panel->dir.len == 0 || panel->current < 0)
2141         return;
2142 
2143     new_pos = panel->current + lines;
2144     if (new_pos >= panel->dir.len)
2145         new_pos = panel->dir.len - 1;
2146 
2147     if (new_pos < 0)
2148         new_pos = 0;
2149 
2150     unselect_item (panel);
2151     panel->current = new_pos;
2152 
2153     if (panel->current - panel->top >= panel_items (panel))
2154     {
2155         panel->top += lines;
2156         adjust = TRUE;
2157     }
2158 
2159     if (panel->current - panel->top < 0)
2160     {
2161         panel->top += lines;
2162         adjust = TRUE;
2163     }
2164 
2165     if (adjust)
2166     {
2167         if (panel->top > panel->current)
2168             panel->top = panel->current;
2169         if (panel->top < 0)
2170             panel->top = 0;
2171         paint_dir (panel);
2172     }
2173     select_item (panel);
2174 }
2175 
2176 /* --------------------------------------------------------------------------------------------- */
2177 
2178 static cb_ret_t
2179 move_left (WPanel *panel)
     /*   */
2180 {
2181     if (panel->list_cols > 1)
2182     {
2183         panel_move_current (panel, -panel_lines (panel));
2184         return MSG_HANDLED;
2185     }
2186 
2187     return maybe_cd (panel, TRUE);  // cd ..
2188 }
2189 
2190 /* --------------------------------------------------------------------------------------------- */
2191 
2192 static cb_ret_t
2193 move_right (WPanel *panel)
     /*   */
2194 {
2195     if (panel->list_cols > 1)
2196     {
2197         panel_move_current (panel, panel_lines (panel));
2198         return MSG_HANDLED;
2199     }
2200 
2201     return maybe_cd (panel, FALSE);  // cd (current)
2202 }
2203 
2204 /* --------------------------------------------------------------------------------------------- */
2205 
2206 static void
2207 prev_page (WPanel *panel)
     /*   */
2208 {
2209     int items;
2210 
2211     if (panel->dir.len == 0 || panel->current < 0 || (panel->current == 0 && panel->top == 0))
2212         return;
2213 
2214     unselect_item (panel);
2215     items = panel_items (panel);
2216     if (panel->top < items)
2217         items = panel->top;
2218     if (items == 0)
2219         panel->current = 0;
2220     else
2221         panel->current -= items;
2222     panel->top -= items;
2223 
2224     select_item (panel);
2225     paint_dir (panel);
2226 }
2227 
2228 /* --------------------------------------------------------------------------------------------- */
2229 
2230 static void
2231 goto_parent_dir (WPanel *panel)
     /*   */
2232 {
2233     if (!panel->is_panelized)
2234         cd_up_dir (panel);
2235     else
2236     {
2237         const file_entry_t *fe;
2238         GString *fname;
2239         const char *bname;
2240         vfs_path_t *dname_vpath;
2241 
2242         fe = panel_current_entry (panel);
2243         if (fe == NULL)
2244             return;
2245 
2246         fname = fe->fname;
2247 
2248         if (g_path_is_absolute (fname->str))
2249             fname = mc_g_string_dup (fname);
2250         else
2251         {
2252             char *fname2;
2253 
2254             fname2 = mc_build_filename (vfs_path_as_str (panel->panelized_descr->root_vpath),
2255                                         fname->str, (char *) NULL);
2256 
2257             fname = g_string_new_take (fname2);
2258         }
2259 
2260         bname = x_basename (fname->str);
2261 
2262         if (bname == fname->str)
2263             dname_vpath = vfs_path_from_str (".");
2264         else
2265         {
2266             g_string_truncate (fname, bname - fname->str);
2267             dname_vpath = vfs_path_from_str (fname->str);
2268         }
2269 
2270         panel_cd (panel, dname_vpath, cd_exact);
2271         panel_set_current_by_name (panel, bname);
2272 
2273         vfs_path_free (dname_vpath, TRUE);
2274         g_string_free (fname, TRUE);
2275     }
2276 }
2277 
2278 /* --------------------------------------------------------------------------------------------- */
2279 
2280 static void
2281 next_page (WPanel *panel)
     /*   */
2282 {
2283     int items;
2284 
2285     if (panel->dir.len == 0 || panel->current < 0 || panel->current == panel->dir.len - 1)
2286         return;
2287 
2288     unselect_item (panel);
2289     items = panel_items (panel);
2290     if (panel->top > panel->dir.len - 2 * items)
2291         items = panel->dir.len - items - panel->top;
2292     if (panel->top + items < 0)
2293         items = -panel->top;
2294     if (items == 0)
2295         panel->current = panel->dir.len - 1;
2296     else
2297         panel->current += items;
2298     panel->top += items;
2299 
2300     select_item (panel);
2301     paint_dir (panel);
2302 }
2303 
2304 /* --------------------------------------------------------------------------------------------- */
2305 
2306 static void
2307 goto_child_dir (WPanel *panel)
     /*   */
2308 {
2309     const file_entry_t *fe;
2310 
2311     fe = panel_current_entry (panel);
2312 
2313     if (fe != NULL && (S_ISDIR (fe->st.st_mode) || link_isdir (fe)))
2314     {
2315         vfs_path_t *vpath;
2316 
2317         vpath = vfs_path_from_str (fe->fname->str);
2318         panel_cd (panel, vpath, cd_exact);
2319         vfs_path_free (vpath, TRUE);
2320     }
2321 }
2322 
2323 /* --------------------------------------------------------------------------------------------- */
2324 
2325 static void
2326 goto_top_file (WPanel *panel)
     /*   */
2327 {
2328     if (panel->dir.len == 0 || panel->current < 0)
2329         return;
2330 
2331     unselect_item (panel);
2332     panel->current = panel->top;
2333     select_item (panel);
2334 }
2335 
2336 /* --------------------------------------------------------------------------------------------- */
2337 
2338 static void
2339 goto_middle_file (WPanel *panel)
     /*   */
2340 {
2341     if (panel->dir.len == 0 || panel->current < 0)
2342         return;
2343 
2344     unselect_item (panel);
2345     panel->current = panel->top + panel_items (panel) / 2;
2346     select_item (panel);
2347 }
2348 
2349 /* --------------------------------------------------------------------------------------------- */
2350 
2351 static void
2352 goto_bottom_file (WPanel *panel)
     /*   */
2353 {
2354     if (panel->dir.len == 0 || panel->current < 0)
2355         return;
2356 
2357     unselect_item (panel);
2358     panel->current = panel->top + panel_items (panel) - 1;
2359     select_item (panel);
2360 }
2361 
2362 /* --------------------------------------------------------------------------------------------- */
2363 
2364 static void
2365 move_home (WPanel *panel)
     /*   */
2366 {
2367     if (panel->dir.len == 0 || panel->current <= 0)
2368         return;
2369 
2370     unselect_item (panel);
2371 
2372     if (panels_options.torben_fj_mode)
2373     {
2374         int middle_pos;
2375 
2376         middle_pos = panel->top + panel_items (panel) / 2;
2377 
2378         if (panel->current > middle_pos)
2379         {
2380             goto_middle_file (panel);
2381             return;
2382         }
2383         if (panel->current != panel->top)
2384         {
2385             goto_top_file (panel);
2386             return;
2387         }
2388     }
2389 
2390     panel->top = 0;
2391     panel->current = 0;
2392 
2393     paint_dir (panel);
2394     select_item (panel);
2395 }
2396 
2397 /* --------------------------------------------------------------------------------------------- */
2398 
2399 static void
2400 move_end (WPanel *panel)
     /*   */
2401 {
2402     if (panel->dir.len == 0 || panel->current < 0 || panel->current == panel->dir.len - 1)
2403         return;
2404 
2405     unselect_item (panel);
2406 
2407     if (panels_options.torben_fj_mode)
2408     {
2409         int items, middle_pos;
2410 
2411         items = panel_items (panel);
2412         middle_pos = panel->top + items / 2;
2413 
2414         if (panel->current < middle_pos)
2415         {
2416             goto_middle_file (panel);
2417             return;
2418         }
2419         if (panel->current != panel->top + items - 1)
2420         {
2421             goto_bottom_file (panel);
2422             return;
2423         }
2424     }
2425 
2426     panel->current = panel->dir.len - 1;
2427     paint_dir (panel);
2428     select_item (panel);
2429 }
2430 
2431 /* --------------------------------------------------------------------------------------------- */
2432 
2433 static void
2434 do_mark_file (WPanel *panel, mark_act_t do_move)
     /*   */
2435 {
2436     const file_entry_t *fe;
2437 
2438     fe = panel_current_entry (panel);
2439     if (fe == NULL)
2440         return;
2441 
2442     do_file_mark (panel, panel->current, fe->f.marked ? 0 : 1);
2443 
2444     if ((panels_options.mark_moves_down && do_move == MARK_DOWN) || do_move == MARK_FORCE_DOWN)
2445         move_down (panel);
2446     else if (do_move == MARK_FORCE_UP)
2447         move_up (panel);
2448 }
2449 
2450 /* --------------------------------------------------------------------------------------------- */
2451 
2452 static inline void
2453 mark_file (WPanel *panel)
     /*   */
2454 {
2455     do_mark_file (panel, MARK_DOWN);
2456 }
2457 
2458 /* --------------------------------------------------------------------------------------------- */
2459 
2460 static inline void
2461 mark_file_up (WPanel *panel)
     /*   */
2462 {
2463     do_mark_file (panel, MARK_FORCE_UP);
2464 }
2465 
2466 /* --------------------------------------------------------------------------------------------- */
2467 
2468 static inline void
2469 mark_file_down (WPanel *panel)
     /*   */
2470 {
2471     do_mark_file (panel, MARK_FORCE_DOWN);
2472 }
2473 
2474 /* --------------------------------------------------------------------------------------------- */
2475 
2476 static void
2477 mark_file_right (WPanel *panel)
     /*   */
2478 {
2479     int lines;
2480 
2481     if (state_mark < 0)
2482     {
2483         const file_entry_t *fe;
2484 
2485         fe = panel_current_entry (panel);
2486         if (fe == NULL)
2487             return;
2488 
2489         state_mark = fe->f.marked ? 0 : 1;
2490     }
2491 
2492     lines = panel_lines (panel);
2493     lines = MIN (lines, panel->dir.len - panel->current - 1);
2494     for (; lines != 0; lines--)
2495     {
2496         do_file_mark (panel, panel->current, state_mark);
2497         move_down (panel);
2498     }
2499     do_file_mark (panel, panel->current, state_mark);
2500 }
2501 
2502 /* --------------------------------------------------------------------------------------------- */
2503 
2504 static void
2505 mark_file_left (WPanel *panel)
     /*   */
2506 {
2507     int lines;
2508 
2509     if (state_mark < 0)
2510     {
2511         const file_entry_t *fe;
2512 
2513         fe = panel_current_entry (panel);
2514         if (fe == NULL)
2515             return;
2516 
2517         state_mark = fe->f.marked ? 0 : 1;
2518     }
2519 
2520     lines = panel_lines (panel);
2521     lines = MIN (lines, panel->current + 1);
2522     for (; lines != 0; lines--)
2523     {
2524         do_file_mark (panel, panel->current, state_mark);
2525         move_up (panel);
2526     }
2527     do_file_mark (panel, panel->current, state_mark);
2528 }
2529 
2530 /* --------------------------------------------------------------------------------------------- */
2531 
2532 static mc_search_t *
2533 panel_select_unselect_files_dialog (select_flags_t *flags, const char *title,
     /*   */
2534                                     const char *history_name, const char *help_section, char **str)
2535 {
2536     gboolean files_only = (*flags & SELECT_FILES_ONLY) != 0;
2537     gboolean case_sens = (*flags & SELECT_MATCH_CASE) != 0;
2538     gboolean shell_patterns = (*flags & SELECT_SHELL_PATTERNS) != 0;
2539 
2540     char *reg_exp;
2541     mc_search_t *search;
2542 
2543     quick_widget_t quick_widgets[] = {
2544         // clang-format off
2545         QUICK_INPUT (INPUT_LAST_TEXT, history_name, &reg_exp, NULL,
2546                      FALSE, FALSE, INPUT_COMPLETE_FILENAMES),
2547         QUICK_START_COLUMNS,
2548             QUICK_CHECKBOX (N_ ("&Files only"), &files_only, NULL),
2549             QUICK_CHECKBOX (N_ ("&Using shell patterns"), &shell_patterns, NULL),
2550         QUICK_NEXT_COLUMN,
2551             QUICK_CHECKBOX (N_ ("&Case sensitive"), &case_sens, NULL),
2552         QUICK_STOP_COLUMNS,
2553         QUICK_END,
2554         // clang-format on
2555     };
2556 
2557     WRect r = { -1, -1, 0, 50 };
2558 
2559     quick_dialog_t qdlg = {
2560         .rect = r,
2561         .title = title,
2562         .help = help_section,
2563         .widgets = quick_widgets,
2564         .callback = NULL,
2565         .mouse_callback = NULL,
2566     };
2567 
2568     if (quick_dialog (&qdlg) == B_CANCEL)
2569         return NULL;
2570 
2571     if (*reg_exp == '\0')
2572     {
2573         g_free (reg_exp);
2574         if (str != NULL)
2575             *str = NULL;
2576         return SELECT_RESET;
2577     }
2578 
2579     search = mc_search_new (reg_exp, NULL);
2580     search->search_type = shell_patterns ? MC_SEARCH_T_GLOB : MC_SEARCH_T_REGEX;
2581     search->is_entire_line = TRUE;
2582     search->is_case_sensitive = case_sens;
2583 
2584     if (str != NULL)
2585         *str = reg_exp;
2586     else
2587         g_free (reg_exp);
2588 
2589     if (!mc_search_prepare (search))
2590     {
2591         message (D_ERROR, MSG_ERROR, _ ("Malformed regular expression"));
2592         mc_search_free (search);
2593         return SELECT_ERROR;
2594     }
2595 
2596     // result flags
2597     *flags = 0;
2598     if (case_sens)
2599         *flags |= SELECT_MATCH_CASE;
2600     if (files_only)
2601         *flags |= SELECT_FILES_ONLY;
2602     if (shell_patterns)
2603         *flags |= SELECT_SHELL_PATTERNS;
2604 
2605     return search;
2606 }
2607 
2608 /* --------------------------------------------------------------------------------------------- */
2609 
2610 static void
2611 panel_select_unselect_files (WPanel *panel, const char *title, const char *history_name,
     /*   */
2612                              const char *help_section, gboolean do_select)
2613 {
2614     mc_search_t *search;
2615     gboolean files_only;
2616     int i;
2617 
2618     search = panel_select_unselect_files_dialog (&panels_options.select_flags, title, history_name,
2619                                                  help_section, NULL);
2620     if (search == NULL || search == SELECT_RESET || search == SELECT_ERROR)
2621         return;
2622 
2623     files_only = (panels_options.select_flags & SELECT_FILES_ONLY) != 0;
2624 
2625     for (i = 0; i < panel->dir.len; i++)
2626     {
2627         if (DIR_IS_DOTDOT (panel->dir.list[i].fname->str))
2628             continue;
2629         if (S_ISDIR (panel->dir.list[i].st.st_mode) && files_only)
2630             continue;
2631 
2632         if (mc_search_run (search, panel->dir.list[i].fname->str, 0, panel->dir.list[i].fname->len,
2633                            NULL))
2634             do_file_mark (panel, i, do_select ? 1 : 0);
2635     }
2636 
2637     mc_search_free (search);
2638 }
2639 
2640 /* --------------------------------------------------------------------------------------------- */
2641 
2642 static void
2643 panel_select_files (WPanel *panel)
     /*   */
2644 {
2645     panel_select_unselect_files (panel, _ ("Select"), MC_HISTORY_FM_PANEL_SELECT,
2646                                  "[Select/Unselect Files]", TRUE);
2647 }
2648 
2649 /* --------------------------------------------------------------------------------------------- */
2650 
2651 static void
2652 panel_unselect_files (WPanel *panel)
     /*   */
2653 {
2654     panel_select_unselect_files (panel, _ ("Unselect"), MC_HISTORY_FM_PANEL_UNSELECT,
2655                                  "[Select/Unselect Files]", FALSE);
2656 }
2657 
2658 /* --------------------------------------------------------------------------------------------- */
2659 
2660 static void
2661 panel_select_invert_files (WPanel *panel)
     /*   */
2662 {
2663     int i;
2664 
2665     for (i = 0; i < panel->dir.len; i++)
2666     {
2667         file_entry_t *file = &panel->dir.list[i];
2668 
2669         if (!panels_options.reverse_files_only || !S_ISDIR (file->st.st_mode))
2670             do_file_mark (panel, i, file->f.marked ? 0 : 1);
2671     }
2672 }
2673 
2674 /* --------------------------------------------------------------------------------------------- */
2675 
2676 static void
2677 panel_do_set_filter (WPanel *panel)
     /*   */
2678 {
2679     file_filter_t ff = {
2680         .value = NULL,
2681         .handler = NULL,
2682         .flags = panel->filter.flags,
2683     };
2684 
2685     ff.handler = panel_select_unselect_files_dialog (
2686         &ff.flags, _ ("Filter"), MC_HISTORY_FM_PANEL_FILTER, "[Filter...]", &ff.value);
2687 
2688     if (ff.handler == NULL || ff.handler == SELECT_ERROR)
2689         return;
2690 
2691     if (ff.handler == SELECT_RESET)
2692         ff.handler = NULL;
2693 
2694     panel_set_filter (panel, &ff);
2695 }
2696 
2697 /* --------------------------------------------------------------------------------------------- */
2698 /** Incremental search of a file name in the panel.
