src/editor/editwidget.c

   1 /*
   2    Editor initialisation and callback handler.
   3
   4    Copyright (C) 1996, 1997, 1998, 2001, 2002, 2003, 2004, 2005, 2006,
   5    2007, 2011, 2012, 2013
   6    The Free Software Foundation, Inc.
   7
   8    Written by:
   9    Paul Sheer, 1996, 1997
  10    Andrew Borodin <aborodin@vmail.ru> 2012, 2013
  11
  12    This file is part of the Midnight Commander.
  13
  14    The Midnight Commander is free software: you can redistribute it
  15    and/or modify it under the terms of the GNU General Public License as
  16    published by the Free Software Foundation, either version 3 of the License,
  17    or (at your option) any later version.
  18
  19    The Midnight Commander is distributed in the hope that it will be useful,
  20    but WITHOUT ANY WARRANTY; without even the implied warranty of
  21    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22    GNU General Public License for more details.
  23
  24    You should have received a copy of the GNU General Public License
  25    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  26  */
  27
  28 /** \file
  29  *  \brief Source: editor initialisation and callback handler
  30  *  \author Paul Sheer
  31  *  \date 1996, 1997
  32  */
  33
  34 #include <config.h>
  35
  36 #include <ctype.h>
  37 #include <errno.h>
  38 #include <stdlib.h>
  39 #include <string.h>
  40 #include <sys/types.h>
  41 #include <unistd.h>
  42
  43 #include "lib/global.h"
  44
  45 #include "lib/tty/tty.h"        /* LINES, COLS */
  46 #include "lib/tty/key.h"        /* is_idle() */
  47 #include "lib/tty/color.h"      /* tty_setcolor() */
  48 #include "lib/skin.h"
  49 #include "lib/strutil.h"        /* str_term_trim() */
  50 #include "lib/util.h"           /* mc_build_filename() */
  51 #include "lib/widget.h"
  52 #include "lib/mcconfig.h"
  53 #include "lib/event.h"          /* mc_event_raise() */
  54 #ifdef HAVE_CHARSET
  55 #include "lib/charsets.h"
  56 #endif
  57
  58 #include "src/keybind-defaults.h"       /* keybind_lookup_keymap_command() */
  59 #include "src/setup.h"          /* home_dir */
  60 #include "src/filemanager/cmd.h"        /* view_other_cmd(), save_setup_cmd()  */
  61 #include "src/learn.h"          /* learn_keys() */
  62 #include "src/args.h"           /* mcedit_arg_t */
  63
  64 #include "edit-impl.h"
  65 #include "editwidget.h"
  66 #ifdef HAVE_ASPELL
  67 #include "spell.h"
  68 #endif
  69
  70 /*** global variables ****************************************************************************/
  71
  72 char *edit_window_state_char = NULL;
  73 char *edit_window_close_char = NULL;
  74
  75 /*** file scope macro definitions ****************************************************************/
  76
  77 #define WINDOW_MIN_LINES (2 + 2)
  78 #define WINDOW_MIN_COLS (2 + LINE_STATE_WIDTH + 2)
  79
  80 /*** file scope type declarations ****************************************************************/
  81
  82 /*** file scope variables ************************************************************************/
  83 static unsigned int edit_dlg_init_refcounter = 0;
  84
  85 /*** file scope functions ************************************************************************/
  86
  87 static cb_ret_t edit_dialog_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm,
  88                                       void *data);
  89
  90 /* --------------------------------------------------------------------------------------------- */
  91 /**
  92  * Init the 'edit' subsystem
  93  */
  94
  95 static void
  96 edit_dlg_init (void)
  97 {
  98     if (edit_dlg_init_refcounter == 0)
  99     {
 100         edit_window_state_char = mc_skin_get ("editor", "window-state-char", "*");
