src/filemanager/layout.c

   1 /*
   2    Panel layout module for the Midnight Commander
   3
   4    Copyright (C) 1995-2024
   5    Free Software Foundation, Inc.
   6
   7    Written by:
   8    Janne Kukonlehto, 1995
   9    Miguel de Icaza, 1995
  10    Andrew Borodin <aborodin@vmail.ru>, 2011-2022
  11    Slava Zanko <slavazanko@gmail.com>, 2013
  12    Avi Kelman <patcherton.fixesthings@gmail.com>, 2013
  13
  14    This file is part of the Midnight Commander.
  15
  16    The Midnight Commander is free software: you can redistribute it
  17    and/or modify it under the terms of the GNU General Public License as
  18    published by the Free Software Foundation, either version 3 of the License,
  19    or (at your option) any later version.
  20
  21    The Midnight Commander is distributed in the hope that it will be useful,
  22    but WITHOUT ANY WARRANTY; without even the implied warranty of
  23    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24    GNU General Public License for more details.
  25
  26    You should have received a copy of the GNU General Public License
  27    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  28  */
  29
  30 /** \file layout.c
  31  *  \brief Source: panel layout module
  32  */
  33
  34 #include <config.h>
  35
  36 #include <pwd.h>                /* for username in xterm title */
  37 #include <stdlib.h>
  38 #include <stdio.h>
  39 #include <string.h>
  40 #include <sys/types.h>
  41 #include <unistd.h>
  42
  43 #include "lib/global.h"
  44 #include "lib/tty/tty.h"
  45 #include "lib/skin.h"
  46 #include "lib/tty/key.h"
  47 #include "lib/tty/mouse.h"
  48 #include "lib/mcconfig.h"
  49 #include "lib/vfs/vfs.h"        /* vfs_get_cwd () */
  50 #include "lib/strutil.h"
  51 #include "lib/widget.h"
  52 #include "lib/event.h"
  53 #include "lib/util.h"           /* mc_time_elapsed() */
  54
  55 #include "src/consaver/cons.saver.h"
  56 #include "src/viewer/mcviewer.h"        /* The view widget */
  57 #include "src/setup.h"
  58 #ifdef ENABLE_SUBSHELL
  59 #include "src/subshell/subshell.h"
  60 #endif
  61
  62 #include "command.h"
  63 #include "filemanager.h"
  64 #include "tree.h"
  65 /* Needed for the extern declarations of integer parameters */
  66 #include "dir.h"
  67 #include "layout.h"
  68 #include "info.h"               /* The Info widget */
  69
  70 /*** global variables ****************************************************************************/
  71
  72 panels_layout_t panels_layout = {
  73     /* Set if the panels are split horizontally */
  74     .horizontal_split = FALSE,
  75
  76     /* vertical split */
  77     .vertical_equal = TRUE,
  78     .left_panel_size = 0,
  79
  80     /* horizontal split */
  81     .horizontal_equal = TRUE,
  82     .top_panel_size = 0
  83 };
  84
  85 /* Controls the display of the rotating dash on the verbose mode */
  86 gboolean nice_rotating_dash = TRUE;
  87
  88 /* The number of output lines shown (if available) */
  89 int output_lines = 0;
  90
  91 /* Set if the command prompt is to be displayed */
  92 gboolean command_prompt = TRUE;
  93
  94 /* Set if the main menu is visible */
  95 gboolean menubar_visible = TRUE;
  96
  97 /* Set to show current working dir in xterm window title */
  98 gboolean xterm_title = TRUE;
  99
 100 /* Set to show free space on device assigned to current directory */
 101 gboolean free_space = TRUE;
 102
 103 /* The starting line for the output of the subprogram */
 104 int output_start_y = 0;
 105
 106 int ok_to_refresh = 1;
 107
 108 /*** file scope macro definitions ****************************************************************/
 109
 110 /* The maximum number of views managed by the create_panel routine */
 111 /* Must be at least two (for current and other).  Please note that until */
 112 /* Janne gets around this, we will only manage two of them :-) */
 113 #define MAX_VIEWS 2
 114
 115 /* Width 12 for a wee Quick (Hex) View */
 116 #define MINWIDTH 12
 117 #define MINHEIGHT 5
 118
 119 #define B_2LEFT B_USER
 120 #define B_2RIGHT (B_USER + 1)
 121 #define B_PLUS (B_USER + 2)
 122 #define B_MINUS (B_USER + 3)
 123
 124 #define LAYOUT_OPTIONS_COUNT  G_N_ELEMENTS (check_options)
 125
 126 /*** file scope type declarations ****************************************************************/
 127
 128 typedef struct
 129 {
 130     gboolean menubar_visible;
 131     gboolean command_prompt;
 132     gboolean keybar_visible;
 133     gboolean message_visible;
 134     gboolean xterm_title;
 135     gboolean free_space;
 136     int output_lines;
 137 } layout_t;
 138
 139 /*** forward declarations (file scope functions) *************************************************/
 140
 141 /*** file scope variables ************************************************************************/
 142
 143 static struct
 144 {
 145     panel_view_mode_t type;
 146     Widget *widget;
 147     char *last_saved_dir;       /* last view_list working directory */
 148 } panels[MAX_VIEWS] = {
 149     /* *INDENT-OFF* */
 150     /* init MAX_VIEWS items */
 151     { view_listing, NULL, NULL},
 152     { view_listing, NULL, NULL}
 153     /* *INDENT-ON* */
 154 };
 155
 156 static layout_t old_layout;
 157 static panels_layout_t old_panels_layout;
 158
 159 static gboolean equal_split;
 160 static int _output_lines;
 161
 162 static int height;
 163
 164 static WRadio *radio_widget;
 165
 166 static struct
 167 {
 168     const char *text;
 169     gboolean *variable;
 170     WCheck *widget;
 171 } check_options[] = {
 172     /* *INDENT-OFF* */
 173     { N_("&Equal split"), &equal_split, NULL },
 174     { N_("&Menubar visible"), &menubar_visible, NULL },
 175     { N_("Command &prompt"), &command_prompt, NULL },
 176     { N_("&Keybar visible"), &mc_global.keybar_visible, NULL },
 177     { N_("H&intbar visible"), &mc_global.message_visible, NULL },
 178     { N_("&XTerm window title"), &xterm_title, NULL },
 179     { N_("&Show free space"), &free_space, NULL }
 180     /* *INDENT-ON* */
 181 };
 182
 183 static const char *output_lines_label = NULL;
 184 static int output_lines_label_len;
 185
 186 static WButton *bleft_widget, *bright_widget;
 187
 188 /* --------------------------------------------------------------------------------------------- */
 189 /*** file scope functions ************************************************************************/
 190 /* --------------------------------------------------------------------------------------------- */
 191
 192 /* don't use max() macro to avoid double call of str_term_width1() in widget width calculation */
 193 #undef max
 194
 195 static int
 196 max (int a, int b)
 197 {
 198     return a > b ? a : b;
 199 }
 200
 201 /* --------------------------------------------------------------------------------------------- */