2699  * @param panel instance of WPanel structure
2700  * @param c_code key code
2701  */
2702 
2703 static void
2704 do_search (WPanel *panel, int c_code)
     /*   */
2705 {
2706     int curr;
2707     int i;
2708     gboolean wrapped = FALSE;
2709     char *act;
2710     mc_search_t *search;
2711     char *reg_exp, *esc_str;
2712     gboolean is_found = FALSE;
2713 
2714     if (c_code == KEY_BACKSPACE)
2715     {
2716         if (panel->quick_search.buffer->len != 0)
2717         {
2718             act = panel->quick_search.buffer->str + panel->quick_search.buffer->len;
2719             str_prev_noncomb_char (&act, panel->quick_search.buffer->str);
2720             g_string_set_size (panel->quick_search.buffer, act - panel->quick_search.buffer->str);
2721         }
2722         panel->quick_search.chpoint = 0;
2723     }
2724     else
2725     {
2726         if (c_code != 0 && (gsize) panel->quick_search.chpoint < sizeof (panel->quick_search.ch))
2727         {
2728             panel->quick_search.ch[panel->quick_search.chpoint] = c_code;
2729             panel->quick_search.chpoint++;
2730         }
2731 
2732         if (panel->quick_search.chpoint > 0)
2733         {
2734             switch (str_is_valid_char (panel->quick_search.ch, panel->quick_search.chpoint))
2735             {
2736             case -2:
2737                 return;
2738             case -1:
2739                 panel->quick_search.chpoint = 0;
2740                 return;
2741             default:
2742                 g_string_append_len (panel->quick_search.buffer, panel->quick_search.ch,
2743                                      panel->quick_search.chpoint);
2744                 panel->quick_search.chpoint = 0;
2745             }
2746         }
2747     }
2748 
2749     reg_exp = g_strdup_printf ("%s*", panel->quick_search.buffer->str);
2750     esc_str = str_escape (reg_exp, -1, ",|\\{}[]", TRUE);
2751     search = mc_search_new (esc_str, NULL);
2752     search->search_type = MC_SEARCH_T_GLOB;
2753     search->is_entire_line = TRUE;
2754 
2755     switch (panels_options.qsearch_mode)
2756     {
2757     case QSEARCH_CASE_SENSITIVE:
2758         search->is_case_sensitive = TRUE;
2759         break;
2760     case QSEARCH_CASE_INSENSITIVE:
2761         search->is_case_sensitive = FALSE;
2762         break;
2763     default:
2764         search->is_case_sensitive = panel->sort_info.case_sensitive;
2765         break;
2766     }
2767 
2768     curr = panel->current;
2769 
2770     for (i = panel->current; !wrapped || i != panel->current; i++)
2771     {
2772         if (i >= panel->dir.len)
2773         {
2774             i = 0;
2775             if (wrapped)
2776                 break;
2777             wrapped = TRUE;
2778         }
2779         if (mc_search_run (search, panel->dir.list[i].fname->str, 0, panel->dir.list[i].fname->len,
2780                            NULL))
2781         {
2782             curr = i;
2783             is_found = TRUE;
2784             break;
2785         }
2786     }
2787     if (is_found)
2788     {
2789         unselect_item (panel);
2790         panel->current = curr;
2791         select_item (panel);
2792         widget_draw (WIDGET (panel));
2793     }
2794     else if (c_code != KEY_BACKSPACE)
2795     {
2796         act = panel->quick_search.buffer->str + panel->quick_search.buffer->len;
2797         str_prev_noncomb_char (&act, panel->quick_search.buffer->str);
2798         g_string_set_size (panel->quick_search.buffer, act - panel->quick_search.buffer->str);
2799     }
2800     mc_search_free (search);
2801     g_free (reg_exp);
2802     g_free (esc_str);
2803 }
2804 
2805 /* --------------------------------------------------------------------------------------------- */
2806 /** Start new search.
2807  * @param panel instance of WPanel structure
2808  */
2809 
2810 static void
2811 start_search (WPanel *panel)
     /*   */
2812 {
2813     if (panel->quick_search.active)
2814     {
2815         if (panel->current == panel->dir.len - 1)
2816             panel->current = 0;
2817         else
2818             move_down (panel);
2819 
2820         /* in case if there was no search string we need to recall
2821            previous string, with which we ended previous searching */
2822         if (panel->quick_search.buffer->len == 0)
2823             mc_g_string_copy (panel->quick_search.buffer, panel->quick_search.prev_buffer);
2824 
2825         do_search (panel, 0);
2826     }
2827     else if (panel->dir.len != 0)
2828     {
2829         panel->quick_search.active = TRUE;
2830         g_string_set_size (panel->quick_search.buffer, 0);
2831         panel->quick_search.ch[0] = '\0';
2832         panel->quick_search.chpoint = 0;
2833         display_mini_info (panel);
2834     }
2835 }
2836 
2837 /* --------------------------------------------------------------------------------------------- */
2838 
2839 static void
2840 stop_search (WPanel *panel)
     /*   */
2841 {
2842     if (!panel->quick_search.active)
2843         return;
2844 
2845     panel->quick_search.active = FALSE;
2846 
2847     /* if user overrdied search string, we need to store it
2848        to the quick_search.prev_buffer */
2849     if (panel->quick_search.buffer->len != 0)
2850         mc_g_string_copy (panel->quick_search.prev_buffer, panel->quick_search.buffer);
2851 
2852     display_mini_info (panel);
2853 }
2854 
2855 /* --------------------------------------------------------------------------------------------- */
2856 /** Return TRUE if the Enter key has been processed, FALSE otherwise */
2857 
2858 static gboolean
2859 do_enter_on_file_entry (WPanel *panel, const file_entry_t *fe)
     /*   */
2860 {
2861     const char *fname = fe->fname->str;
2862     char *fname_quoted;
2863     vfs_path_t *full_name_vpath;
2864     gboolean ok;
2865 
2866     /*
2867      * Directory or link to directory - change directory.
2868      * Try the same for the entries on which mc_lstat() has failed.
2869      */
2870     if (S_ISDIR (fe->st.st_mode) || link_isdir (fe) || (fe->st.st_mode == 0))
2871     {
2872         vfs_path_t *fname_vpath;
2873 
2874         fname_vpath = vfs_path_from_str (fname);
2875         if (!panel_cd (panel, fname_vpath, cd_exact))
2876             cd_error_message (fname);
2877         vfs_path_free (fname_vpath, TRUE);
2878         return TRUE;
2879     }
2880 
2881     full_name_vpath = vfs_path_append_new (panel->cwd_vpath, fname, (char *) NULL);
2882 
2883     // Try associated command
2884     ok = regex_command (full_name_vpath, "Open") != 0;
2885     vfs_path_free (full_name_vpath, TRUE);
2886     if (ok)
2887         return TRUE;
2888 
2889     // Check if the file is executable
2890     full_name_vpath = vfs_path_append_new (panel->cwd_vpath, fname, (char *) NULL);
2891     ok = (is_exe (fe->st.st_mode) && if_link_is_exe (full_name_vpath, fe));
2892     vfs_path_free (full_name_vpath, TRUE);
2893     if (!ok)
2894         return FALSE;
2895 
2896     if (confirm_execute
2897         && query_dialog (PACKAGE_NAME, _ ("Do you really want to execute?"), D_NORMAL, 2,
2898                          _ ("&Yes"), _ ("&No"))
2899             != 0)
2900         return TRUE;
2901 
2902     if (!vfs_current_is_local ())
2903     {
2904         int ret;
2905         vfs_path_t *tmp_vpath;
2906 
2907         tmp_vpath = vfs_path_append_new (vfs_get_raw_current_dir (), fname, (char *) NULL);
2908         ret = mc_setctl (tmp_vpath, VFS_SETCTL_RUN, NULL);
2909         vfs_path_free (tmp_vpath, TRUE);
2910         // We took action only if the dialog was shown or the execution was successful
2911         return confirm_execute || (ret == 0);
2912     }
2913 
2914     fname_quoted = name_quote (fname, FALSE);
2915     if (fname_quoted != NULL)
2916     {
2917         char *cmd;
2918 
2919         cmd = g_strconcat ("." PATH_SEP_STR, fname_quoted, (char *) NULL);
2920         g_free (fname_quoted);
2921 
2922         shell_execute (cmd, 0);
2923         g_free (cmd);
2924     }
2925 
2926     mc_global.source_codepage = default_source_codepage;
2927 
2928     return TRUE;
2929 }
2930 
2931 /* --------------------------------------------------------------------------------------------- */
2932 
2933 static inline gboolean
2934 do_enter (WPanel *panel)
     /*   */
2935 {
2936     const file_entry_t *fe;
2937 
2938     fe = panel_current_entry (panel);
2939 
2940     return (fe == NULL ? FALSE : do_enter_on_file_entry (panel, fe));
2941 }
2942 
2943 /* --------------------------------------------------------------------------------------------- */
2944 
2945 static void
2946 panel_cycle_listing_format (WPanel *panel)
     /*   */
2947 {
2948     panel->list_format = (panel->list_format + 1) % LIST_FORMATS;
2949 
2950     if (set_panel_formats (panel) == 0)
2951         do_refresh ();
2952 }
2953 
2954 /* --------------------------------------------------------------------------------------------- */
2955 
2956 static void
2957 chdir_other_panel (WPanel *panel)
     /*   */
2958 {
2959     const file_entry_t *entry;
2960     vfs_path_t *new_dir_vpath;
2961     char *curr_entry = NULL;
2962     WPanel *p;
2963 
2964     entry = panel_current_entry (panel);
2965     if (entry == NULL)
2966         return;
2967 
2968     if (get_other_type () != view_listing)
2969         create_panel (get_other_index (), view_listing);
2970 
2971     if (S_ISDIR (entry->st.st_mode) || link_isdir (entry))
2972         new_dir_vpath = vfs_path_append_new (panel->cwd_vpath, entry->fname->str, (char *) NULL);
2973     else
2974     {
2975         new_dir_vpath = vfs_path_append_new (panel->cwd_vpath, "..", (char *) NULL);
2976         curr_entry = strrchr (vfs_path_get_last_path_str (panel->cwd_vpath), PATH_SEP);
2977     }
2978 
2979     p = change_panel ();
2980     panel_cd (p, new_dir_vpath, cd_exact);
2981     vfs_path_free (new_dir_vpath, TRUE);
2982 
2983     if (curr_entry != NULL)
2984         panel_set_current_by_name (p, curr_entry);
2985     (void) change_panel ();
2986 
2987     move_down (panel);
2988 }
2989 
2990 /* --------------------------------------------------------------------------------------------- */
2991 /**
2992  * Make the current directory of the current panel also the current
2993  * directory of the other panel.  Put the other panel to the listing
2994  * mode if needed.  If the current panel is panelized, the other panel
2995  * doesn't become panelized.