 101         edit_window_close_char = mc_skin_get ("editor", "window-close-char", "X");
 102
 103 #ifdef HAVE_ASPELL
 104         aspell_init ();
 105 #endif
 106     }
 107
 108     edit_dlg_init_refcounter++;
 109 }
 110
 111 /* --------------------------------------------------------------------------------------------- */
 112 /**
 113  * Deinit the 'edit' subsystem
 114  */
 115
 116 static void
 117 edit_dlg_deinit (void)
 118 {
 119     if (edit_dlg_init_refcounter != 0)
 120         edit_dlg_init_refcounter--;
 121
 122     if (edit_dlg_init_refcounter == 0)
 123     {
 124         g_free (edit_window_state_char);
 125         g_free (edit_window_close_char);
 126
 127 #ifdef HAVE_ASPELL
 128         aspell_clean ();
 129 #endif
 130     }
 131 }
 132
 133 /* --------------------------------------------------------------------------------------------- */
 134 /**
 135  * Show info about editor
 136  */
 137
 138 static void
 139 edit_about (void)
 140 {
 141     quick_widget_t quick_widgets[] = {
 142         /* *INDENT-OFF* */
 143         QUICK_LABEL ("MCEdit " VERSION, NULL),
 144         QUICK_SEPARATOR (TRUE),
 145         QUICK_LABEL (N_("A user friendly text editor\n"
 146                         "written for the Midnight Commander."), NULL),
 147         QUICK_SEPARATOR (FALSE),
 148         QUICK_LABEL (N_("Copyright (C) 1996-2012 the Free Software Foundation"), NULL),
 149         QUICK_START_BUTTONS (TRUE, TRUE),
 150             QUICK_BUTTON (N_("&OK"), B_ENTER, NULL, NULL),
 151         QUICK_END
 152         /* *INDENT-ON* */
 153     };
 154
 155     quick_dialog_t qdlg = {
 156         -1, -1, 40,
 157         N_("About"), "[Internal File Editor]",
 158         quick_widgets, NULL, NULL
 159     };
 160
 161     quick_widgets[0].pos_flags = WPOS_KEEP_TOP | WPOS_CENTER_HORZ;
 162     quick_widgets[2].pos_flags = WPOS_KEEP_TOP | WPOS_CENTER_HORZ;
 163     quick_widgets[4].pos_flags = WPOS_KEEP_TOP | WPOS_CENTER_HORZ;
 164
 165     (void) quick_dialog (&qdlg);
 166 }
 167
 168 /* --------------------------------------------------------------------------------------------- */
 169 /**
 170  * Show a help window
 171  */
 172
 173 static void
 174 edit_help (void)
 175 {
 176     ev_help_t event_data = { NULL, "[Internal File Editor]" };
 177     mc_event_raise (MCEVENT_GROUP_CORE, "help", &event_data);
 178 }
 179
 180 /* --------------------------------------------------------------------------------------------- */
 181 /**
 182  * Callback for the iteration of objects in the 'editors' array.
 183  * Resize the editor window.
 184  *
 185  * @param data      probably WEdit object
 186  * @param user_data unused
 187  */
 188
 189 static void
 190 edit_dialog_resize_cb (void *data, void *user_data)
 191 {
 192     Widget *w = WIDGET (data);
 193
 194     (void) user_data;
 195
 196     if (edit_widget_is_editor (w) && ((WEdit *) w)->fullscreen)
 197     {
 198         Widget *wh = WIDGET (w->owner);
 199
 200         w->lines = wh->lines - 2;
 201         w->cols = wh->cols;
 202     }
 203 }
 204
 205 /* --------------------------------------------------------------------------------------------- */
 206 /**
 207  * Restore saved window size.
 208  *
 209  * @param edit editor object
 210  */
 211
 212 static void
 213 edit_restore_size (WEdit * edit)
 214 {
 215     edit->drag_state = MCEDIT_DRAG_NORMAL;
 216     widget_set_size (WIDGET (edit), edit->y_prev, edit->x_prev, edit->lines_prev, edit->cols_prev);
 217     dlg_redraw (WIDGET (edit)->owner);
 218 }
 219
 220 /* --------------------------------------------------------------------------------------------- */
 221 /**
 222  * Move window by one row or column in any direction.