 202
 203 static void
 204 check_split (panels_layout_t *layout)
 205 {
 206     if (layout->horizontal_split)
 207     {
 208         if (layout->horizontal_equal)
 209             layout->top_panel_size = height / 2;
 210         else if (layout->top_panel_size < MINHEIGHT)
 211             layout->top_panel_size = MINHEIGHT;
 212         else if (layout->top_panel_size > height - MINHEIGHT)
 213             layout->top_panel_size = height - MINHEIGHT;
 214     }
 215     else
 216     {
 217         int md_cols = CONST_WIDGET (filemanager)->rect.cols;
 218
 219         if (layout->vertical_equal)
 220             layout->left_panel_size = md_cols / 2;
 221         else if (layout->left_panel_size < MINWIDTH)
 222             layout->left_panel_size = MINWIDTH;
 223         else if (layout->left_panel_size > md_cols - MINWIDTH)
 224             layout->left_panel_size = md_cols - MINWIDTH;
 225     }
 226 }
 227
 228 /* --------------------------------------------------------------------------------------------- */
 229
 230 static void
 231 update_split (const WDialog *h)
 232 {
 233     /* Check split has to be done before testing if it changed, since
 234        it can change due to calling check_split() as well */
 235     check_split (&panels_layout);
 236
 237     if (panels_layout.horizontal_split)
 238         check_options[0].widget->state = panels_layout.horizontal_equal;
 239     else
 240         check_options[0].widget->state = panels_layout.vertical_equal;
 241     widget_draw (WIDGET (check_options[0].widget));
 242
 243     tty_setcolor (check_options[0].widget->state ? DISABLED_COLOR : COLOR_NORMAL);
 244
 245     widget_gotoyx (h, 6, 5);
 246     if (panels_layout.horizontal_split)
 247         tty_printf ("%03d", panels_layout.top_panel_size);
 248     else
 249         tty_printf ("%03d", panels_layout.left_panel_size);
 250
 251     widget_gotoyx (h, 6, 17);
 252     if (panels_layout.horizontal_split)
 253         tty_printf ("%03d", height - panels_layout.top_panel_size);
 254     else
 255         tty_printf ("%03d", CONST_WIDGET (filemanager)->rect.cols - panels_layout.left_panel_size);
 256
 257     widget_gotoyx (h, 6, 12);
 258     tty_print_char ('=');
 259 }
 260
 261 /* --------------------------------------------------------------------------------------------- */
 262
 263 static int
 264 b_left_right_cback (WButton *button, int action)
 265 {
 266     (void) action;
 267
 268     if (button == bright_widget)
 269     {
 270         if (panels_layout.horizontal_split)
 271             panels_layout.top_panel_size++;
 272         else
 273             panels_layout.left_panel_size++;
 274     }
 275     else
 276     {
 277         if (panels_layout.horizontal_split)
 278             panels_layout.top_panel_size--;
 279         else
 280             panels_layout.left_panel_size--;
 281     }
 282
 283     update_split (DIALOG (WIDGET (button)->owner));
 284     layout_change ();
 285     do_refresh ();
 286     return 0;
 287 }
 288
 289 /* --------------------------------------------------------------------------------------------- */
 290
 291 static int
 292 bplus_cback (WButton *button, int action)
 293 {
 294     (void) button;
 295     (void) action;
 296
 297     if (_output_lines < 99)
 298         _output_lines++;
 299     return 0;
 300 }
 301
 302 /* --------------------------------------------------------------------------------------------- */
 303
 304 static int
 305 bminus_cback (WButton *button, int action)
 306 {
 307     (void) button;
 308     (void) action;
 309
 310     if (_output_lines > 0)
 311         _output_lines--;
 312     return 0;
 313 }
 314
 315 /* --------------------------------------------------------------------------------------------- */
 316
 317 static cb_ret_t
 318 layout_bg_callback (Widget *w, Widget *sender, widget_msg_t msg, int parm, void *data)
 319 {
 320     switch (msg)
 321     {
 322     case MSG_DRAW:
 323         frame_callback (w, NULL, MSG_DRAW, 0, NULL);
 324
 325         old_layout.output_lines = -1;
 326
 327         update_split (DIALOG (w->owner));
 328
 329         if (old_layout.output_lines != _output_lines)
 330         {
 331             old_layout.output_lines = _output_lines;
 332             tty_setcolor (mc_global.tty.console_flag != '\0' ? COLOR_NORMAL : DISABLED_COLOR);
 333             widget_gotoyx (w, 9, 5);
 334             tty_print_string (output_lines_label);
 335             widget_gotoyx (w, 9, 5 + 3 + output_lines_label_len);
 336             tty_printf ("%02d", _output_lines);
 337         }
 338         return MSG_HANDLED;
 339
 340     default:
 341         return frame_callback (w, sender, msg, parm, data);
 342     }
 343 }
 344
 345 /* --------------------------------------------------------------------------------------------- */
 346
 347 static cb_ret_t
 348 layout_callback (Widget *w, Widget *sender, widget_msg_t msg, int parm, void *data)
 349 {
 350     WDialog *h = DIALOG (w);
 351
 352     switch (msg)
 353     {
 354     case MSG_POST_KEY:
 355         {
 356             const Widget *mw = CONST_WIDGET (filemanager);
 357             gboolean _menubar_visible, _command_prompt, _keybar_visible, _message_visible;
 358
 359             _menubar_visible = check_options[1].widget->state;
 360             _command_prompt = check_options[2].widget->state;
 361             _keybar_visible = check_options[3].widget->state;
 362             _message_visible = check_options[4].widget->state;
 363
 364             if (mc_global.tty.console_flag == '\0')
 365                 height =
 366                     mw->rect.lines - (_keybar_visible ? 1 : 0) - (_command_prompt ? 1 : 0) -
 367                     (_menubar_visible ? 1 : 0) - _output_lines - (_message_visible ? 1 : 0);
 368             else
 369             {
 370                 int minimum;
 371
 372                 if (_output_lines < 0)
 373                     _output_lines = 0;
 374                 height =
 375                     mw->rect.lines - (_keybar_visible ? 1 : 0) - (_command_prompt ? 1 : 0) -
 376                     (_menubar_visible ? 1 : 0) - _output_lines - (_message_visible ? 1 : 0);
 377                 minimum = MINHEIGHT * (1 + (panels_layout.horizontal_split ? 1 : 0));
 378                 if (height < minimum)
 379                 {
 380                     _output_lines -= minimum - height;
 381                     height = minimum;
 382                 }
 383             }
 384
 385             if (old_layout.output_lines != _output_lines)
 386             {
 387                 old_layout.output_lines = _output_lines;
 388                 tty_setcolor (mc_global.tty.console_flag != '\0' ? COLOR_NORMAL : DISABLED_COLOR);
 389                 widget_gotoyx (h, 9, 5 + 3 + output_lines_label_len);