2996  */
2997 
2998 static void
2999 panel_sync_other (const WPanel *panel)
     /*   */
3000 {
3001     if (get_other_type () != view_listing)
3002         create_panel (get_other_index (), view_listing);
3003 
3004     panel_do_cd (other_panel, panel->cwd_vpath, cd_exact);
3005 
3006     // try to set current filename on the other panel
3007     if (!panel->is_panelized)
3008     {
3009         const file_entry_t *fe;
3010 
3011         fe = panel_current_entry (panel);
3012         if (fe != NULL)
3013             panel_set_current_by_name (other_panel, fe->fname->str);
3014     }
3015 }
3016 
3017 /* --------------------------------------------------------------------------------------------- */
3018 
3019 static void
3020 chdir_to_readlink (WPanel *panel)
     /*   */
3021 {
3022     const file_entry_t *fe;
3023     vfs_path_t *new_dir_vpath;
3024     char buffer[MC_MAXPATHLEN];
3025     int i;
3026     struct stat st;
3027     vfs_path_t *panel_fname_vpath;
3028     gboolean ok;
3029     WPanel *cpanel;
3030 
3031     if (get_other_type () != view_listing)
3032         return;
3033 
3034     fe = panel_current_entry (panel);
3035 
3036     if (fe == NULL || !S_ISLNK (fe->st.st_mode))
3037         return;
3038 
3039     i = readlink (fe->fname->str, buffer, MC_MAXPATHLEN - 1);
3040     if (i < 0)
3041         return;
3042 
3043     panel_fname_vpath = vfs_path_from_str (fe->fname->str);
3044     ok = (mc_stat (panel_fname_vpath, &st) >= 0);
3045     vfs_path_free (panel_fname_vpath, TRUE);
3046     if (!ok)
3047         return;
3048 
3049     buffer[i] = '\0';
3050     if (!S_ISDIR (st.st_mode))
3051     {
3052         char *p;
3053 
3054         p = strrchr (buffer, PATH_SEP);
3055         if (p != NULL && p[1] == '\0')
3056         {
3057             *p = '\0';
3058             p = strrchr (buffer, PATH_SEP);
3059         }
3060         if (p == NULL)
3061             return;
3062 
3063         p[1] = '\0';
3064     }
3065     if (IS_PATH_SEP (*buffer))
3066         new_dir_vpath = vfs_path_from_str (buffer);
3067     else
3068         new_dir_vpath = vfs_path_append_new (panel->cwd_vpath, buffer, (char *) NULL);
3069 
3070     cpanel = change_panel ();
3071     panel_cd (cpanel, new_dir_vpath, cd_exact);
3072     vfs_path_free (new_dir_vpath, TRUE);
3073     (void) change_panel ();
3074 
3075     move_down (panel);
3076 }
3077 
3078 /* --------------------------------------------------------------------------------------------- */
3079 /**
3080    function return 0 if not found and REAL_INDEX+1 if found
3081  */
3082 
3083 static gsize
3084 panel_get_format_field_index_by_name (const WPanel *panel, const char *name)
     /*   */
3085 {
3086     GSList *format;
3087     gsize lc_index;
3088 
3089     for (lc_index = 1, format = panel->format;
3090          format != NULL && strcmp (((format_item_t *) format->data)->title, name) != 0;
3091          format = g_slist_next (format), lc_index++)
3092         ;
3093 
3094     if (format == NULL)
3095         lc_index = 0;
3096 
3097     return lc_index;
3098 }
3099 
3100 /* --------------------------------------------------------------------------------------------- */
3101 
3102 static const panel_field_t *
3103 panel_get_sortable_field_by_format (const WPanel *panel, gsize lc_index)
     /*   */
3104 {
3105     const panel_field_t *pfield;
3106     const format_item_t *format;
3107 
3108     format = (const format_item_t *) g_slist_nth_data (panel->format, lc_index);
3109     if (format == NULL)
3110         return NULL;
3111 
3112     pfield = panel_get_field_by_title (format->title);
3113     if (pfield == NULL)
3114         return NULL;
3115     if (pfield->sort_routine == NULL)
3116         return NULL;
3117     return pfield;
3118 }
3119 
3120 /* --------------------------------------------------------------------------------------------- */
3121 
3122 static void
3123 panel_toggle_sort_order_prev (WPanel *panel)
     /*   */
3124 {
3125     gsize lc_index, i;
3126     const char *title;
3127     const panel_field_t *pfield = NULL;
3128 
3129     title = panel_get_title_without_hotkey (panel->sort_field->title_hotkey);
3130     lc_index = panel_get_format_field_index_by_name (panel, title);
3131 
3132     if (lc_index > 1)
3133     {
3134         // search for prev sortable column in panel format
3135         for (i = lc_index - 1;
3136              i != 0 && (pfield = panel_get_sortable_field_by_format (panel, i - 1)) == NULL; i--)
3137             ;
3138     }
3139 
3140     if (pfield == NULL)
3141     {
3142         // Sortable field not found. Try to search in each array
3143         for (i = g_slist_length (panel->format);
3144              i != 0 && (pfield = panel_get_sortable_field_by_format (panel, i - 1)) == NULL; i--)
3145             ;
3146     }
3147 
3148     if (pfield != NULL)
3149     {
3150         panel->sort_field = pfield;
3151         panel_set_sort_order (panel, pfield);
3152     }
3153 }
3154 
3155 /* --------------------------------------------------------------------------------------------- */
3156 
3157 static void
3158 panel_toggle_sort_order_next (WPanel *panel)
     /*   */
3159 {
3160     gsize lc_index, i;
3161     const panel_field_t *pfield = NULL;
3162     gsize format_field_count;
3163     const char *title;
3164 
3165     format_field_count = g_slist_length (panel->format);
3166     title = panel_get_title_without_hotkey (panel->sort_field->title_hotkey);
3167     lc_index = panel_get_format_field_index_by_name (panel, title);
3168 
3169     if (lc_index != 0 && lc_index != format_field_count)
3170     {
3171         // search for prev sortable column in panel format
3172         for (i = lc_index; i != format_field_count
3173              && (pfield = panel_get_sortable_field_by_format (panel, i)) == NULL;
3174              i++)
3175             ;
3176     }
3177 
3178     if (pfield == NULL)
3179     {
3180         // Sortable field not found. Try to search in each array
3181         for (i = 0; i != format_field_count
3182              && (pfield = panel_get_sortable_field_by_format (panel, i)) == NULL;
3183              i++)
3184             ;
3185     }
3186 
3187     if (pfield != NULL)
3188     {
3189         panel->sort_field = pfield;
3190         panel_set_sort_order (panel, pfield);
3191     }
3192 }
3193 
3194 /* --------------------------------------------------------------------------------------------- */
3195 
3196 static void
3197 panel_select_sort_order (WPanel *panel)
     /*   */
3198 {
3199     const panel_field_t *sort_order;
3200 
3201     sort_order = sort_box (&panel->sort_info, panel->sort_field);
3202     if (sort_order != NULL)
3203     {
3204         panel->sort_field = sort_order;
3205         panel_set_sort_order (panel, sort_order);
3206     }
3207 }
3208 
3209 /* --------------------------------------------------------------------------------------------- */
3210 /**
3211  * Scroll long filename to left
3212  *
3213  * @param panel object
3214  */
3215 
3216 static void
3217 panel_content_scroll_left (WPanel *panel)
     /*   */
3218 {
3219     if (panel->content_shift != 0)
3220     {
3221         if (panel->content_shift > panel->max_shift)
3222             panel->content_shift = panel->max_shift;
3223 
3224         panel->content_shift--;
3225         show_dir (panel);
3226         paint_dir (panel);
3227     }
3228 }
3229 
3230 /* --------------------------------------------------------------------------------------------- */
3231 /**
3232  * Scroll long filename to right
3233  *
3234  * @param panel object
3235  */
3236 
3237 static void
3238 panel_content_scroll_right (WPanel *panel)
     /*   */
3239 {
3240     if (panel->content_shift == 0 || panel->content_shift < panel->max_shift)
3241     {
3242         panel->content_shift++;
3243         show_dir (panel);
3244         paint_dir (panel);
3245     }
3246 }
3247 
3248 /* --------------------------------------------------------------------------------------------- */
3249 /**
3250  * Scroll long filename to home
3251  *
3252  * @param panel the pointer to the panel on which we operate
3253  */
3254 
3255 static void
3256 panel_content_scroll_home (WPanel *panel)
     /*   */
3257 {
3258     panel->content_shift = 0;
3259     show_dir (panel);
3260     paint_dir (panel);
3261 }
3262 
3263 /* --------------------------------------------------------------------------------------------- */
3264 /**
3265  * Scroll long filename to end
3266  *
3267  * @param panel the pointer to the panel on which we operate
3268  */
3269 
3270 static void
3271 panel_content_scroll_end (WPanel *panel)
     /*   */
3272 {
3273     // set content_shift to the maximum possible value
3274     panel->content_shift = UINT_MAX;
3275 
3276     show_dir (panel);
3277     paint_dir (panel);
3278 
3279     // correct content shift after UINT_MAX
3280     if (panel->content_shift > panel->max_shift)
3281         panel->content_shift = panel->max_shift;
3282 }
3283 
3284 /* --------------------------------------------------------------------------------------------- */
3285 
3286 static void
3287 panel_set_sort_type_by_id (WPanel *panel, const char *name)
     /*   */
3288 {
3289     if (strcmp (panel->sort_field->id, name) == 0)
3290         panel->sort_info.reverse = !panel->sort_info.reverse;
3291     else
3292     {
3293         const panel_field_t *sort_order;
3294 
3295         sort_order = panel_get_field_by_id (name);
3296         if (sort_order == NULL)
3297             return;
3298 
3299         panel->sort_field = sort_order;
3300     }
3301 
3302     panel_set_sort_order (panel, panel->sort_field);
3303 }
3304 
3305 /* --------------------------------------------------------------------------------------------- */
3306 /**
3307  *  If we moved to the parent directory move the 'current' pointer to
3308  *  the old directory name; If we leave VFS dir, remove FS specificator.
3309  *
3310  *  You do _NOT_ want to add any vfs aware code here. <pavel@ucw.cz>
3311  */
3312 
3313 static const char *
3314 get_parent_dir_name (const vfs_path_t *cwd_vpath, const vfs_path_t *lwd_vpath)
     /*   */
3315 {
3316     size_t llen, clen;
3317     const char *p, *lwd;
3318 
3319     llen = vfs_path_len (lwd_vpath);
3320     clen = vfs_path_len (cwd_vpath);
3321 
3322     if (llen <= clen)
3323         return NULL;
3324 
3325     lwd = vfs_path_as_str (lwd_vpath);
3326 
3327     p = g_strrstr (lwd, VFS_PATH_URL_DELIMITER);
3328 
3329     if (p == NULL)
3330     {
3331         const char *cwd;
3332 
3333         cwd = vfs_path_as_str (cwd_vpath);
3334 
3335         p = strrchr (lwd, PATH_SEP);
3336 
3337         if (p != NULL && strncmp (cwd, lwd, (size_t) (p - lwd)) == 0
3338             && (clen == (size_t) (p - lwd) || (p == lwd && IS_PATH_SEP (cwd[0]) && cwd[1] == '\0')))
3339             return (p + 1);
3340 
3341         return NULL;
3342     }
3343 
3344     // skip VFS prefix
3345     while (--p > lwd && !IS_PATH_SEP (*p))
3346         ;
3347     // get last component
3348     while (--p > lwd && !IS_PATH_SEP (*p))
3349         ;
3350 
3351     // return last component
3352     return (p != lwd || IS_PATH_SEP (*p)) ? p + 1 : p;
3353 }
3354 
3355 /* --------------------------------------------------------------------------------------------- */
3356 /**
3357  * Changes the current directory of the panel.
3358  * Don't record change in the directory history.