 223  *
 224  * @param edit    editor object
 225  * @param command direction (CK_Up, CK_Down, CK_Left, CK_Right)
 226  */
 227
 228 static void
 229 edit_window_move (WEdit * edit, unsigned long command)
 230 {
 231     Widget *w = WIDGET (edit);
 232     Widget *wh = WIDGET (w->owner);
 233
 234     switch (command)
 235     {
 236     case CK_Up:
 237         if (w->y > wh->y + 1)   /* menubar */
 238             w->y--;
 239         break;
 240     case CK_Down:
 241         if (w->y < wh->y + wh->lines - 2)       /* buttonbar */
 242             w->y++;
 243         break;
 244     case CK_Left:
 245         if (w->x + w->cols > wh->x)
 246             w->x--;
 247         break;
 248     case CK_Right:
 249         if (w->x < wh->x + wh->cols)
 250             w->x++;
 251         break;
 252     default:
 253         return;
 254     }
 255
 256     edit->force |= REDRAW_PAGE;
 257     dlg_redraw (w->owner);
 258 }
 259
 260 /* --------------------------------------------------------------------------------------------- */
 261 /**
 262  * Resize window by one row or column in any direction.
 263  *
 264  * @param edit    editor object
 265  * @param command direction (CK_Up, CK_Down, CK_Left, CK_Right)
 266  */
 267
 268 static void
 269 edit_window_resize (WEdit * edit, unsigned long command)
 270 {
 271     Widget *w = WIDGET (edit);
 272     Widget *wh = WIDGET (w->owner);
 273
 274     switch (command)
 275     {
 276     case CK_Up:
 277         if (w->lines > WINDOW_MIN_LINES)
 278             w->lines--;
 279         break;
 280     case CK_Down:
 281         if (w->y + w->lines < wh->y + wh->lines - 1)    /* buttonbar */
 282             w->lines++;
 283         break;
 284     case CK_Left:
 285         if (w->cols > WINDOW_MIN_COLS)
 286             w->cols--;
 287         break;
 288     case CK_Right:
 289         if (w->x + w->cols < wh->x + wh->cols)
 290             w->cols++;
 291         break;
 292     default:
 293         return;
 294     }
 295
 296     edit->force |= REDRAW_COMPLETELY;
 297     dlg_redraw (w->owner);
 298 }
 299
 300 /* --------------------------------------------------------------------------------------------- */
 301 /**
 302  * Get hotkey by number.
 303  *
 304  * @param n number
 305  * @return hotkey
 306  */
 307
 308 static unsigned char
 309 get_hotkey (int n)
 310 {
 311     return (n <= 9) ? '0' + n : 'a' + n - 10;
 312 }
 313
 314 /* --------------------------------------------------------------------------------------------- */
 315
 316 static void
 317 edit_window_list (const WDialog * h)
 318 {
 319     const size_t offset = 2;    /* skip menu and buttonbar */
 320     const size_t dlg_num = g_list_length (h->widgets) - offset;
 321     int lines, cols;
 322     Listbox *listbox;
 323     GList *w;
 324     int i = 0;
 325     int rv;
 326
 327     lines = min ((size_t) (LINES * 2 / 3), dlg_num);
 328     cols = COLS * 2 / 3;
 329
 330     listbox = create_listbox_window (lines, cols, _("Open files"), "[Open files]");
 331
 332     for (w = h->widgets; w != NULL; w = g_list_next (w))
 333         if (edit_widget_is_editor (WIDGET (w->data)))
 334         {
 335             WEdit *e = (WEdit *) w->data;
 336             char *fname;
 337
 338             if (e->filename_vpath == NULL)
 339                 fname = g_strdup_printf ("%c [%s]", e->modified ? '*' : ' ', _("NoName"));
 340             else
 341             {
 342                 char *fname2;
 343
 344                 fname2 = vfs_path_to_str (e->filename_vpath);
 345                 fname = g_strdup_printf ("%c%s", e->modified ? '*' : ' ', fname2);
 346                 g_free (fname2);
 347             }
 348
 349             listbox_add_item (listbox->list, LISTBOX_APPEND_AT_END, get_hotkey (i++),
 350                               str_term_trim (fname, WIDGET (listbox->list)->cols - 2), NULL);