 390                 tty_printf ("%02d", _output_lines);
 391             }
 392         }
 393         return MSG_HANDLED;
 394
 395     case MSG_NOTIFY:
 396         if (sender == WIDGET (radio_widget))
 397         {
 398             if ((panels_layout.horizontal_split ? 1 : 0) == radio_widget->sel)
 399                 update_split (h);
 400             else
 401             {
 402                 int eq;
 403
 404                 panels_layout.horizontal_split = radio_widget->sel != 0;
 405
 406                 if (panels_layout.horizontal_split)
 407                 {
 408                     eq = panels_layout.horizontal_equal;
 409                     if (eq)
 410                         panels_layout.top_panel_size = height / 2;
 411                 }
 412                 else
 413                 {
 414                     eq = panels_layout.vertical_equal;
 415                     if (eq)
 416                         panels_layout.left_panel_size = CONST_WIDGET (filemanager)->rect.cols / 2;
 417                 }
 418
 419                 widget_disable (WIDGET (bleft_widget), eq);
 420                 widget_disable (WIDGET (bright_widget), eq);
 421
 422                 update_split (h);
 423                 layout_change ();
 424                 do_refresh ();
 425             }
 426
 427             return MSG_HANDLED;
 428         }
 429
 430         if (sender == WIDGET (check_options[0].widget))
 431         {
 432             gboolean eq;
 433
 434             if (panels_layout.horizontal_split)
 435             {
 436                 panels_layout.horizontal_equal = check_options[0].widget->state;
 437                 eq = panels_layout.horizontal_equal;
 438             }
 439             else
 440             {
 441                 panels_layout.vertical_equal = check_options[0].widget->state;
 442                 eq = panels_layout.vertical_equal;
 443             }
 444
 445             widget_disable (WIDGET (bleft_widget), eq);
 446             widget_disable (WIDGET (bright_widget), eq);
 447
 448             update_split (h);
 449             layout_change ();
 450             do_refresh ();
 451
 452             return MSG_HANDLED;
 453         }
 454
 455         {
 456             gboolean ok = TRUE;
 457
 458             if (sender == WIDGET (check_options[1].widget))
 459                 menubar_visible = check_options[1].widget->state;
 460             else if (sender == WIDGET (check_options[2].widget))
 461                 command_prompt = check_options[2].widget->state;
 462             else if (sender == WIDGET (check_options[3].widget))
 463                 mc_global.keybar_visible = check_options[3].widget->state;
 464             else if (sender == WIDGET (check_options[4].widget))
 465                 mc_global.message_visible = check_options[4].widget->state;
 466             else if (sender == WIDGET (check_options[5].widget))
 467                 xterm_title = check_options[5].widget->state;
 468             else if (sender == WIDGET (check_options[6].widget))
 469                 free_space = check_options[6].widget->state;
 470             else
 471                 ok = FALSE;
 472
 473             if (ok)
 474             {
 475                 update_split (h);
 476                 layout_change ();
 477                 do_refresh ();
 478                 return MSG_HANDLED;
 479             }
 480         }
 481
 482         return MSG_NOT_HANDLED;
 483
 484     default:
 485         return dlg_default_callback (w, sender, msg, parm, data);
 486     }
 487 }
 488
 489 /* --------------------------------------------------------------------------------------------- */
 490
 491 static WDialog *
 492 layout_dlg_create (void)
 493 {
 494     WDialog *layout_dlg;
 495     WGroup *g;
 496     int l1 = 0, width;
 497     int b1, b2, b;
 498     size_t i;
 499
 500     const char *title1 = N_("Panel split");
 501     const char *title2 = N_("Console output");
 502     const char *title3 = N_("Other options");
 503
 504     const char *s_split_direction[2] = {
 505         N_("&Vertical"),
 506         N_("&Horizontal")
 507     };
 508
 509     const char *ok_button = N_("&OK");
 510     const char *cancel_button = N_("&Cancel");
 511
 512     output_lines_label = _("Output lines:");
 513
 514 #ifdef ENABLE_NLS
 515     {
 516         static gboolean i18n = FALSE;
 517
 518         title1 = _(title1);
 519         title2 = _(title2);
 520         title3 = _(title3);
 521
 522         i = G_N_ELEMENTS (s_split_direction);
 523         while (i-- != 0)
 524             s_split_direction[i] = _(s_split_direction[i]);
 525
 526         if (!i18n)
 527         {
 528             for (i = 0; i < (size_t) LAYOUT_OPTIONS_COUNT; i++)
 529                 check_options[i].text = _(check_options[i].text);
 530             i18n = TRUE;
 531         }
 532
 533         ok_button = _(ok_button);
 534         cancel_button = _(cancel_button);
 535     }
 536 #endif
 537
 538     /* radiobuttons */
 539     i = G_N_ELEMENTS (s_split_direction);
 540     while (i-- != 0)
 541         l1 = max (l1, str_term_width1 (s_split_direction[i]) + 7);
 542     /* checkboxes */
 543     for (i = 0; i < (size_t) LAYOUT_OPTIONS_COUNT; i++)
 544         l1 = max (l1, str_term_width1 (check_options[i].text) + 7);
 545     /* groupboxes */
 546     l1 = max (l1, str_term_width1 (title1) + 4);
 547     l1 = max (l1, str_term_width1 (title2) + 4);
 548     l1 = max (l1, str_term_width1 (title3) + 4);
 549     /* label + "+"/"-" buttons */
 550     output_lines_label_len = str_term_width1 (output_lines_label);
 551     l1 = max (l1, output_lines_label_len + 12);
 552     /* buttons */
 553     b1 = str_term_width1 (ok_button) + 5;       /* default button */
 554     b2 = str_term_width1 (cancel_button) + 3;
 555     b = b1 + b2 + 1;
 556     /* dialog width */
 557     width = max (l1 * 2 + 7, b);
 558
 559     layout_dlg =
 560         dlg_create (TRUE, 0, 0, 15, width, WPOS_CENTER, FALSE, dialog_colors, layout_callback, NULL,
 561                     "[Layout]", _("Layout"));
 562     g = GROUP (layout_dlg);
 563
 564     /* draw background */
 565     layout_dlg->bg->callback = layout_bg_callback;
 566
 567 #define XTRACT(i) (*check_options[i].variable != 0), check_options[i].text
 568
 569     /* "Panel split" groupbox */
 570     group_add_widget (g, groupbox_new (2, 3, 6, l1, title1));
 571
 572     radio_widget = radio_new (3, 5, 2, s_split_direction);
 573     radio_widget->sel = panels_layout.horizontal_split ? 1 : 0;
 574     group_add_widget (g, radio_widget);
 575
 576     check_options[0].widget = check_new (5, 5, XTRACT (0));
 577     group_add_widget (g, check_options[0].widget);
 578
 579     equal_split = panels_layout.horizontal_split ?