3359  */
3360 
3361 static gboolean
3362 panel_do_cd_int (WPanel *panel, const vfs_path_t *new_dir_vpath, enum cd_enum cd_type)
     /*   */
3363 {
3364     vfs_path_t *olddir_vpath;
3365 
3366     // Convert *new_path to a suitable pathname, handle ~user
3367     if (cd_type == cd_parse_command)
3368     {
3369         const vfs_path_element_t *element;
3370 
3371         element = vfs_path_get_by_index (new_dir_vpath, 0);
3372         if (strcmp (element->path, "-") == 0)
3373             new_dir_vpath = panel->lwd_vpath;
3374     }
3375 
3376     if (mc_chdir (new_dir_vpath) == -1)
3377         return FALSE;
3378 
3379     // Success: save previous directory, shutdown status of previous dir
3380     olddir_vpath = vfs_path_clone (panel->cwd_vpath);
3381     panel_set_lwd (panel, panel->cwd_vpath);
3382     input_complete_free (cmdline);
3383 
3384     vfs_path_free (panel->cwd_vpath, TRUE);
3385     vfs_setup_cwd ();
3386     panel->cwd_vpath = vfs_path_clone (vfs_get_raw_current_dir ());
3387 
3388     vfs_release_path (olddir_vpath);
3389 
3390 #ifdef ENABLE_SUBSHELL
3391     subshell_chdir (panel->cwd_vpath);
3392 #endif
3393 
3394     // Reload current panel
3395     panel_clean_dir (panel);
3396 
3397     if (!dir_list_load (&panel->dir, panel->cwd_vpath, panel->sort_field->sort_routine,
3398                         &panel->sort_info, &panel->filter))
3399         message (D_ERROR, MSG_ERROR, _ ("Cannot read directory contents"));
3400 
3401     if (panel->dir.len == 0)
3402         panel_set_current (panel, -1);
3403 
3404     panel_set_current_by_name (panel, get_parent_dir_name (panel->cwd_vpath, olddir_vpath));
3405 
3406     load_hint (FALSE);
3407     panel->dirty = TRUE;
3408     update_xterm_title_path ();
3409     update_terminal_cwd ();
3410 
3411     vfs_path_free (olddir_vpath, TRUE);
3412 
3413     return TRUE;
3414 }
3415 
3416 /* --------------------------------------------------------------------------------------------- */
3417 
3418 static void
3419 directory_history_next (WPanel *panel)
     /*   */
3420 {
3421     gboolean ok;
3422 
3423     do
3424     {
3425         GList *next;
3426 
3427         ok = TRUE;
3428         next = g_list_next (panel->dir_history.current);
3429         if (next != NULL)
3430         {
3431             vfs_path_t *data_vpath;
3432 
3433             data_vpath = vfs_path_from_str ((char *) next->data);
3434             ok = panel_do_cd_int (panel, data_vpath, cd_exact);
3435             vfs_path_free (data_vpath, TRUE);
3436             panel->dir_history.current = next;
3437         }
3438         // skip directories that present in history but absent in file system
3439     }
3440     while (!ok);
3441 }
3442 
3443 /* --------------------------------------------------------------------------------------------- */
3444 
3445 static void
3446 directory_history_prev (WPanel *panel)
     /*   */
3447 {
3448     gboolean ok;
3449 
3450     do
3451     {
3452         GList *prev;
3453 
3454         ok = TRUE;
3455         prev = g_list_previous (panel->dir_history.current);
3456         if (prev != NULL)
3457         {
3458             vfs_path_t *data_vpath;
3459 
3460             data_vpath = vfs_path_from_str ((char *) prev->data);
3461             ok = panel_do_cd_int (panel, data_vpath, cd_exact);
3462             vfs_path_free (data_vpath, TRUE);
3463             panel->dir_history.current = prev;
3464         }
3465         // skip directories that present in history but absent in file system
3466     }
3467     while (!ok);
3468 }
3469 
3470 /* --------------------------------------------------------------------------------------------- */
3471 
3472 static void
3473 directory_history_list (WPanel *panel)
     /*   */
3474 {
3475     history_descriptor_t hd;
3476     gboolean ok = FALSE;
3477     size_t pos;
3478 
3479     pos = g_list_position (panel->dir_history.current, panel->dir_history.list);
3480 
3481     history_descriptor_init (&hd, WIDGET (panel)->rect.y, WIDGET (panel)->rect.x,
3482                              panel->dir_history.list, (int) pos);
3483     history_show (&hd);
3484 
3485     panel->dir_history.list = hd.list;
3486     if (hd.text != NULL)
3487     {
3488         vfs_path_t *s_vpath;
3489 
3490         s_vpath = vfs_path_from_str (hd.text);
3491         ok = panel_do_cd_int (panel, s_vpath, cd_exact);
3492         if (ok)
3493             directory_history_add (panel, panel->cwd_vpath);
3494         else
3495             cd_error_message (hd.text);
3496         vfs_path_free (s_vpath, TRUE);
3497         g_free (hd.text);
3498     }
3499 
3500     if (!ok)
3501     {
3502         /* Since history is fully modified in history_show(), panel->dir_history actually
3503          * points to the invalid place. Try restore current position here. */
3504 
3505         size_t i;
3506 
3507         panel->dir_history.current = panel->dir_history.list;
3508 
3509         for (i = 0; i <= pos; i++)
3510         {
3511             GList *prev;
3512 
3513             prev = g_list_previous (panel->dir_history.current);
3514             if (prev == NULL)
3515                 break;
3516 
3517             panel->dir_history.current = prev;
3518         }
3519     }
3520 }
3521 
3522 /* --------------------------------------------------------------------------------------------- */
3523 
3524 static cb_ret_t
3525 panel_execute_cmd (WPanel *panel, long command)
     /*   */
3526 {
3527     int res = MSG_HANDLED;
3528 
3529     if (command != CK_Search)
3530         stop_search (panel);
3531 
3532     switch (command)
3533     {
3534     case CK_Up:
3535     case CK_Down:
3536     case CK_Left:
3537     case CK_Right:
3538     case CK_Bottom:
3539     case CK_Top:
3540     case CK_PageDown:
3541     case CK_PageUp:
3542         // reset state of marks flag
3543         state_mark = -1;
3544         break;
3545     default:
3546         break;
3547     }
3548 
3549     switch (command)
3550     {
3551     case CK_CycleListingFormat:
3552         panel_cycle_listing_format (panel);
3553         break;
3554     case CK_PanelOtherCd:
3555         chdir_other_panel (panel);
3556         break;
3557     case CK_PanelOtherCdLink:
3558         chdir_to_readlink (panel);
3559         break;
3560     case CK_CopySingle:
3561         copy_cmd_local (panel);
3562         break;
3563     case CK_DeleteSingle:
3564         delete_cmd_local (panel);
3565         break;
3566     case CK_Enter:
3567         do_enter (panel);
3568         break;
3569     case CK_ViewRaw:
3570         view_raw_cmd (panel);
3571         break;
3572     case CK_EditNew:
3573         edit_cmd_new ();
3574         break;
3575     case CK_MoveSingle:
3576         rename_cmd_local (panel);
3577         break;
3578     case CK_SelectInvert:
3579         panel_select_invert_files (panel);
3580         break;
3581     case CK_Select:
3582         panel_select_files (panel);
3583         break;
3584     case CK_SelectExt:
3585         panel_select_ext_cmd (panel);
3586         break;
3587     case CK_Unselect:
3588         panel_unselect_files (panel);
3589         break;
3590     case CK_Filter:
3591         panel_do_set_filter (panel);
3592         break;
3593     case CK_PageDown:
3594         next_page (panel);
3595         break;
3596     case CK_PageUp:
3597         prev_page (panel);
3598         break;
3599     case CK_CdChild:
3600         goto_child_dir (panel);
3601         break;
3602     case CK_CdParent:
3603         goto_parent_dir (panel);
3604         break;
3605     case CK_History:
3606         directory_history_list (panel);
3607         break;
3608     case CK_HistoryNext:
3609         directory_history_next (panel);
3610         break;
3611     case CK_HistoryPrev:
3612         directory_history_prev (panel);
3613         break;
3614     case CK_BottomOnScreen:
3615         goto_bottom_file (panel);
3616         break;
3617     case CK_MiddleOnScreen:
3618         goto_middle_file (panel);
3619         break;
3620     case CK_TopOnScreen:
3621         goto_top_file (panel);
3622         break;
3623     case CK_Mark:
3624         mark_file (panel);
3625         break;
3626     case CK_MarkUp:
3627         mark_file_up (panel);
3628         break;
3629     case CK_MarkDown:
3630         mark_file_down (panel);
3631         break;
3632     case CK_MarkLeft:
3633         mark_file_left (panel);
3634         break;
3635     case CK_MarkRight:
3636         mark_file_right (panel);
3637         break;
3638     case CK_CdParentSmart:
3639         res = force_maybe_cd (panel);
3640         break;
3641     case CK_Up:
3642         move_up (panel);
3643         break;
3644     case CK_Down:
3645         move_down (panel);
3646         break;
3647     case CK_Left:
3648         res = move_left (panel);
3649         break;
3650     case CK_Right:
3651         res = move_right (panel);
3652         break;
3653     case CK_Bottom:
3654         move_end (panel);
3655         break;
3656     case CK_Top:
3657         move_home (panel);
3658         break;
3659     case CK_SelectCodepage:
3660         panel_change_encoding (panel);
3661         break;
3662     case CK_ScrollLeft:
3663         panel_content_scroll_left (panel);
3664         break;
3665     case CK_ScrollRight:
3666         panel_content_scroll_right (panel);
3667         break;
3668     case CK_ScrollHome:
3669         panel_content_scroll_home (panel);
3670         break;
3671     case CK_ScrollEnd:
3672         panel_content_scroll_end (panel);
3673         break;
3674     case CK_Search:
3675         start_search (panel);
3676         break;
3677     case CK_SearchStop:
3678         break;
3679     case CK_PanelOtherSync:
3680         panel_sync_other (panel);
3681         break;
3682     case CK_Sort:
3683         panel_select_sort_order (panel);
3684         break;
3685     case CK_SortPrev:
3686         panel_toggle_sort_order_prev (panel);
3687         break;
3688     case CK_SortNext:
3689         panel_toggle_sort_order_next (panel);
3690         break;
3691     case CK_SortReverse:
3692         panel->sort_info.reverse = !panel->sort_info.reverse;
3693         panel_set_sort_order (panel, panel->sort_field);
3694         break;
3695     case CK_SortByName:
3696         panel_set_sort_type_by_id (panel, "name");
3697         break;
3698     case CK_SortByVersion:
3699         panel_set_sort_type_by_id (panel, "version");
3700         break;
3701     case CK_SortByExt:
3702         panel_set_sort_type_by_id (panel, "extension");
3703         break;
3704     case CK_SortBySize:
3705         panel_set_sort_type_by_id (panel, "size");
3706         break;
3707     case CK_SortByMTime:
3708         panel_set_sort_type_by_id (panel, "mtime");
3709         break;
3710     default:
3711         res = MSG_NOT_HANDLED;
3712         break;
3713     }
3714 
3715     return res;
3716 }
3717 
3718 /* --------------------------------------------------------------------------------------------- */
3719 
3720 static cb_ret_t
3721 panel_key (WPanel *panel, int key)
     /*   */
3722 {
3723     long command;
3724 
3725     if (is_abort_char (key))
3726     {
3727         stop_search (panel);
3728         return MSG_HANDLED;
3729     }
3730 
3731     if (panel->quick_search.active && ((key >= ' ' && key <= 255) || key == KEY_BACKSPACE))
3732     {
3733         do_search (panel, key);
3734         return MSG_HANDLED;
3735     }
3736 
3737     command = widget_lookup_key (WIDGET (panel), key);
3738     if (command != CK_IgnoreKey)
3739         return panel_execute_cmd (panel, command);
3740 
3741     if (panels_options.torben_fj_mode && key == ALT ('h'))
3742     {
3743         goto_middle_file (panel);
3744         return MSG_HANDLED;
3745     }
3746 
3747     if (!command_prompt && ((key >= ' ' && key <= 255) || key == KEY_BACKSPACE))
3748     {
3749         start_search (panel);
3750         do_search (panel, key);
3751         return MSG_HANDLED;
3752     }
3753 
3754     return MSG_NOT_HANDLED;
3755 }
3756 
3757 /* --------------------------------------------------------------------------------------------- */
3758 
3759 static cb_ret_t
3760 panel_callback (Widget *w, Widget *sender, widget_msg_t msg, int parm, void *data)
     /*   */
3761 {
3762     WPanel *panel = PANEL (w);
3763     WDialog *h = DIALOG (w->owner);
3764     WButtonBar *bb;
3765 
3766     switch (msg)
3767     {
3768     case MSG_INIT:
3769         // subscribe to "history_load" event
3770         mc_event_add (h->event_group, MCEVENT_HISTORY_LOAD, panel_load_history, w, NULL);
3771         // subscribe to "history_save" event
3772         mc_event_add (h->event_group, MCEVENT_HISTORY_SAVE, panel_save_history, w, NULL);
3773         return MSG_HANDLED;
3774 
3775     case MSG_DRAW:
3776         // Repaint everything, including frame and separator
3777         widget_erase (w);
3778         show_dir (panel);
3779         panel_print_header (panel);
3780         adjust_top_file (panel);
3781         paint_dir (panel);
3782         mini_info_separator (panel);
3783         display_mini_info (panel);
3784         panel->dirty = FALSE;
3785         return MSG_HANDLED;
3786 
3787     case MSG_FOCUS:
3788         state_mark = -1;
3789         current_panel = panel;
3790         panel->active = TRUE;
3791 
3792         if (mc_chdir (panel->cwd_vpath) != 0)
3793         {
3794             char *cwd;
3795 
3796             cwd = vfs_path_to_str_flags (panel->cwd_vpath, 0, VPF_STRIP_PASSWORD);
3797             cd_error_message (cwd);
3798             g_free (cwd);
3799         }
3800 #ifdef ENABLE_SUBSHELL
3801         else
3802             subshell_chdir (panel->cwd_vpath);
3803 #endif
3804 
3805         update_xterm_title_path ();
3806         update_terminal_cwd ();
3807         select_item (panel);
3808 
3809         bb = buttonbar_find (h);
3810         midnight_set_buttonbar (bb);
3811         return MSG_HANDLED;
3812 
3813     case MSG_UNFOCUS:
3814         // Janne: look at this for the multiple panel options
3815         stop_search (panel);
3816         panel->active = FALSE;
3817         unselect_item (panel);
3818         return MSG_HANDLED;
3819 
3820     case MSG_KEY:
3821         return panel_key (panel, parm);
3822 
3823     case MSG_ACTION:
3824         return panel_execute_cmd (panel, parm);
3825 
3826     case MSG_DESTROY:
3827         vfs_stamp_path (panel->cwd_vpath);
3828         // unsubscribe from "history_load" event
3829         mc_event_del (h->event_group, MCEVENT_HISTORY_LOAD, panel_load_history, w);
3830         // unsubscribe from "history_save" event
3831         mc_event_del (h->event_group, MCEVENT_HISTORY_SAVE, panel_save_history, w);
3832         panel_destroy (panel);
3833         free_my_statfs ();
3834         return MSG_HANDLED;
3835 
3836     default:
3837         return widget_default_callback (w, sender, msg, parm, data);
3838     }
3839 }
3840 
3841 /* --------------------------------------------------------------------------------------------- */
3842 /*                                     */
3843 /* Panel mouse events support routines */
3844 /*                                     */
3845 
3846 static void
3847 mouse_toggle_mark (WPanel *panel)
     /*   */
3848 {
3849     const file_entry_t *fe;
3850 
3851     fe = panel_current_entry (panel);
3852     if (fe != NULL)
3853     {
3854         do_mark_file (panel, MARK_DONT_MOVE);
3855         mouse_marking = fe->f.marked != 0;
3856         mouse_mark_panel = current_panel;
3857     }
3858 }
3859 
3860 /* --------------------------------------------------------------------------------------------- */
3861 
3862 static void
3863 mouse_set_mark (WPanel *panel)
     /*   */
3864 {
3865     if (mouse_mark_panel == panel)
3866     {
3867         const file_entry_t *fe;
3868 
3869         fe = panel_current_entry (panel);
3870         if (fe != NULL)
3871         {
3872             if (mouse_marking && fe->f.marked == 0)
3873                 do_mark_file (panel, MARK_DONT_MOVE);
3874             else if (!mouse_marking && fe->f.marked != 0)
3875                 do_mark_file (panel, MARK_DONT_MOVE);
3876         }
3877     }
3878 }
3879 
3880 /* --------------------------------------------------------------------------------------------- */
3881 
3882 static void
3883 mark_if_marking (WPanel *panel, const mouse_event_t *event, int previous_current)
     /*   */
3884 {
3885     if ((event->buttons & GPM_B_RIGHT) == 0)
3886         return;
3887 
3888     if (event->msg == MSG_MOUSE_DOWN)
3889         mouse_toggle_mark (panel);
3890     else
3891     {
3892         int pcurr, curr1, curr2;
3893 
3894         pcurr = panel->current;
3895         curr1 = MIN (previous_current, panel->current);
3896         curr2 = MAX (previous_current, panel->current);
3897 
3898         for (; curr1 <= curr2; curr1++)
3899         {
3900             panel->current = curr1;
3901             mouse_set_mark (panel);
3902         }
3903 
3904         panel->current = pcurr;
3905     }
3906 }
3907 
3908 /* --------------------------------------------------------------------------------------------- */
3909 /** Determine which column was clicked, and sort the panel on
3910  * that column, or reverse sort on that column if already
3911  * sorted on that column.
3912  */
3913 
3914 static void
3915 mouse_sort_col (WPanel *panel, int x)
     /*   */
3916 {
3917     int i = 0;
3918     GSList *format;
3919     const char *lc_sort_name = NULL;
3920     panel_field_t *col_sort_format = NULL;
3921 
3922     const int sort_indicator_width =
3923         panel->sort_info.reverse ? panel_sort_up_indicator_width : panel_sort_down_indicator_width;
3924 
3925     // Clicking the sort order indicator itself should reverse the current sort order
3926     if (x >= 2 && x < 2 + sort_indicator_width)
3927     {
3928         panel->sort_info.reverse = !panel->sort_info.reverse;
3929         panel_set_sort_order (panel, panel->sort_field);
3930         return;
3931     }
3932 
3933     for (format = panel->format; format != NULL; format = g_slist_next (format))
3934     {
3935         format_item_t *fi = (format_item_t *) format->data;
3936 
3937         i += fi->field_len;
3938         if (x < i + 1)
3939         {
3940             // found column
3941             lc_sort_name = fi->title;
3942             break;
3943         }
3944     }
3945 
3946     if (lc_sort_name == NULL)
3947         return;
3948 
3949     for (i = 0; panel_fields[i].id != NULL; i++)
3950     {
3951         const char *title;
3952 
3953         title = panel_get_title_without_hotkey (panel_fields[i].title_hotkey);
3954         if (panel_fields[i].sort_routine != NULL && strcmp (title, lc_sort_name) == 0)
3955         {
3956             col_sort_format = &panel_fields[i];
3957             break;
3958         }
3959     }
3960 
3961     if (col_sort_format != NULL)
3962     {
3963         if (panel->sort_field == col_sort_format)
3964             // reverse the sort if clicked column is already the sorted column
3965             panel->sort_info.reverse = !panel->sort_info.reverse;
3966         else
3967             // new sort is forced to be ascending
3968             panel->sort_info.reverse = FALSE;
3969 
3970         panel_set_sort_order (panel, col_sort_format);
3971     }
3972 }
3973 
3974 /* --------------------------------------------------------------------------------------------- */
3975 
3976 static int
3977 panel_mouse_is_on_item (const WPanel *panel, int y, int x)
     /*   */
3978 {
3979     int lines, col_width, col;
3980 
3981     if (y < 0)
3982         return MOUSE_UPPER_FILE_LIST;
3983 
3984     lines = panel_lines (panel);
3985     if (y >= lines)
3986         return MOUSE_BELOW_FILE_LIST;
3987 
3988     col_width = (CONST_WIDGET (panel)->rect.cols - 2) / panel->list_cols;
3989     // column where mouse is
3990     col = x / col_width;
3991 
3992     y += panel->top + lines * col;
3993 
3994     // are we below or in the next column of last file?
3995     if (y >= panel->dir.len)
3996         return MOUSE_AFTER_LAST_FILE;
3997 
3998     // we are on item of the file file; return an index to select a file
3999     return y;
4000 }
4001 
4002 /* --------------------------------------------------------------------------------------------- */
4003 
4004 static void
4005 panel_mouse_callback (Widget *w, mouse_msg_t msg, mouse_event_t *event)
     /*   */
4006 {
4007     WPanel *panel = PANEL (w);
4008     gboolean is_active;
4009 
4010     is_active = widget_is_active (w);
4011 
4012     switch (msg)
4013     {
4014     case MSG_MOUSE_DOWN:
4015         if (event->y == 0)
4016         {
4017             // top frame
4018             if (event->x == 1)
4019                 // "<" button
4020                 directory_history_prev (panel);
4021             else if (event->x == w->rect.cols - 2)
4022                 // ">" button
4023                 directory_history_next (panel);
4024             else if (event->x >= w->rect.cols - 5 && event->x <= w->rect.cols - 3)
4025                 // "^" button
4026                 directory_history_list (panel);
4027             else if (event->x == w->rect.cols - 6)
4028                 // "." button show/hide hidden files
4029                 send_message (filemanager, NULL, MSG_ACTION, CK_ShowHidden, NULL);
4030             else
4031             {
4032                 // no other events on 1st line, return MOU_UNHANDLED
4033                 event->result.abort = TRUE;
4034                 // avoid extra panel redraw
4035                 panel->dirty = FALSE;
4036             }
4037             break;
4038         }
4039 
4040         if (event->y == 1)
4041         {
4042             // sort on clicked column
4043             mouse_sort_col (panel, event->x + 1);
4044             break;
4045         }
4046 
4047         if (!is_active)
4048             (void) change_panel ();
4049         MC_FALLTHROUGH;
4050 
4051     case MSG_MOUSE_DRAG:
4052     {
4053         int my_index;
4054         int previous_current;
4055 
4056         my_index = panel_mouse_is_on_item (panel, event->y - 2, event->x);
4057         previous_current = panel->current;
4058 
4059         switch (my_index)
4060         {
4061         case MOUSE_UPPER_FILE_LIST:
4062             move_up (panel);
4063             mark_if_marking (panel, event, previous_current);
4064             break;
4065 
4066         case MOUSE_BELOW_FILE_LIST:
4067             move_down (panel);
4068             mark_if_marking (panel, event, previous_current);
4069             break;
4070 
4071         case MOUSE_AFTER_LAST_FILE:
4072             break;  // do nothing
4073 
4074         default:
4075             if (my_index != panel->current)
4076             {
4077                 unselect_item (panel);
4078                 panel->current = my_index;
4079                 select_item (panel);
4080             }
4081 
4082             mark_if_marking (panel, event, previous_current);
4083             break;
4084         }
4085     }
4086     break;
4087 
4088     case MSG_MOUSE_UP:
4089         break;
4090 
4091     case MSG_MOUSE_CLICK:
4092         if ((event->count & GPM_DOUBLE) != 0 && (event->buttons & GPM_B_LEFT) != 0
4093             && panel_mouse_is_on_item (panel, event->y - 2, event->x) >= 0)
4094             do_enter (panel);
4095         break;
4096 
4097     case MSG_MOUSE_MOVE:
4098         break;
4099 
4100     case MSG_MOUSE_SCROLL_UP:
4101         if (is_active)
4102         {
4103             if (panels_options.mouse_move_pages && panel->top > 0)
4104                 prev_page (panel);
4105             else  // We are in first page
4106                 move_up (panel);
4107         }
4108         break;
4109 
4110     case MSG_MOUSE_SCROLL_DOWN:
4111         if (is_active)
4112         {
4113             if (panels_options.mouse_move_pages
4114                 && panel->top + panel_items (panel) < panel->dir.len)
4115                 next_page (panel);
4116             else  // We are in last page
4117                 move_down (panel);
4118         }
4119         break;
4120 
4121     default:
4122         break;
4123     }
4124 
4125     if (panel->dirty)
4126         widget_draw (w);
4127 }
4128 
4129 /* --------------------------------------------------------------------------------------------- */
4130 
4131 static void
4132 reload_panelized (WPanel *panel)
     /*   */
4133 {
4134     int i, j;
4135     dir_list *list = &panel->dir;
4136 
4137     // refresh current VFS directory required for vfs_path_from_str()
4138     (void) mc_chdir (panel->cwd_vpath);
4139 
4140     for (i = 0, j = 0; i < list->len; i++)
4141     {
4142         vfs_path_t *vpath;
4143 
4144         vpath = vfs_path_from_str (list->list[i].fname->str);
4145         if (mc_lstat (vpath, &list->list[i].st) != 0)
4146             g_string_free (list->list[i].fname, TRUE);
4147         else
4148         {
4149             if (j != i)
4150                 list->list[j] = list->list[i];
4151             j++;
4152         }
4153         vfs_path_free (vpath, TRUE);
4154     }
4155     if (j == 0)
4156         dir_list_init (list);
4157     else
4158         list->len = j;
4159 
4160     recalculate_panel_summary (panel);
4161 
4162     if (panel != current_panel)
4163         (void) mc_chdir (current_panel->cwd_vpath);
4164 }
4165 
4166 /* --------------------------------------------------------------------------------------------- */
4167 
4168 static void
4169 update_one_panel_widget (WPanel *panel, panel_update_flags_t flags, const char *current_file)
     /*   */
4170 {
4171     gboolean free_pointer;
4172     char *my_current_file = NULL;
4173 
4174     if ((flags & UP_RELOAD) != 0)
4175     {
4176         panel->is_panelized = FALSE;
4177         mc_setctl (panel->cwd_vpath, VFS_SETCTL_FLUSH, NULL);
4178         memset (&(panel->dir_stat), 0, sizeof (panel->dir_stat));
4179     }
4180 
4181     // If current_file == -1 (an invalid pointer) then preserve current
4182     free_pointer = current_file == UP_KEEPSEL;
4183 
4184     if (free_pointer)
4185     {
4186         const file_entry_t *fe;
4187 
4188         fe = panel_current_entry (panel);
4189         if (fe != NULL)
4190             my_current_file = g_strndup (fe->fname->str, fe->fname->len);
4191         current_file = my_current_file;
4192     }
4193 
4194     if (panel->is_panelized)
4195         reload_panelized (panel);
4196     else
4197         panel_reload (panel);
4198 
4199     panel_set_current_by_name (panel, current_file);
4200     panel->dirty = TRUE;
4201 
4202     if (free_pointer)
4203         g_free (my_current_file);
4204 }
4205 
4206 /* --------------------------------------------------------------------------------------------- */
4207 
4208 static void
4209 update_one_panel (int which, panel_update_flags_t flags, const char *current_file)
     /*   */
4210 {
4211     if (get_panel_type (which) == view_listing)
4212     {
4213         WPanel *panel;
4214 
4215         panel = PANEL (get_panel_widget (which));
4216         if (panel->is_panelized)
4217             flags &= ~UP_RELOAD;
4218         update_one_panel_widget (panel, flags, current_file);
4219     }
4220 }
4221 
4222 /* --------------------------------------------------------------------------------------------- */
4223 
4224 /* event callback */
4225 static gboolean
4226 event_update_panels (const gchar *event_group_name, const gchar *event_name, gpointer init_data,
     /*   */
4227                      gpointer data)
4228 {
4229     (void) event_group_name;
4230     (void) event_name;
4231     (void) init_data;
4232     (void) data;
4233 
4234     update_panels (UP_RELOAD, UP_KEEPSEL);
4235 
4236     return TRUE;
4237 }
4238 
4239 /* --------------------------------------------------------------------------------------------- */
4240 
4241 /* event callback */
4242 static gboolean
4243 panel_save_current_file_to_clip_file (const gchar *event_group_name, const gchar *event_name,
     /*   */
4244                                       gpointer init_data, gpointer data)
4245 {
4246     (void) event_group_name;
4247     (void) event_name;
4248     (void) init_data;
4249     (void) data;
4250 
4251     if (current_panel->marked == 0)
4252     {
4253         const file_entry_t *fe;
4254 
4255         fe = panel_current_entry (current_panel);
4256         if (fe != NULL)
4257             mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_text_to_file",
4258                             (gpointer) fe->fname->str);
4259     }
4260     else
4261     {
4262         int i;
4263         gboolean first = TRUE;
4264         char *flist = NULL;
4265 
4266         for (i = 0; i < current_panel->dir.len; i++)
4267         {
4268             const file_entry_t *fe = &current_panel->dir.list[i];
4269 
4270             if (fe->f.marked != 0)
4271             {  // Skip the unmarked ones
4272                 if (first)
4273                 {
4274                     flist = g_strndup (fe->fname->str, fe->fname->len);
4275                     first = FALSE;
4276                 }
4277                 else
4278                 {
4279                     // Add empty lines after the file
4280                     char *tmp;
4281 
4282                     tmp = g_strconcat (flist, "\n", fe->fname->str, (char *) NULL);
4283                     g_free (flist);
4284                     flist = tmp;
4285                 }
4286             }
4287         }
4288 
4289         mc_event_raise (MCEVENT_GROUP_CORE, "clipboard_text_to_file", (gpointer) flist);
4290         g_free (flist);
4291     }
4292     return TRUE;
4293 }
4294 
4295 /* --------------------------------------------------------------------------------------------- */
4296 
4297 static vfs_path_t *
4298 panel_recursive_cd_to_parent (const vfs_path_t *vpath)
     /*   */
4299 {
4300     vfs_path_t *cwd_vpath;
4301 
4302     cwd_vpath = vfs_path_clone (vpath);
4303 
4304     while (mc_chdir (cwd_vpath) < 0)
4305     {
4306         const char *panel_cwd_path;
4307         vfs_path_t *tmp_vpath;
4308 
4309         // check if path contains only '/'
4310         panel_cwd_path = vfs_path_as_str (cwd_vpath);
4311         if (panel_cwd_path != NULL && IS_PATH_SEP (panel_cwd_path[0]) && panel_cwd_path[1] == '\0')
4312         {
4313             vfs_path_free (cwd_vpath, TRUE);
4314             return NULL;
4315         }
4316 
4317         tmp_vpath = vfs_path_vtokens_get (cwd_vpath, 0, -1);
4318         vfs_path_free (cwd_vpath, TRUE);
4319         cwd_vpath =
4320             vfs_path_build_filename (PATH_SEP_STR, vfs_path_as_str (tmp_vpath), (char *) NULL);
4321         vfs_path_free (tmp_vpath, TRUE);
4322     }
4323 
4324     return cwd_vpath;
4325 }
4326 
4327 /* --------------------------------------------------------------------------------------------- */
4328 
4329 static void
4330 panel_dir_list_callback (dir_list_cb_state_t state, void *data)
     /*   */
4331 {
4332     static int count = 0;
4333 
4334     (void) data;
4335 
4336     switch (state)
4337     {
4338     case DIR_OPEN:
4339         count = 0;
4340         break;
4341 
4342     case DIR_READ:
4343         count++;
4344         if ((count & 15) == 0)
4345             rotate_dash (TRUE);
4346         break;
4347 
4348     case DIR_CLOSE:
4349         rotate_dash (FALSE);
4350         break;
4351 
4352     default:
4353         g_assert_not_reached ();
4354     }
4355 }
4356 
4357 /* --------------------------------------------------------------------------------------------- */
4358 /*** public functions ****************************************************************************/
4359 /* --------------------------------------------------------------------------------------------- */
4360 
4361 file_entry_t *
4362 panel_current_entry (const WPanel *panel)
     /*   */
4363 {
4364     file_entry_t *fe;
4365 
4366     if (panel->dir.len == 0 || panel->current < 0 || panel->current >= panel->dir.len)
4367         return NULL;
4368 
4369     fe = &(panel->dir.list[panel->current]);
4370 
4371     return fe->fname == NULL ? NULL : fe;
4372 }
4373 
4374 /* --------------------------------------------------------------------------------------------- */
4375 
4376 void
4377 panel_set_current_by_name (WPanel *panel, const char *name)
     /*   */
4378 {
4379     int i;
4380     char *subdir;
4381 
4382     if (panel->dir.len == 0)
4383     {
4384         panel_set_current (panel, -1);
4385         return;
4386     }
4387 
4388     if (name == NULL)
4389     {
4390         panel_set_current (panel, 0);
4391         return;
4392     }
4393 
4394     /* We only want the last component of the directory,
4395      * and from this only the name without suffix.