 580         panels_layout.horizontal_equal : panels_layout.vertical_equal;
 581
 582     bleft_widget = button_new (6, 8, B_2LEFT, NARROW_BUTTON, "&<", b_left_right_cback);
 583     widget_disable (WIDGET (bleft_widget), equal_split);
 584     group_add_widget (g, bleft_widget);
 585
 586     bright_widget = button_new (6, 14, B_2RIGHT, NARROW_BUTTON, "&>", b_left_right_cback);
 587     widget_disable (WIDGET (bright_widget), equal_split);
 588     group_add_widget (g, bright_widget);
 589
 590     /* "Console output" groupbox */
 591     {
 592         widget_state_t disabled;
 593         Widget *w;
 594
 595         disabled = mc_global.tty.console_flag != '\0' ? 0 : WST_DISABLED;
 596
 597         w = WIDGET (groupbox_new (8, 3, 3, l1, title2));
 598         w->state |= disabled;
 599         group_add_widget (g, w);
 600
 601         w = WIDGET (button_new (9, output_lines_label_len + 5, B_PLUS,
 602                                 NARROW_BUTTON, "&+", bplus_cback));
 603         w->state |= disabled;
 604         group_add_widget (g, w);
 605
 606         w = WIDGET (button_new (9, output_lines_label_len + 5 + 5, B_MINUS,
 607                                 NARROW_BUTTON, "&-", bminus_cback));
 608         w->state |= disabled;
 609         group_add_widget (g, w);
 610     }
 611
 612     /* "Other options" groupbox */
 613     group_add_widget (g, groupbox_new (2, 4 + l1, 9, l1, title3));
 614
 615     for (i = 1; i < (size_t) LAYOUT_OPTIONS_COUNT; i++)
 616     {
 617         check_options[i].widget = check_new (i + 2, 6 + l1, XTRACT (i));
 618         group_add_widget (g, check_options[i].widget);
 619     }
 620
 621 #undef XTRACT
 622
 623     group_add_widget (g, hline_new (11, -1, -1));
 624     /* buttons */
 625     group_add_widget (g, button_new (12, (width - b) / 2, B_ENTER, DEFPUSH_BUTTON, ok_button, 0));
 626     group_add_widget (g,
 627                       button_new (12, (width - b) / 2 + b1 + 1, B_CANCEL, NORMAL_BUTTON,
 628                                   cancel_button, 0));
 629
 630     widget_select (WIDGET (radio_widget));
 631
 632     return layout_dlg;
 633 }
 634
 635 /* --------------------------------------------------------------------------------------------- */
 636
 637 static void
 638 panel_do_cols (int idx)
 639 {
 640     if (get_panel_type (idx) == view_listing)
 641         set_panel_formats (PANEL (panels[idx].widget));
 642     else
 643         panel_update_cols (panels[idx].widget, frame_half);
 644 }
 645
 646 /* --------------------------------------------------------------------------------------------- */
 647 /** Save current list_view widget directory into panel */
 648
 649 static Widget *
 650 restore_into_right_dir_panel (int idx, gboolean last_was_panel, const WRect *r)
 651 {
 652     WPanel *new_widget;
 653     const char *p_name;
 654
 655     p_name = get_nth_panel_name (idx);
 656
 657     if (last_was_panel)
 658     {
 659         vfs_path_t *saved_dir_vpath;
 660
 661         saved_dir_vpath = vfs_path_from_str (panels[idx].last_saved_dir);
 662         new_widget = panel_sized_with_dir_new (p_name, r, saved_dir_vpath);
 663         vfs_path_free (saved_dir_vpath, TRUE);
 664     }
 665     else
 666         new_widget = panel_sized_new (p_name, r);
 667
 668     return WIDGET (new_widget);
 669 }
 670
 671 /* --------------------------------------------------------------------------------------------- */
 672
 673 static void
 674 layout_save (void)
 675 {
 676     old_layout.menubar_visible = menubar_visible;
 677     old_layout.command_prompt = command_prompt;
 678     old_layout.keybar_visible = mc_global.keybar_visible;
 679     old_layout.message_visible = mc_global.message_visible;
 680     old_layout.xterm_title = xterm_title;
 681     old_layout.free_space = free_space;
 682     old_layout.output_lines = -1;
 683
 684     _output_lines = output_lines;
 685
 686     old_panels_layout = panels_layout;
 687 }
 688
 689 /* --------------------------------------------------------------------------------------------- */
 690
 691 static void
 692 layout_restore (void)
 693 {
 694     menubar_visible = old_layout.menubar_visible;
 695     command_prompt = old_layout.command_prompt;
 696     mc_global.keybar_visible = old_layout.keybar_visible;
 697     mc_global.message_visible = old_layout.message_visible;
 698     xterm_title = old_layout.xterm_title;
 699     free_space = old_layout.free_space;
 700     output_lines = old_layout.output_lines;
 701
 702     panels_layout = old_panels_layout;
 703 }
 704
 705 /* --------------------------------------------------------------------------------------------- */
 706 /*** public functions ****************************************************************************/
 707 /* --------------------------------------------------------------------------------------------- */
 708
 709 void
 710 layout_change (void)
 711 {
 712     setup_panels ();
 713     /* update the main menu, because perhaps there was a change in the way
 714        how the panel are split (horizontal/vertical),
 715        and a change of menu visibility. */
 716     update_menu ();
 717     load_hint (TRUE);
 718 }
 719
 720 /* --------------------------------------------------------------------------------------------- */
 721
 722 void
 723 layout_box (void)
 724 {
 725     WDialog *layout_dlg;
 726
 727     layout_save ();
 728
 729     layout_dlg = layout_dlg_create ();
 730
 731     if (dlg_run (layout_dlg) == B_ENTER)
 732     {
 733         size_t i;
 734
 735         for (i = 0; i < (size_t) LAYOUT_OPTIONS_COUNT; i++)
 736             if (check_options[i].widget != NULL)
 737                 *check_options[i].variable = check_options[i].widget->state;
 738
 739         output_lines = _output_lines;
 740     }
 741     else
 742         layout_restore ();
 743
 744     widget_destroy (WIDGET (layout_dlg));
 745     layout_change ();
 746     do_refresh ();
 747 }
 748
 749 /* --------------------------------------------------------------------------------------------- */
 750
 751 void
 752 panel_update_cols (Widget *widget, panel_display_t frame_size)
 753 {
 754     const Widget *mw = CONST_WIDGET (filemanager);
 755     int cols, x;
 756
 757     /* don't touch panel if it is not in dialog yet */
 758     /* if panel is not in dialog it is not in widgets list
 759        and cannot be compared with get_panel_widget() result */
 760     if (widget->owner == NULL)
 761         return;
 762
 763     if (panels_layout.horizontal_split)
 764     {
 765         widget->rect.cols = mw->rect.cols;
 766         return;
 767     }
 768
 769     if (frame_size == frame_full)
 770     {
 771         cols = mw->rect.cols;
 772         x = mw->rect.x;
 773     }
 774     else if (widget == get_panel_widget (0))
 775     {
 776         cols = panels_layout.left_panel_size;
 777         x = mw->rect.x;
 778     }
 779     else
 780     {