4396      * Cut prefix if the panel is not panelized */
4397     if (panel->is_panelized)
4398         subdir = vfs_strip_suffix_from_filename (name);
4399     else
4400         subdir = vfs_strip_suffix_from_filename (x_basename (name));
4401 
4402     /* Search that subdir or filename without prefix (if not panelized panel),
4403        make it current if found */
4404     for (i = 0; i < panel->dir.len; i++)
4405         if (strcmp (subdir, panel->dir.list[i].fname->str) == 0)
4406         {
4407             panel_set_current (panel, i);
4408             g_free (subdir);
4409             return;
4410         }
4411 
4412     // Make current near the filee that is missing
4413     if (panel->current >= panel->dir.len)
4414         panel_set_current (panel, panel->dir.len - 1);
4415     g_free (subdir);
4416 
4417     select_item (panel);
4418 }
4419 
4420 /* --------------------------------------------------------------------------------------------- */
4421 
4422 void
4423 panel_clean_dir (WPanel *panel)
     /*   */
4424 {
4425     panel->top = 0;
4426     panel->current = 0;
4427     panel->marked = 0;
4428     panel->dirs_marked = 0;
4429     panel->total = 0;
4430     panel->quick_search.active = FALSE;
4431     panel->is_panelized = FALSE;
4432     panel->dirty = TRUE;
4433     panel->content_shift = 0;
4434     panel->max_shift = 0;
4435 
4436     dir_list_free_list (&panel->dir);
4437 }
4438 
4439 /* --------------------------------------------------------------------------------------------- */
4440 /**
4441  * Set Up panel's current dir object
4442  *
4443  * @param panel panel object
4444  * @param path_str string contain path
4445  */
4446 
4447 void
4448 panel_set_cwd (WPanel *panel, const vfs_path_t *vpath)
     /*   */
4449 {
4450     if (vpath != panel->cwd_vpath)  // check if new vpath is not the panel->cwd_vpath object
4451     {
4452         vfs_path_free (panel->cwd_vpath, TRUE);
4453         panel->cwd_vpath = vfs_path_clone (vpath);
4454     }
4455 }
4456 
4457 /* --------------------------------------------------------------------------------------------- */
4458 /**
4459  * Set Up panel's last working dir object
4460  *
4461  * @param panel panel object
4462  * @param path_str string contain path
4463  */
4464 
4465 void
4466 panel_set_lwd (WPanel *panel, const vfs_path_t *vpath)
     /*   */
4467 {
4468     if (vpath != panel->lwd_vpath)  // check if new vpath is not the panel->lwd_vpath object
4469     {
4470         vfs_path_free (panel->lwd_vpath, TRUE);
4471         panel->lwd_vpath = vfs_path_clone (vpath);
4472     }
4473 }
4474 
4475 /* --------------------------------------------------------------------------------------------- */
4476 /**
4477  * Creatie an empty panel with specified size.
4478  *
4479  * @param panel_name name of panel for setup receiving
4480  * @param r panel areaa
4481  *
4482  * @return new instance of WPanel
4483  */
4484 
4485 WPanel *
4486 panel_sized_empty_new (const char *panel_name, const WRect *r)
     /*   */
4487 {
4488     WPanel *panel;
4489     Widget *w;
4490     char *section;
4491     int i, err;
4492 
4493     panel = g_new0 (WPanel, 1);
4494     w = WIDGET (panel);
4495     widget_init (w, r, panel_callback, panel_mouse_callback);
4496     w->options |= WOP_SELECTABLE | WOP_TOP_SELECT;
4497     w->keymap = panel_map;
4498 
4499     panel->dir.size = DIR_LIST_MIN_SIZE;
4500     panel->dir.list = g_new (file_entry_t, panel->dir.size);
4501     panel->dir.len = 0;
4502     panel->dir.callback = panel_dir_list_callback;
4503 
4504     panel->list_cols = 1;
4505     panel->brief_cols = 2;
4506     panel->dirty = TRUE;
4507     panel->content_shift = 0;
4508     panel->max_shift = 0;
4509 
4510     panel->list_format = list_full;
4511     panel->user_format = g_strdup (DEFAULT_USER_FORMAT);
4512 
4513     panel->filter.flags = FILE_FILTER_DEFAULT_FLAGS;
4514 
4515     for (i = 0; i < LIST_FORMATS; i++)
4516         panel->user_status_format[i] = g_strdup (DEFAULT_USER_FORMAT);
4517 
4518     panel->codepage = SELECT_CHARSET_NO_TRANSLATE;
4519 
4520     panel->frame_size = frame_half;
4521 
4522     panel->quick_search.buffer = g_string_sized_new (MC_MAXFILENAMELEN);
4523     panel->quick_search.prev_buffer = g_string_sized_new (MC_MAXFILENAMELEN);
4524 
4525     panel->name = g_strdup (panel_name);
4526     panel->dir_history.name = g_strconcat ("Dir Hist ", panel->name, (char *) NULL);
4527     // directories history will be get later
4528 
4529     section = g_strconcat ("Temporal:", panel->name, (char *) NULL);
4530     if (!mc_config_has_group (mc_global.main_config, section))
4531     {
4532         g_free (section);
4533         section = g_strdup (panel->name);
4534     }
4535     panel_load_setup (panel, section);
4536     g_free (section);
4537 
4538     if (panel->filter.value != NULL)
4539     {
4540         gboolean case_sens = (panel->filter.flags & SELECT_MATCH_CASE) != 0;
4541         gboolean shell_patterns = (panel->filter.flags & SELECT_SHELL_PATTERNS) != 0;
4542 
4543         panel->filter.handler = mc_search_new (panel->filter.value, NULL);
4544         panel->filter.handler->search_type = shell_patterns ? MC_SEARCH_T_GLOB : MC_SEARCH_T_REGEX;
4545         panel->filter.handler->is_entire_line = TRUE;
4546         panel->filter.handler->is_case_sensitive = case_sens;
4547 
4548         // FIXME: silent check -- do not display an error message
4549         if (!mc_search_prepare (panel->filter.handler))
4550             file_filter_clear (&panel->filter);
4551     }
4552 
4553     // Load format strings
4554     err = set_panel_formats (panel);
4555     if (err != 0)
4556         set_panel_formats (panel);
4557 
4558     return panel;
4559 }
4560 
4561 /* --------------------------------------------------------------------------------------------- */
4562 /**
4563  * Panel creation for specified size and directory.
4564  *
4565  * @param panel_name name of panel for setup retrieving
4566  * @param r panel areaa
4567  * @param vpath working panel directory. If NULL then current directory is used
4568  *
4569  * @return new instance of WPanel
4570  */
4571 
4572 WPanel *
4573 panel_sized_with_dir_new (const char *panel_name, const WRect *r, const vfs_path_t *vpath)
     /*   */
4574 {
4575     WPanel *panel;
4576     char *curdir = NULL;
4577     const vfs_path_element_t *path_element;
4578 
4579     panel = panel_sized_empty_new (panel_name, r);
4580 
4581     if (vpath != NULL)
4582     {
4583         curdir = vfs_get_cwd ();
4584         panel_set_cwd (panel, vpath);
4585     }
4586     else
4587     {
4588         vfs_setup_cwd ();
4589         panel->cwd_vpath = vfs_path_clone (vfs_get_raw_current_dir ());
4590     }
4591 
4592     panel_set_lwd (panel, vfs_get_raw_current_dir ());
4593 
4594     path_element = vfs_path_get_by_index (panel->cwd_vpath, -1);
4595     if (path_element->encoding != NULL)
4596         panel->codepage = get_codepage_index (path_element->encoding);
4597 
4598     if (mc_chdir (panel->cwd_vpath) != 0)
4599     {
4600         panel->codepage = SELECT_CHARSET_NO_TRANSLATE;
4601         vfs_setup_cwd ();
4602         vfs_path_free (panel->cwd_vpath, TRUE);
4603         panel->cwd_vpath = vfs_path_clone (vfs_get_raw_current_dir ());
4604     }
4605 
4606     // Load the default format
4607     if (!dir_list_load (&panel->dir, panel->cwd_vpath, panel->sort_field->sort_routine,
4608                         &panel->sort_info, &panel->filter))
4609         message (D_ERROR, MSG_ERROR, _ ("Cannot read directory contents"));
4610 
4611     if (panel->dir.len == 0)
4612         panel_set_current (panel, -1);
4613 
4614     // Restore old right path
4615     if (curdir != NULL)
4616     {
4617         vfs_path_t *tmp_vpath;
4618         int err;
4619 
4620         tmp_vpath = vfs_path_from_str (curdir);
4621         mc_chdir (tmp_vpath);
4622         vfs_path_free (tmp_vpath, TRUE);
4623         (void) err;
4624     }
4625     g_free (curdir);
4626 
4627     return panel;
4628 }
4629 
4630 /* --------------------------------------------------------------------------------------------- */
4631 
4632 void
4633 panel_reload (WPanel *panel)
     /*   */
4634 {
4635     struct stat current_stat;
4636     vfs_path_t *cwd_vpath;
4637 
4638     if (panels_options.fast_reload && stat (vfs_path_as_str (panel->cwd_vpath), &current_stat) == 0
4639         && current_stat.st_ctime == panel->dir_stat.st_ctime
4640         && current_stat.st_mtime == panel->dir_stat.st_mtime)
4641         return;
4642 
4643     cwd_vpath = panel_recursive_cd_to_parent (panel->cwd_vpath);
4644     vfs_path_free (panel->cwd_vpath, TRUE);
4645 
4646     if (cwd_vpath == NULL)
4647     {
4648         panel->cwd_vpath = vfs_path_from_str (PATH_SEP_STR);
4649         panel_clean_dir (panel);
4650         dir_list_init (&panel->dir);
4651         return;
4652     }
4653 
4654     panel->cwd_vpath = cwd_vpath;
4655     memset (&(panel->dir_stat), 0, sizeof (panel->dir_stat));
4656     show_dir (panel);
4657 
4658     if (!dir_list_reload (&panel->dir, panel->cwd_vpath, panel->sort_field->sort_routine,
4659                           &panel->sort_info, &panel->filter))
4660         message (D_ERROR, MSG_ERROR, _ ("Cannot read directory contents"));
4661 
4662     panel->dirty = TRUE;
4663 
4664     if (panel->dir.len == 0)
4665         panel_set_current (panel, -1);
4666     else if (panel->current >= panel->dir.len)
4667         panel_set_current (panel, panel->dir.len - 1);
4668 
4669     recalculate_panel_summary (panel);
4670 }
4671 
4672 /* --------------------------------------------------------------------------------------------- */
4673 /* Switches the panel to the mode specified in the format           */
4674 /* Setting up both format and status string. Return: 0 - on success; */
4675 /* 1 - format error; 2 - status error; 3 - errors in both formats.  */
4676 
4677 int
4678 set_panel_formats (WPanel *p)
     /*   */
4679 {
4680     GSList *form;
4681     char *err = NULL;
4682     int retcode = 0;
4683 
4684     form = use_display_format (p, panel_format (p), &err, FALSE);
4685 
4686     if (err != NULL)
4687     {
4688         g_free (err);
4689         retcode = 1;
4690     }
4691     else
4692     {
4693         g_slist_free_full (p->format, (GDestroyNotify) format_item_free);
4694         p->format = form;
4695     }
4696 
4697     if (panels_options.show_mini_info)
4698     {
4699         form = use_display_format (p, mini_status_format (p), &err, TRUE);
4700 
4701         if (err != NULL)
4702         {
4703             g_free (err);
4704             retcode += 2;
4705         }
4706         else
4707         {
4708             g_slist_free_full (p->status_format, (GDestroyNotify) format_item_free);
4709             p->status_format = form;
4710         }
4711     }
4712 
4713     panel_update_cols (WIDGET (p), p->frame_size);
4714 
4715     if (retcode != 0)
4716         message (D_ERROR, _ ("Warning"),
4717                  _ ("User supplied format looks invalid, reverting to default."));
4718     if ((retcode & 0x01) != 0)
4719     {
4720         g_free (p->user_format);
4721         p->user_format = g_strdup (DEFAULT_USER_FORMAT);
4722     }
4723     if ((retcode & 0x02) != 0)
4724     {
4725         g_free (p->user_status_format[p->list_format]);
4726         p->user_status_format[p->list_format] = g_strdup (DEFAULT_USER_FORMAT);
4727     }
4728 
4729     return retcode;
4730 }
4731 
4732 /* --------------------------------------------------------------------------------------------- */
4733 
4734 void
4735 panel_set_filter (WPanel *panel, const file_filter_t *filter)
     /*   */
4736 {
4737     MC_PTR_FREE (panel->filter.value);
4738     mc_search_free (panel->filter.handler);
4739     panel->filter.handler = NULL;
4740 
4741     // NULL to clear filter
4742     if (filter != NULL)
4743         panel->filter = *filter;
4744 
4745     reread_cmd ();
4746 }
4747 
4748 /* --------------------------------------------------------------------------------------------- */
4749 
4750 /* Select current item and readjust the panel */
4751 void
4752 select_item (WPanel *panel)
     /*   */
4753 {
4754     adjust_top_file (panel);
4755 
4756     panel->dirty = TRUE;
4757 
4758     execute_hooks (select_file_hook);
4759 }
4760 
4761 /* --------------------------------------------------------------------------------------------- */
4762 /** Clears all files in the panel, used only when one file was marked */
4763 void
4764 unmark_files (WPanel *panel)
     /*   */
4765 {
4766     if (panel->marked != 0)
4767     {
4768         int i;
4769 
4770         for (i = 0; i < panel->dir.len; i++)
4771             file_mark (panel, i, 0);
4772 
4773         panel->dirs_marked = 0;
4774         panel->marked = 0;
4775         panel->total = 0;
4776     }
4777 }
4778 
4779 /* --------------------------------------------------------------------------------------------- */
4780 /** Recalculate the panels summary information, used e.g. when marked
4781    files might have been removed by an external command */
4782 
4783 void
4784 recalculate_panel_summary (WPanel *panel)
     /*   */
4785 {
4786     int i;
4787 
4788     panel->marked = 0;
4789     panel->dirs_marked = 0;
4790     panel->total = 0;
4791 
4792     for (i = 0; i < panel->dir.len; i++)
4793         if (panel->dir.list[i].f.marked != 0)
4794         {
4795             /* do_file_mark will return immediately if newmark == oldmark.