 781         cols = mw->rect.cols - panels_layout.left_panel_size;
 782         x = mw->rect.x + panels_layout.left_panel_size;
 783     }
 784
 785     widget->rect.cols = cols;
 786     widget->rect.x = x;
 787 }
 788
 789 /* --------------------------------------------------------------------------------------------- */
 790
 791 void
 792 setup_panels (void)
 793 {
 794     /* File manager screen layout:
 795      *
 796      * +---------------------------------------------------------------+
 797      * | Menu bar                                                      |
 798      * +-------------------------------+-------------------------------+
 799      * |                               |                               |
 800      * |                               |                               |
 801      * |                               |                               |
 802      * |                               |                               |
 803      * |         Left panel            |         Right panel           |
 804      * |                               |                               |
 805      * |                               |                               |
 806      * |                               |                               |
 807      * |                               |                               |
 808      * +-------------------------------+-------------------------------+
 809      * | Hint (message) bar                                            |
 810      * +---------------------------------------------------------------+
 811      * |                                                               |
 812      * |                        Console content                        |
 813      * |                                                               |
 814      * +--------+------------------------------------------------------+
 815      * | Prompt | Command line                                         |
 816      * | Key (button) bar                                              |
 817      * +--------+------------------------------------------------------+
 818      */
 819
 820     Widget *mw = WIDGET (filemanager);
 821     const WRect *r = &CONST_WIDGET (mw)->rect;
 822     int start_y;
 823     gboolean active;
 824     WRect rb;
 825
 826     active = widget_get_state (mw, WST_ACTIVE);
 827
 828     /* lock the group to avoid many redraws */
 829     if (active)
 830         widget_set_state (mw, WST_SUSPENDED, TRUE);
 831
 832     /* initial height of panels */
 833     height =
 834         r->lines - (menubar_visible ? 1 : 0) - (mc_global.message_visible ? 1 : 0) -
 835         (command_prompt ? 1 : 0) - (mc_global.keybar_visible ? 1 : 0);
 836
 837     if (mc_global.tty.console_flag != '\0')
 838     {
 839         int minimum;
 840
 841         if (output_lines < 0)
 842             output_lines = 0;
 843         else
 844             height -= output_lines;
 845         minimum = MINHEIGHT * (1 + (panels_layout.horizontal_split ? 1 : 0));
 846         if (height < minimum)
 847         {
 848             output_lines -= minimum - height;
 849             height = minimum;
 850         }
 851     }
 852
 853     rb = *r;
 854     rb.lines = 1;
 855     widget_set_size_rect (WIDGET (the_menubar), &rb);
 856     widget_set_visibility (WIDGET (the_menubar), menubar_visible);
 857
 858     check_split (&panels_layout);
 859     start_y = r->y + (menubar_visible ? 1 : 0);
 860
 861     /* update columns first... */
 862     panel_do_cols (0);
 863     panel_do_cols (1);
 864
 865     /* ...then rows and origin */
 866     if (panels_layout.horizontal_split)
 867     {
 868         widget_set_size (panels[0].widget, start_y, r->x, panels_layout.top_panel_size,
 869                          panels[0].widget->rect.cols);
 870         widget_set_size (panels[1].widget, start_y + panels_layout.top_panel_size, r->x,
 871                          height - panels_layout.top_panel_size, panels[1].widget->rect.cols);
 872     }
 873     else
 874     {
 875         widget_set_size (panels[0].widget, start_y, r->x, height, panels[0].widget->rect.cols);
 876         widget_set_size (panels[1].widget, start_y, panels[1].widget->rect.x, height,
 877                          panels[1].widget->rect.cols);
 878     }
 879
 880     widget_set_size (WIDGET (the_hint), height + start_y, r->x, 1, r->cols);
 881     widget_set_visibility (WIDGET (the_hint), mc_global.message_visible);
 882
 883     /* Output window */
 884     if (mc_global.tty.console_flag != '\0' && output_lines != 0)
 885     {
 886         unsigned char end_line;
 887
 888         end_line = r->lines - (mc_global.keybar_visible ? 1 : 0) - 1;
 889         output_start_y = end_line - (command_prompt ? 1 : 0) - output_lines + 1;
 890         show_console_contents (output_start_y, end_line - output_lines, end_line);
 891     }
 892
 893     if (command_prompt)
 894     {
 895 #ifdef ENABLE_SUBSHELL
 896         if (!mc_global.tty.use_subshell || !do_load_prompt ())
 897 #endif
 898             setup_cmdline ();
 899     }
 900     else
 901     {
 902         /* make invisible */
 903         widget_hide (WIDGET (cmdline));
 904         widget_hide (WIDGET (the_prompt));
 905     }
 906
 907     rb = *r;
 908     rb.y = r->lines - 1;
 909     rb.lines = 1;
 910     widget_set_size_rect (WIDGET (the_bar), &rb);
 911     widget_set_visibility (WIDGET (the_bar), mc_global.keybar_visible);
 912
 913     update_xterm_title_path ();
 914     update_terminal_cwd ();
 915
 916     /* unlock */
 917     if (active)
 918     {
 919         widget_set_state (mw, WST_ACTIVE, TRUE);
 920         widget_draw (mw);
 921     }
 922 }
 923
 924 /* --------------------------------------------------------------------------------------------- */
 925
 926 void
 927 panels_split_equal (void)
 928 {
 929     if (panels_layout.horizontal_split)
 930         panels_layout.horizontal_equal = TRUE;
 931     else
 932         panels_layout.vertical_equal = TRUE;
 933
 934     layout_change ();
 935     do_refresh ();
 936 }
 937
 938 /* --------------------------------------------------------------------------------------------- */
 939
 940 void
 941 panels_split_more (void)
 942 {
 943     if (panels_layout.horizontal_split)
 944     {
 945         panels_layout.horizontal_equal = FALSE;
 946         panels_layout.top_panel_size++;
 947     }
 948     else
 949     {
 950         panels_layout.vertical_equal = FALSE;
 951         panels_layout.left_panel_size++;
 952     }
 953
 954     layout_change ();
 955 }
 956
 957 /* --------------------------------------------------------------------------------------------- */
 958
 959 void
 960 panels_split_less (void)
 961 {
 962     if (panels_layout.horizontal_split)
 963     {
 964         panels_layout.horizontal_equal = FALSE;
 965         panels_layout.top_panel_size--;
 966     }
 967     else
 968     {
 969         panels_layout.vertical_equal = FALSE;
 970         panels_layout.left_panel_size--;
 971     }
 972
 973     layout_change ();
 974 }
 975
 976 /* --------------------------------------------------------------------------------------------- */
 977
 978 void
 979 setup_cmdline (void)
 980 {
 981     const Widget *mw = CONST_WIDGET (filemanager);
 982     const WRect *r = &mw->rect;
 983     int prompt_width;
 984     int y;
 985     char *tmp_prompt = (char *) mc_prompt;
 986
 987     if (!command_prompt)
 988         return;
 989
 990 #ifdef ENABLE_SUBSHELL
 991     if (mc_global.tty.use_subshell)
 992     {
 993         /* Workaround: avoid crash on FreeBSD (see ticket #4213 for details)  */
 994         if (subshell_prompt != NULL)
 995             tmp_prompt = g_string_free (subshell_prompt, FALSE);
 996         else
 997             tmp_prompt = g_strdup (mc_prompt);
 998         (void) strip_ctrl_codes (tmp_prompt);
 999     }
1000 #endif
1001
1002     prompt_width = str_term_width1 (tmp_prompt);
1003
1004     /* Check for prompts too big */
1005     if (r->cols > 8 && prompt_width > r->cols - 8)
1006     {
1007         int prompt_len;
1008
1009         prompt_width = r->cols - 8;
1010         prompt_len = str_offset_to_pos (tmp_prompt, prompt_width);
1011         tmp_prompt[prompt_len] = '\0';
1012     }
1013
1014 #ifdef ENABLE_SUBSHELL
1015     if (mc_global.tty.use_subshell)
1016     {
1017         subshell_prompt = g_string_new_take (tmp_prompt);
1018         mc_prompt = subshell_prompt->str;
1019     }
1020 #endif
1021
1022     y = r->lines - 1 - (mc_global.keybar_visible ? 1 : 0);
1023
1024     widget_set_size (WIDGET (the_prompt), y, r->x, 1, prompt_width);
1025     label_set_text (the_prompt, mc_prompt);
1026     widget_set_size (WIDGET (cmdline), y, r->x + prompt_width, 1, r->cols - prompt_width);
1027
1028     widget_show (WIDGET (the_prompt));
1029     widget_show (WIDGET (cmdline));
1030 }
1031
1032 /* --------------------------------------------------------------------------------------------- */
1033
1034 void
1035 use_dash (gboolean flag)
1036 {
1037     if (flag)
1038         ok_to_refresh++;
1039     else
1040         ok_to_refresh--;
1041 }
1042
1043 /* --------------------------------------------------------------------------------------------- */
1044
1045 void
1046 set_hintbar (const char *str)
1047 {
1048     label_set_text (the_hint, str);
1049     if (ok_to_refresh > 0)
1050         mc_refresh ();
1051 }
1052
1053 /* --------------------------------------------------------------------------------------------- */
1054
1055 void
1056 rotate_dash (gboolean show)
1057 {
1058     static gint64 timestamp = 0;
1059     /* update with 10 FPS rate */
1060     static const gint64 delay = G_USEC_PER_SEC / 10;
1061
1062     const Widget *w = CONST_WIDGET (filemanager);
1063
1064     if (!nice_rotating_dash || (ok_to_refresh <= 0))
1065         return;
1066
1067     if (show && !mc_time_elapsed (&timestamp, delay))
1068         return;
1069
1070     widget_gotoyx (w, menubar_visible ? 1 : 0, w->rect.cols - 1);
1071     tty_setcolor (NORMAL_COLOR);
1072
1073     if (!show)
1074         tty_print_alt_char (ACS_URCORNER, FALSE);
1075     else
1076     {
1077         static const char rotating_dash[4] = "|/-\\";
1078         static size_t pos = 0;
1079
1080         tty_print_char (rotating_dash[pos]);
1081         pos = (pos + 1) % sizeof (rotating_dash);
1082     }
1083
1084     mc_refresh ();
1085 }
1086
1087 /* --------------------------------------------------------------------------------------------- */
1088
1089 const char *
1090 get_nth_panel_name (int num)
1091 {
1092     if (num == 0)
1093         return "New Left Panel";
1094
1095     if (num == 1)
1096         return "New Right Panel";
1097
1098     {
1099         static char buffer[BUF_SMALL];
1100
1101         g_snprintf (buffer, sizeof (buffer), "%ith Panel", num);
1102         return buffer;
1103     }
1104 }
1105
1106 /* --------------------------------------------------------------------------------------------- */
1107 /* I wonder if I should start to use the folding mode than Dugan uses */
1108 /*                                                                     */
1109 /* This is the centralized managing of the panel display types         */
1110 /* This routine takes care of destroying and creating new widgets      */
1111 /* Please note that it could manage MAX_VIEWS, not just left and right */
1112 /* Currently nothing in the code takes advantage of this and has hard- */
1113 /* coded values for two panels only                                    */
1114
1115 /* Set the num-th panel to the view type: type */
1116 /* This routine also keeps at least one WPanel object in the screen */
1117 /* since a lot of routines depend on the current_panel variable */
1118
1119 void
1120 create_panel (int num, panel_view_mode_t type)
1121 {
1122     WRect r = { 0, 0, 0, 0 };
1123     unsigned int the_other = 0; /* Index to the other panel */
1124     Widget *new_widget = NULL, *old_widget = NULL;
1125     panel_view_mode_t old_type = view_listing;
1126
1127     if (num >= MAX_VIEWS)
1128     {
1129         fprintf (stderr, "Cannot allocate more that %d views\n", MAX_VIEWS);
1130         abort ();
1131     }
1132     /* Check that we will have a WPanel * at least */
1133     if (type != view_listing)
1134     {
1135         the_other = num == 0 ? 1 : 0;
1136
1137         if (panels[the_other].type != view_listing)
1138             return;
1139     }
1140
1141     /* Get rid of it */
1142     if (panels[num].widget != NULL)
1143     {
1144         Widget *w = panels[num].widget;
1145         WPanel *panel = PANEL (w);
1146
1147         r = w->rect;
1148         old_widget = w;
1149         old_type = panels[num].type;
1150
1151         if (old_type == view_listing && panel->frame_size == frame_full && type != view_listing)
1152         {
1153             int md_cols = CONST_WIDGET (filemanager)->rect.cols;
1154
1155             if (panels_layout.horizontal_split)
1156             {
1157                 r.cols = md_cols;
1158                 r.x = 0;
1159             }
1160             else
1161             {
1162                 r.cols = md_cols - panels_layout.left_panel_size;
1163                 if (num == 1)
1164                     r.x = panels_layout.left_panel_size;
1165             }
1166         }
1167     }
1168
1169     /* Restoring saved path from panels.ini for nonlist panel */
1170     /* when it's first creation (for example view_info) */
1171     if (old_widget == NULL && type != view_listing)
1172         panels[num].last_saved_dir = vfs_get_cwd ();
1173
1174     switch (type)
1175     {
1176     case view_nothing:
1177     case view_listing:
1178         {
1179             gboolean last_was_panel;
1180
1181             last_was_panel = old_widget != NULL && get_panel_type (num) != view_listing;
1182             new_widget = restore_into_right_dir_panel (num, last_was_panel, &r);