4796                So we have to first unmark it to get panel's summary information
4797                updated. (Norbert) */
4798             panel->dir.list[i].f.marked = 0;
4799             do_file_mark (panel, i, 1);
4800         }
4801 }
4802 
4803 /* --------------------------------------------------------------------------------------------- */
4804 /** This routine marks a file or a directory */
4805 
4806 void
4807 do_file_mark (WPanel *panel, int idx, int mark)
     /*   */
4808 {
4809     if (panel->dir.list[idx].f.marked == mark)
4810         return;
4811 
4812     // Only '..' can't be marked, '.' isn't visible
4813     if (DIR_IS_DOTDOT (panel->dir.list[idx].fname->str))
4814         return;
4815 
4816     file_mark (panel, idx, mark);
4817     if (panel->dir.list[idx].f.marked != 0)
4818     {
4819         panel->marked++;
4820 
4821         if (S_ISDIR (panel->dir.list[idx].st.st_mode))
4822         {
4823             if (panel->dir.list[idx].f.dir_size_computed != 0)
4824                 panel->total += (uintmax_t) panel->dir.list[idx].st.st_size;
4825             panel->dirs_marked++;
4826         }
4827         else
4828             panel->total += (uintmax_t) panel->dir.list[idx].st.st_size;
4829 
4830         set_colors (panel);
4831     }
4832     else
4833     {
4834         if (S_ISDIR (panel->dir.list[idx].st.st_mode))
4835         {
4836             if (panel->dir.list[idx].f.dir_size_computed != 0)
4837                 panel->total -= (uintmax_t) panel->dir.list[idx].st.st_size;
4838             panel->dirs_marked--;
4839         }
4840         else
4841             panel->total -= (uintmax_t) panel->dir.list[idx].st.st_size;
4842 
4843         panel->marked--;
4844     }
4845 }
4846 
4847 /* --------------------------------------------------------------------------------------------- */
4848 /**
4849  * Changes the current directory of the panel.
4850  * Record change in the directory history.
4851  */
4852 gboolean
4853 panel_do_cd (WPanel *panel, const vfs_path_t *new_dir_vpath, enum cd_enum cd_type)
     /*   */
4854 {
4855     gboolean r;
4856 
4857     r = panel_do_cd_int (panel, new_dir_vpath, cd_type);
4858     if (r)
4859         directory_history_add (panel, panel->cwd_vpath);
4860     return r;
4861 }
4862 
4863 /* --------------------------------------------------------------------------------------------- */
4864 
4865 void
4866 file_mark (WPanel *panel, int lc_index, int val)
     /*   */
4867 {
4868     if (panel->dir.list[lc_index].f.marked != val)
4869     {
4870         panel->dir.list[lc_index].f.marked = val;
4871         panel->dirty = TRUE;
4872     }
4873 }
4874 
4875 /* --------------------------------------------------------------------------------------------- */
4876 /**
4877  * Find marked file starting from the given position.
4878  *
4879  * @param panel WPanel object
4880  * @param curent_file a staring position to get current or search next marked file
4881  *
4882  * @return pointer to the name of find file or NULL if no file found or @current_file is out of
4883  * range
4884  */
4885 
4886 const GString *
4887 panel_find_marked_file (const WPanel *panel, int *current_file)
     /*   */
4888 {
4889     while (panel->dir.list[*current_file].f.marked == 0 && *current_file < panel->dir.len)
4890         (*current_file)++;
4891 
4892     return (*current_file >= panel->dir.len ? NULL : panel->dir.list[*current_file].fname);
4893 }
4894 
4895 /* --------------------------------------------------------------------------------------------- */
4896 /**
4897  * Get marked file clsest to the given position.
4898  *
4899  * @param panel WPanel object
4900  * @param curent_file a staring position to get current or closest next marked file. If there are
4901  *                    no marked files in @panel, @panel->current is used.
4902  *
4903  * @return pointer to the name of find file or NULL if no file found or @current_file is out of
4904  * range.
4905  */
4906 
4907 const GString *
4908 panel_get_marked_file (const WPanel *panel, int *current_file)
     /*   */
4909 {
4910     const file_entry_t *fe;
4911 
4912     if (panel->marked != 0)
4913         return panel_find_marked_file (panel, current_file);
4914 
4915     fe = panel_current_entry (panel);
4916 
4917     return (fe == NULL ? NULL : fe->fname);
4918 }
4919 
4920 /* --------------------------------------------------------------------------------------------- */
4921 
4922 void
4923 panel_re_sort (WPanel *panel)
     /*   */
4924 {
4925     char *filename;
4926     const file_entry_t *fe;
4927     int i;
4928 
4929     if (panel == NULL)
4930         return;
4931 
4932     fe = panel_current_entry (panel);
4933     if (fe == NULL)
4934         return;
4935 
4936     filename = g_strndup (fe->fname->str, fe->fname->len);
4937     unselect_item (panel);
4938     dir_list_sort (&panel->dir, panel->sort_field->sort_routine, &panel->sort_info);
4939     panel->current = -1;
4940 
4941     for (i = panel->dir.len; i != 0; i--)
4942         if (strcmp (panel->dir.list[i - 1].fname->str, filename) == 0)
4943         {
4944             panel->current = i - 1;
4945             break;
4946         }
4947 
4948     g_free (filename);
4949     panel->top = panel->current - panel_items (panel) / 2;
4950     select_item (panel);
4951     panel->dirty = TRUE;
4952 }
4953 
4954 /* --------------------------------------------------------------------------------------------- */
4955 
4956 void
4957 panel_set_sort_order (WPanel *panel, const panel_field_t *sort_order)
     /*   */
4958 {
4959     if (sort_order == NULL)
4960         return;
4961 
4962     panel->sort_field = sort_order;
4963 
4964     // The directory is already sorted, we have to load the unsorted stuff
4965     if (sort_order->sort_routine == (GCompareFunc) unsorted)
4966     {
4967         const file_entry_t *fe;
4968         char *current_file = NULL;
4969 
4970         fe = panel_current_entry (panel);
4971         if (fe != NULL)
4972             current_file = g_strndup (fe->fname->str, fe->fname->len);
4973         panel_reload (panel);
4974         panel_set_current_by_name (panel, current_file);
4975         g_free (current_file);
4976     }
4977     panel_re_sort (panel);
4978 }
4979 
4980 /* --------------------------------------------------------------------------------------------- */
4981 /**
4982  * Change panel encoding.
4983  * @param panel WPanel object
4984  */
4985 
4986 void
4987 panel_change_encoding (WPanel *panel)
     /*   */
4988 {
4989     const char *encoding = NULL;
4990     char *errmsg;
4991 
4992     const int r = select_charset (-1, -1, panel->codepage);
4993 
4994     if (r == SELECT_CHARSET_CANCEL)
4995         return;  // Cancel
4996 
4997     panel->codepage = r;
4998 
4999     if (panel->codepage == SELECT_CHARSET_NO_TRANSLATE)
5000     {
5001         // No translation
5002         vfs_path_t *cd_path_vpath;
5003 
5004         g_free (init_translation_table (mc_global.display_codepage, mc_global.display_codepage));
5005         cd_path_vpath = remove_encoding_from_path (panel->cwd_vpath);
5006         panel_do_cd (panel, cd_path_vpath, cd_parse_command);
5007         show_dir (panel);
5008         vfs_path_free (cd_path_vpath, TRUE);
5009         return;
5010     }
5011 
5012     errmsg = init_translation_table (panel->codepage, mc_global.display_codepage);
5013     if (errmsg != NULL)
5014     {
5015         message (D_ERROR, MSG_ERROR, "%s", errmsg);
5016         g_free (errmsg);
5017         return;
5018     }
5019 
5020     encoding = get_codepage_id (panel->codepage);
5021     if (encoding != NULL)
5022     {
5023         vfs_path_change_encoding (panel->cwd_vpath, encoding);
5024 
5025         if (!panel_do_cd (panel, panel->cwd_vpath, cd_parse_command))
5026             cd_error_message (vfs_path_as_str (panel->cwd_vpath));
5027     }
5028 }
5029 
5030 /* --------------------------------------------------------------------------------------------- */
5031 
5032 /**
5033  * Remove encode info from last path element.
5034  *
5035  */
5036 vfs_path_t *
5037 remove_encoding_from_path (const vfs_path_t *vpath)
     /*   */
5038 {
5039     vfs_path_t *ret_vpath;
5040     GString *tmp_conv;
5041     int indx;
5042 
5043     ret_vpath = vfs_path_new (FALSE);
5044 
5045     tmp_conv = g_string_new ("");
5046 
5047     for (indx = 0; indx < vfs_path_elements_count (vpath); indx++)
5048     {
5049         GIConv converter;
5050         vfs_path_element_t *path_element;
5051 
5052         path_element = vfs_path_element_clone (vfs_path_get_by_index (vpath, indx));
5053 
5054         if (path_element->encoding == NULL)
5055         {
5056             vfs_path_add_element (ret_vpath, path_element);
5057             continue;
5058         }
5059 
5060         converter = str_crt_conv_to (path_element->encoding);
5061         if (converter == INVALID_CONV)
5062         {
5063             vfs_path_add_element (ret_vpath, path_element);
5064             continue;
5065         }
5066 
5067         MC_PTR_FREE (path_element->encoding);
5068 
5069         str_vfs_convert_from (converter, path_element->path, tmp_conv);
5070 
5071         g_free (path_element->path);
5072         path_element->path = g_strndup (tmp_conv->str, tmp_conv->len);
5073 
5074         g_string_set_size (tmp_conv, 0);
5075 
5076         str_close_conv (converter);
5077         str_close_conv (path_element->dir.converter);
5078         path_element->dir.converter = INVALID_CONV;
5079         vfs_path_add_element (ret_vpath, path_element);
5080     }
5081     g_string_free (tmp_conv, TRUE);
5082     return ret_vpath;
5083 }
5084 
5085 /* --------------------------------------------------------------------------------------------- */
5086 
5087 /**
5088  * This routine reloads the directory in both panels. It tries to
5089  * select current_file in current_panel and other_file in other_panel.
5090  * If current_file == -1 then it automatically sets current_file and
5091  * other_file to the current files in the panels.
5092  *
5093  * If flags has the UP_ONLY_CURRENT bit toggled on, then it
5094  * will not reload the other panel.
5095  *
5096  * @param flags for reload panel
5097  * @param current_file name of the current file
5098  */
5099 
5100 void
5101 update_panels (panel_update_flags_t flags, const char *current_file)
     /*   */
5102 {
5103     WPanel *panel;
5104 
5105     // first, update other panel...
5106     if ((flags & UP_ONLY_CURRENT) == 0)
5107         update_one_panel (get_other_index (), flags, UP_KEEPSEL);
5108     // ...then current one
5109     update_one_panel (get_current_index (), flags, current_file);
5110 
5111     if (get_current_type () == view_listing)
5112         panel = PANEL (get_panel_widget (get_current_index ()));
5113     else
5114         panel = PANEL (get_panel_widget (get_other_index ()));
5115 
5116     if (!panel->is_panelized)
5117         (void) mc_chdir (panel->cwd_vpath);
5118 }
5119 
5120 /* --------------------------------------------------------------------------------------------- */
5121 
5122 gsize
5123 panel_get_num_of_sortable_fields (void)
     /*   */
5124 {
5125     gsize ret = 0, lc_index;
5126 
5127     for (lc_index = 0; panel_fields[lc_index].id != NULL; lc_index++)
5128         if (panel_fields[lc_index].is_user_choice)
5129             ret++;
5130     return ret;
5131 }
5132 
5133 /* --------------------------------------------------------------------------------------------- */
5134 
5135 char **
5136 panel_get_sortable_fields (gsize *array_size)
     /*   */
5137 {
5138     char **ret;
5139     gsize lc_index, i;
5140 
5141     lc_index = panel_get_num_of_sortable_fields ();
5142 
5143     ret = g_try_new0 (char *, lc_index + 1);
5144     if (ret == NULL)
5145         return NULL;
5146 
5147     if (array_size != NULL)
5148         *array_size = lc_index;
5149 
5150     lc_index = 0;
5151 
5152     for (i = 0; panel_fields[i].id != NULL; i++)
5153         if (panel_fields[i].is_user_choice)
5154             ret[lc_index++] = g_strdup (_ (panel_fields[i].title_hotkey));
5155 
5156     return ret;
5157 }
5158 
5159 /* --------------------------------------------------------------------------------------------- */
5160 
5161 const panel_field_t *
5162 panel_get_field_by_id (const char *name)
     /*   */
5163 {
5164     gsize lc_index;
5165 
5166     for (lc_index = 0; panel_fields[lc_index].id != NULL; lc_index++)
5167         if (panel_fields[lc_index].id != NULL && strcmp (name, panel_fields[lc_index].id) == 0)
5168             return &panel_fields[lc_index];
5169 
5170     return NULL;
5171 }
5172 
5173 /* --------------------------------------------------------------------------------------------- */
5174 
5175 const panel_field_t *
5176 panel_get_field_by_title_hotkey (const char *name)
     /*   */
5177 {
5178     gsize lc_index;
5179 
5180     for (lc_index = 0; panel_fields[lc_index].id != NULL; lc_index++)
5181         if (panel_fields[lc_index].title_hotkey != NULL
5182             && strcmp (name, _ (panel_fields[lc_index].title_hotkey)) == 0)
5183             return &panel_fields[lc_index];
5184 
5185     return NULL;
5186 }
5187 
5188 /* --------------------------------------------------------------------------------------------- */
5189 
5190 const panel_field_t *
5191 panel_get_field_by_title (const char *name)
     /*   */
5192 {
5193     gsize lc_index;
5194 
5195     for (lc_index = 0; panel_fields[lc_index].id != NULL; lc_index++)
5196     {
5197         const char *title;
5198 
5199         title = panel_get_title_without_hotkey (panel_fields[lc_index].title_hotkey);
5200         if (strcmp (title, name) == 0)
5201             return &panel_fields[lc_index];
5202     }
5203 
5204     return NULL;
5205 }
5206 
5207 /* --------------------------------------------------------------------------------------------- */
5208 
5209 gsize
5210 panel_get_num_of_user_possible_fields (void)
     /*   */
5211 {
5212     gsize ret = 0, lc_index;
5213 
5214     for (lc_index = 0; panel_fields[lc_index].id != NULL; lc_index++)
5215         if (panel_fields[lc_index].use_in_user_format)
5216             ret++;
5217 
5218     return ret;
5219 }
5220 
5221 /* --------------------------------------------------------------------------------------------- */
5222 
5223 char **
5224 panel_get_user_possible_fields (gsize *array_size)
     /*   */
5225 {
5226     char **ret;
5227     gsize lc_index, i;
5228 
5229     lc_index = panel_get_num_of_user_possible_fields ();
5230 
5231     ret = g_try_new0 (char *, lc_index + 1);
5232     if (ret == NULL)
5233         return NULL;
5234 
5235     if (array_size != NULL)
5236         *array_size = lc_index;
5237 
5238     lc_index = 0;
5239 
5240     for (i = 0; panel_fields[i].id != NULL; i++)
5241         if (panel_fields[i].use_in_user_format)
5242             ret[lc_index++] = g_strdup (_ (panel_fields[i].title_hotkey));
5243 
5244     return ret;
5245 }
5246 
5247 /* --------------------------------------------------------------------------------------------- */
5248 
5249 void
5250 panel_panelize_cd (void)
     /*   */
5251 {
5252     WPanel *panel;
5253     int i;
5254     dir_list *list;
5255     panelized_descr_t *pdescr;
5256     dir_list *plist;
5257     gboolean panelized_same;
5258 
5259     if (!SELECTED_IS_PANEL)
5260         create_panel (MENU_PANEL_IDX, view_listing);
5261 
5262     panel = PANEL (get_panel_widget (MENU_PANEL_IDX));
5263 
5264     dir_list_clean (&panel->dir);
5265 
5266     if (panel->panelized_descr == NULL)
5267         panel->panelized_descr = panelized_descr_new ();
5268 
5269     pdescr = panel->panelized_descr;
5270     plist = &pdescr->list;
5271 
5272     if (pdescr->root_vpath == NULL)
5273         panel_panelize_change_root (panel, panel->cwd_vpath);
5274 
5275     if (plist->len < 1)
5276         dir_list_init (plist);
5277     else if (plist->len > panel->dir.size)
5278         dir_list_grow (&panel->dir, plist->len - panel->dir.size);
5279 
5280     list = &panel->dir;
5281     list->len = plist->len;
5282 
5283     panelized_same = vfs_path_equal (pdescr->root_vpath, panel->cwd_vpath);
5284 
5285     for (i = 0; i < plist->len; i++)
5286     {
5287         if (panelized_same || DIR_IS_DOTDOT (plist->list[i].fname->str))
5288             list->list[i].fname = mc_g_string_dup (plist->list[i].fname);
5289         else
5290         {
5291             vfs_path_t *tmp_vpath;
5292 
5293             tmp_vpath =
5294                 vfs_path_append_new (pdescr->root_vpath, plist->list[i].fname->str, (char *) NULL);
5295             list->list[i].fname = g_string_new_take (vfs_path_free (tmp_vpath, FALSE));
5296         }
5297         list->list[i].f.link_to_dir = plist->list[i].f.link_to_dir;
5298         list->list[i].f.stale_link = plist->list[i].f.stale_link;
5299         list->list[i].f.dir_size_computed = plist->list[i].f.dir_size_computed;
5300         list->list[i].f.marked = plist->list[i].f.marked;
5301         list->list[i].st = plist->list[i].st;
5302         list->list[i].name_sort_key = plist->list[i].name_sort_key;
5303         list->list[i].extension_sort_key = plist->list[i].extension_sort_key;
5304     }
5305 
5306     panel->is_panelized = TRUE;
5307     panel_panelize_absolutize_if_needed (panel);
5308 
5309     panel_set_current_by_name (panel, NULL);
5310 }
5311 
5312 /* --------------------------------------------------------------------------------------------- */
5313 
5314 /**
5315  * Change root directory of panelized content.
5316  * @param panel file panel
5317  * @param new_root new path
5318  */
5319 void
5320 panel_panelize_change_root (WPanel *panel, const vfs_path_t *new_root)
     /*   */
5321 {
5322     if (panel->panelized_descr == NULL)
5323         panel->panelized_descr = panelized_descr_new ();
5324     else
5325         vfs_path_free (panel->panelized_descr->root_vpath, TRUE);
5326 
5327     panel->panelized_descr->root_vpath = vfs_path_clone (new_root);
5328 }
5329 
5330 /* --------------------------------------------------------------------------------------------- */
5331 
5332 /**
5333  * Conditionally switches a panel's directory to "/" (root).
5334  *
5335  * If a panelized panel's listing contain absolute paths, this function
5336  * sets the panel's directory to "/". Otherwise it does nothing.
5337  *
5338  * Rationale:
5339  *
5340  * This makes tokenized strings like "%d/%p" work. This also makes other
5341  * places work where such naive concatenation is done in code (e.g., when
5342  * pressing ctrl+shift+enter, for CK_PutCurrentFullSelected).
5343  *
5344  * When to call:
5345  *
5346  * You should always call this function after you populate the listing
5347  * of a panelized panel.
5348  */
5349 void
5350 panel_panelize_absolutize_if_needed (WPanel *panel)
     /*   */
5351 {
5352     const dir_list *const list = &panel->dir;
5353 
5354     /* Note: We don't support mixing of absolute and relative paths, which is
5355      * why it's ok for us to check only the 1st entry. */
5356     if (list->len > 1 && g_path_is_absolute (list->list[1].fname->str))
5357     {
5358         vfs_path_t *root;
5359 
5360         root = vfs_path_from_str (PATH_SEP_STR);
5361         panel_set_cwd (panel, root);
5362         if (panel == current_panel)
5363             mc_chdir (root);
5364         vfs_path_free (root, TRUE);
5365     }
5366 }
5367 
5368 /* --------------------------------------------------------------------------------------------- */
5369 
5370 void
5371 panel_panelize_save (WPanel *panel)
     /*   */
5372 {
5373     int i;
5374     dir_list *list = &panel->dir;
5375     dir_list *plist;
5376 
5377     panel_panelize_change_root (panel, panel->cwd_vpath);
5378 
5379     plist = &panel->panelized_descr->list;
5380 
5381     if (plist->len > 0)
5382         dir_list_clean (plist);
5383     if (panel->dir.len == 0)
5384         return;
5385 
5386     if (panel->dir.len > plist->size)
5387         dir_list_grow (plist, panel->dir.len - plist->size);
5388     plist->len = panel->dir.len;
5389 
5390     for (i = 0; i < panel->dir.len; i++)
5391     {
5392         plist->list[i].fname = mc_g_string_dup (list->list[i].fname);
5393         plist->list[i].f.link_to_dir = list->list[i].f.link_to_dir;
5394         plist->list[i].f.stale_link = list->list[i].f.stale_link;
5395         plist->list[i].f.dir_size_computed = list->list[i].f.dir_size_computed;
5396         plist->list[i].f.marked = list->list[i].f.marked;
5397         plist->list[i].st = list->list[i].st;
5398         plist->list[i].name_sort_key = list->list[i].name_sort_key;
5399         plist->list[i].extension_sort_key = list->list[i].extension_sort_key;
5400     }
5401 }
5402 
5403 /* --------------------------------------------------------------------------------------------- */
5404 
5405 void
5406 panel_init (void)
     /*   */
5407 {
5408     panel_sort_up_char = mc_skin_get ("widget-panel", "sort-up-char", "'");
5409     panel_sort_down_char = mc_skin_get ("widget-panel", "sort-down-char", ".");
5410     panel_hiddenfiles_show_char = mc_skin_get ("widget-panel", "hiddenfiles-show-char", ".");
5411     panel_hiddenfiles_hide_char = mc_skin_get ("widget-panel", "hiddenfiles-hide-char", ".");
5412     panel_history_prev_item_char = mc_skin_get ("widget-panel", "history-prev-item-char", "<");
5413     panel_history_next_item_char = mc_skin_get ("widget-panel", "history-next-item-char", ">");
5414     panel_history_show_list_char = mc_skin_get ("widget-panel", "history-show-list-char", "^");
5415     panel_filename_scroll_left_char =
5416         mc_skin_get ("widget-panel", "filename-scroll-left-char", "{");
5417     panel_filename_scroll_right_char =
5418         mc_skin_get ("widget-panel", "filename-scroll-right-char", "}");
5419 
5420     string_file_name_buffer = g_string_sized_new (MC_MAXFILENAMELEN);
5421 
5422     mc_event_add (MCEVENT_GROUP_FILEMANAGER, "update_panels", event_update_panels, NULL, NULL);
5423     mc_event_add (MCEVENT_GROUP_FILEMANAGER, "panel_save_current_file_to_clip_file",
5424                   panel_save_current_file_to_clip_file, NULL, NULL);
5425 }
5426 
5427 /* --------------------------------------------------------------------------------------------- */
5428 
5429 void
5430 panel_deinit (void)
     /*   */
5431 {
5432     g_free (panel_sort_up_char);
5433     g_free (panel_sort_down_char);
5434     g_free (panel_hiddenfiles_show_char);
5435     g_free (panel_hiddenfiles_hide_char);
5436     g_free (panel_history_prev_item_char);
5437     g_free (panel_history_next_item_char);
5438     g_free (panel_history_show_list_char);
5439     g_free (panel_filename_scroll_left_char);
5440     g_free (panel_filename_scroll_right_char);
5441     g_string_free (string_file_name_buffer, TRUE);
5442 }
5443 
5444 /* --------------------------------------------------------------------------------------------- */
5445 
5446 gboolean
5447 panel_cd (WPanel *panel, const vfs_path_t *new_dir_vpath, enum cd_enum exact)
     /*   */
5448 {
5449     gboolean res;
5450     const vfs_path_t *_new_dir_vpath = new_dir_vpath;
5451 
5452     if (panel->is_panelized)
5453     {
5454         size_t new_vpath_len;
5455 
5456         new_vpath_len = vfs_path_len (new_dir_vpath);
5457         if (vfs_path_equal_len (new_dir_vpath, panel->panelized_descr->root_vpath, new_vpath_len))
5458             _new_dir_vpath = panel->panelized_descr->root_vpath;
5459     }
5460 
5461     res = panel_do_cd (panel, _new_dir_vpath, exact);
5462 
5463     if (res)
5464     {
5465         const vfs_path_element_t *path_element;
5466 
5467         path_element = vfs_path_get_by_index (panel->cwd_vpath, -1);
5468         if (path_element->encoding != NULL)
5469             panel->codepage = get_codepage_index (path_element->encoding);
5470         else
5471             panel->codepage = SELECT_CHARSET_NO_TRANSLATE;
5472     }
5473 
5474     return res;
5475 }
5476 
5477 /* --------------------------------------------------------------------------------------------- */
/* */
root/src/filemanager/panel.c

DEFINITIONS