1183             break;
1184         }
1185
1186     case view_info:
1187         new_widget = WIDGET (info_new (&r));
1188         break;
1189
1190     case view_tree:
1191         new_widget = WIDGET (tree_new (&r, TRUE));
1192         break;
1193
1194     case view_quick:
1195         {
1196             WPanel *the_other_panel;
1197             const char *file_name = "";
1198
1199             new_widget = WIDGET (mcview_new (&r, TRUE));
1200             the_other_panel = PANEL (panels[the_other].widget);
1201             if (the_other_panel != NULL)
1202             {
1203                 const file_entry_t *fe;
1204
1205                 fe = panel_current_entry (the_other_panel);
1206                 if (fe != NULL)
1207                     file_name = fe->fname->str;
1208             }
1209
1210             mcview_load ((WView *) new_widget, 0, file_name, 0, 0, 0);
1211             break;
1212         }
1213
1214     default:
1215         break;
1216     }
1217
1218     if (type != view_listing)
1219         /* Must save dir, for restoring after change type to */
1220         /* view_listing */
1221         save_panel_dir (num);
1222
1223     panels[num].type = type;
1224     panels[num].widget = new_widget;
1225
1226     /* We use replace to keep the circular list of the dialog in the */
1227     /* same state.  Maybe we could just kill it and then replace it  */
1228     if (old_widget != NULL)
1229     {
1230         if (old_type == view_listing)
1231         {
1232             /* save and write directory history of panel
1233              * ... and other histories of filemanager  */
1234             dlg_save_history (filemanager);
1235         }
1236
1237         widget_replace (old_widget, new_widget);
1238     }
1239
1240     if (type == view_listing)
1241     {
1242         WPanel *panel = PANEL (new_widget);
1243
1244         /* if existing panel changed type to view_listing, then load history */
1245         if (old_widget != NULL)
1246         {
1247             ev_history_load_save_t event_data = { NULL, new_widget };
1248
1249             mc_event_raise (filemanager->event_group, MCEVENT_HISTORY_LOAD, &event_data);
1250         }
1251
1252         if (num == 0)
1253             left_panel = panel;
1254         else
1255             right_panel = panel;
1256
1257         /* forced update format after set new sizes */
1258         set_panel_formats (panel);
1259     }
1260
1261     if (type == view_tree)
1262         the_tree = (WTree *) new_widget;
1263
1264     /* Prevent current_panel's value from becoming invalid.
1265      * It's just a quick hack to prevent segfaults. Comment out and
1266      * try following:
1267      * - select left panel
1268      * - invoke menu left/tree
1269      * - as long as you stay in the left panel almost everything that uses
1270      *   current_panel causes segfault, e.g. C-Enter, C-x c, ...
1271      */
1272     if ((type != view_listing) && (current_panel == PANEL (old_widget)))
1273         current_panel = num == 0 ? right_panel : left_panel;
1274
1275     g_free (old_widget);
1276 }
1277
1278 /* --------------------------------------------------------------------------------------------- */
1279 /** This routine is deeply sticked to the two panels idea.
1280    What should it do in more panels. ANSWER - don't use it
1281    in any multiple panels environment. */
1282
1283 void
1284 swap_panels (void)
1285 {
1286     WPanel *panel1, *panel2;
1287     Widget *tmp_widget;
1288
1289     panel1 = PANEL (panels[0].widget);
1290     panel2 = PANEL (panels[1].widget);
1291
1292     if (panels[0].type == view_listing && panels[1].type == view_listing &&
1293         !mc_config_get_bool (mc_global.main_config, CONFIG_PANELS_SECTION, "simple_swap", FALSE))
1294     {
1295         WPanel panel;
1296
1297 #define panelswap(x) panel.x = panel1->x; panel1->x = panel2->x; panel2->x = panel.x;
1298         /* Change content and related stuff */
1299         panelswap (dir);
1300         panelswap (active);
1301         panelswap (cwd_vpath);
1302         panelswap (lwd_vpath);
1303         panelswap (marked);
1304         panelswap (dirs_marked);
1305         panelswap (total);
1306         panelswap (top);
1307         panelswap (current);
1308         panelswap (is_panelized);
1309         panelswap (panelized_descr);
1310         panelswap (dir_stat);
1311 #undef panelswap
1312
1313         panel1->quick_search.active = FALSE;
1314         panel2->quick_search.active = FALSE;
1315
1316         if (current_panel == panel1)
1317             current_panel = panel2;
1318         else
1319             current_panel = panel1;
1320
1321         /* if sort options are different -> resort panels */
1322         if (memcmp (&panel1->sort_info, &panel2->sort_info, sizeof (dir_sort_options_t)) != 0)
1323         {
1324             panel_re_sort (other_panel);
1325             panel_re_sort (current_panel);
1326         }
1327
1328         if (widget_is_active (panels[0].widget))
1329             widget_select (panels[1].widget);
1330         else if (widget_is_active (panels[1].widget))
1331             widget_select (panels[0].widget);
1332     }
1333     else
1334     {
1335         WPanel *tmp_panel;
1336         WRect r;
1337         int tmp_type;
1338
1339         tmp_panel = right_panel;
1340         right_panel = left_panel;
1341         left_panel = tmp_panel;
1342
1343         if (panels[0].type == view_listing)
1344         {
1345             if (strcmp (panel1->name, get_nth_panel_name (0)) == 0)
1346             {
1347                 g_free (panel1->name);
1348                 panel1->name = g_strdup (get_nth_panel_name (1));
1349             }
1350         }
1351         if (panels[1].type == view_listing)
1352         {
1353             if (strcmp (panel2->name, get_nth_panel_name (1)) == 0)
1354             {
1355                 g_free (panel2->name);
1356                 panel2->name = g_strdup (get_nth_panel_name (0));
1357             }
1358         }
1359
1360         r = panels[0].widget->rect;
1361         panels[0].widget->rect = panels[1].widget->rect;
1362         panels[1].widget->rect = r;
1363
1364         tmp_widget = panels[0].widget;
1365         panels[0].widget = panels[1].widget;
1366         panels[1].widget = tmp_widget;
1367         tmp_type = panels[0].type;
1368         panels[0].type = panels[1].type;
1369         panels[1].type = tmp_type;
1370
1371         /* force update formats because of possible changed sizes */
1372         if (panels[0].type == view_listing)
1373             set_panel_formats (PANEL (panels[0].widget));
1374         if (panels[1].type == view_listing)
1375             set_panel_formats (PANEL (panels[1].widget));
1376     }
1377 }
1378
1379 /* --------------------------------------------------------------------------------------------- */
1380
1381 panel_view_mode_t
1382 get_panel_type (int idx)
1383 {
1384     return panels[idx].type;
1385 }
1386
1387 /* --------------------------------------------------------------------------------------------- */
1388
1389 Widget *
1390 get_panel_widget (int idx)
1391 {
1392     return panels[idx].widget;
1393 }
1394
1395 /* --------------------------------------------------------------------------------------------- */
1396
1397 int
1398 get_current_index (void)
1399 {
1400     return (panels[0].widget == WIDGET (current_panel) ? 0 : 1);
1401 }
1402
1403 /* --------------------------------------------------------------------------------------------- */
1404
1405 int
1406 get_other_index (void)
1407 {
1408     return (get_current_index () == 0 ? 1 : 0);
1409 }
1410
1411 /* --------------------------------------------------------------------------------------------- */
1412
1413 WPanel *
1414 get_other_panel (void)
1415 {
1416     return PANEL (get_panel_widget (get_other_index ()));
1417 }
1418
1419 /* --------------------------------------------------------------------------------------------- */
1420 /** Returns the view type for the current panel/view */
1421
1422 panel_view_mode_t
1423 get_current_type (void)
1424 {
1425     return (panels[0].widget == WIDGET (current_panel) ? panels[0].type : panels[1].type);
1426 }
1427
1428 /* --------------------------------------------------------------------------------------------- */
1429 /** Returns the view type of the unselected panel */
1430
1431 panel_view_mode_t
1432 get_other_type (void)
1433 {
1434     return (panels[0].widget == WIDGET (current_panel) ? panels[1].type : panels[0].type);
1435 }
1436
1437 /* --------------------------------------------------------------------------------------------- */
1438 /** Save current list_view widget directory into panel */
1439
1440 void
1441 save_panel_dir (int idx)
1442 {
1443     panel_view_mode_t type;
1444
1445     type = get_panel_type (idx);
1446     if (type == view_listing)
1447     {
1448         WPanel *p;
1449
1450         p = PANEL (get_panel_widget (idx));
1451         if (p != NULL)
1452         {
1453             g_free (panels[idx].last_saved_dir);        /* last path no needed */
1454             /* Because path can be nonlocal */
1455             panels[idx].last_saved_dir = g_strdup (vfs_path_as_str (p->cwd_vpath));
1456         }
1457     }
1458 }
1459
1460 /* --------------------------------------------------------------------------------------------- */
1461 /** Return working dir, if it's view_listing - cwd,
1462    but for other types - last_saved_dir */
1463
1464 char *
1465 get_panel_dir_for (const WPanel *widget)
1466 {
1467     int i;
1468
1469     for (i = 0; i < MAX_VIEWS; i++)
1470         if (PANEL (get_panel_widget (i)) == widget)
1471             break;
1472
1473     if (i >= MAX_VIEWS)
1474         return g_strdup (".");
1475
1476     if (get_panel_type (i) == view_listing)
1477     {
1478         vfs_path_t *cwd_vpath;
1479
1480         cwd_vpath = PANEL (get_panel_widget (i))->cwd_vpath;
1481         return g_strdup (vfs_path_as_str (cwd_vpath));
1482     }
1483
1484     return g_strdup (panels[i].last_saved_dir);
1485 }
1486
1487 /* --------------------------------------------------------------------------------------------- */
1488
1489 #ifdef ENABLE_SUBSHELL
1490 gboolean
1491 do_load_prompt (void)
1492 {
1493     gboolean ret = FALSE;
1494
1495     if (!read_subshell_prompt ())
1496         return ret;
1497
1498     /* Don't actually change the prompt if it's invisible */
1499     if (top_dlg != NULL && DIALOG (top_dlg->data) == filemanager && command_prompt)
1500     {
1501         setup_cmdline ();
1502
1503         /* since the prompt has changed, and we are called from one of the
1504          * tty_get_event channels, the prompt updating does not take place
1505          * automatically: force a cursor update and a screen refresh
1506          */
1507         widget_update_cursor (WIDGET (filemanager));
1508         mc_refresh ();
1509         ret = TRUE;
1510     }
1511     update_subshell_prompt = TRUE;
1512     return ret;
1513 }
1514
1515 /* --------------------------------------------------------------------------------------------- */
1516
1517 int
1518 load_prompt (int fd, void *unused)
1519 {
1520     (void) fd;
1521     (void) unused;
1522
1523     if (should_read_new_subshell_prompt)
1524         do_load_prompt ();
1525     else
1526         flush_subshell (0, QUIETLY);
1527
1528     return 0;
1529 }
1530 #endif /* ENABLE_SUBSHELL */
1531
1532 /* --------------------------------------------------------------------------------------------- */
1533
1534 void
1535 title_path_prepare (char **path, char **login)
1536 {
1537     char host[BUF_TINY];
1538     struct passwd *pw = NULL;
1539     int res = 0;
1540
1541     *path =
1542         vfs_path_to_str_flags (current_panel->cwd_vpath, 0, VPF_STRIP_HOME | VPF_STRIP_PASSWORD);
1543
1544     res = gethostname (host, sizeof (host));
1545     if (res != 0)
1546         host[0] = '\0';
1547     else
1548         host[sizeof (host) - 1] = '\0';
1549
1550     pw = getpwuid (getuid ());
1551     if (pw != NULL)
1552         *login = g_strdup_printf ("%s@%s", pw->pw_name, host);
1553     else
1554         *login = g_strdup (host);
1555 }
1556
1557 /* --------------------------------------------------------------------------------------------- */
1558
1559 /** Show current directory in the xterm title */
1560 void
1561 update_xterm_title_path (void)
1562 {
1563     if (mc_global.tty.xterm_flag && xterm_title)
1564     {
1565         char *p;
1566         char *path;
1567         char *login;
1568
1569         title_path_prepare (&path, &login);
1570
1571         p = g_strdup_printf ("mc [%s]:%s", login, path);
1572         g_free (login);
1573         g_free (path);
1574
1575         fprintf (stdout, ESC_STR "]0;%s" ESC_STR "\\", str_term_form (p));
1576         g_free (p);
1577
1578         if (!mc_global.tty.alternate_plus_minus)
1579             numeric_keypad_mode ();
1580         (void) fflush (stdout);
1581     }
1582 }
1583
1584 /* --------------------------------------------------------------------------------------------- */
1585
1586 /** Tell the current directory to the terminal so it can open new tabs there */
1587 void
1588 update_terminal_cwd (void)
1589 {
1590     if (mc_global.tty.xterm_flag && vfs_current_is_local ())
1591     {
1592         const gchar *host;
1593         char *path, *path_uri;
1594
1595         host = g_get_host_name ();
1596         path = vfs_path_to_str_flags (current_panel->cwd_vpath, 0, VPF_NONE);
1597         path_uri = g_uri_escape_string (path, "/", FALSE);
1598
1599         fprintf (stdout, ESC_STR "]7;file://%s%s" ESC_STR "\\", host, path_uri);
1600         (void) fflush (stdout);
1601
1602         g_free (path_uri);
1603         g_free (path);
1604     }
1605 }
1606
1607 /* --------------------------------------------------------------------------------------------- */