 351             g_free (fname);
 352         }
 353
 354     rv = g_list_position (h->widgets, h->current) - offset;
 355     listbox_select_entry (listbox->list, rv);
 356     rv = run_listbox (listbox);
 357     if (rv >= 0)
 358     {
 359         w = g_list_nth (h->widgets, rv + offset);
 360         dlg_set_top_widget (w->data);
 361     }
 362 }
 363
 364 /* --------------------------------------------------------------------------------------------- */
 365
 366 static char *
 367 edit_get_shortcut (unsigned long command)
 368 {
 369     const char *ext_map;
 370     const char *shortcut = NULL;
 371
 372     shortcut = keybind_lookup_keymap_shortcut (editor_map, command);
 373     if (shortcut != NULL)
 374         return g_strdup (shortcut);
 375
 376     ext_map = keybind_lookup_keymap_shortcut (editor_map, CK_ExtendedKeyMap);
 377     if (ext_map != NULL)
 378         shortcut = keybind_lookup_keymap_shortcut (editor_x_map, command);
 379     if (shortcut != NULL)
 380         return g_strdup_printf ("%s %s", ext_map, shortcut);
 381
 382     return NULL;
 383 }
 384
 385 /* --------------------------------------------------------------------------------------------- */
 386
 387 static char *
 388 edit_get_title (const WDialog * h, size_t len)
 389 {
 390     const WEdit *edit = find_editor (h);
 391     const char *modified = edit->modified ? "(*) " : "    ";
 392     const char *file_label;
 393     char *filename;
 394
 395     len -= 4;
 396
 397     filename = vfs_path_to_str (edit->filename_vpath);
 398     if (filename == NULL)
 399         filename = g_strdup (_("[NoName]"));
 400     file_label = str_term_trim (filename, len - str_term_width1 (_("Edit: ")));
 401     g_free (filename);
 402
 403     return g_strconcat (_("Edit: "), modified, file_label, (char *) NULL);
 404 }
 405
 406 /* --------------------------------------------------------------------------------------------- */
 407 /**
 408  * Handle mouse events of editor window
 409  *
 410  * @param event mouse event
 411  * @param data editor window
 412  * @return MOU_NORMAL if event was handled, MOU_UNHANDLED otherwise
 413  */
 414
 415 static int
 416 edit_event (Gpm_Event * event, void *data)
 417 {
 418     WEdit *edit = (WEdit *) data;
 419     Widget *w = WIDGET (data);
 420     Gpm_Event local;
 421
 422     if (!mouse_global_in_widget (event, w))
 423         return MOU_UNHANDLED;
 424
 425     local = mouse_get_local (event, w);
 426
 427     /* Unknown event type */
 428     if ((event->type & (GPM_DOWN | GPM_DRAG | GPM_UP)) == 0)
 429         return MOU_NORMAL;
 430
 431     dlg_set_top_widget (w);
 432
 433     edit_update_curs_row (edit);
 434     edit_update_curs_col (edit);
 435
 436     if (edit->fullscreen || (local.buttons & GPM_B_LEFT) == 0 || (local.type & GPM_UP) != 0)
 437         edit->drag_state = MCEDIT_DRAG_NORMAL;
 438     else if (local.y == 1 && edit->drag_state != MCEDIT_DRAG_RESIZE)
 439     {
 440         /* click on the top line (move) */
 441         int dx = edit->fullscreen ? 0 : 2;
 442
 443         if (local.x == w->cols - dx - 1)
 444         {
 445             send_message (w->owner, NULL, MSG_ACTION, CK_Close, NULL);
 446             return MOU_NORMAL;
 447         }
 448
 449         if (local.x == w->cols - dx - 4)
 450         {
 451             edit_toggle_fullscreen (edit);
 452             return MOU_NORMAL;
 453         }
 454
 455         if ((local.type & (GPM_DOWN | GPM_DRAG)) != 0)
 456         {
 457             /* move if not fullscreen */
 458             edit->drag_state_start = local.x;
 459             edit->drag_state = MCEDIT_DRAG_MOVE;
 460             edit->force |= REDRAW_COMPLETELY;
 461             edit_update_screen (edit);
 462         }
 463     }
 464     else if (!edit->fullscreen && local.y == w->lines && local.x == w->cols)
 465     {
 466         /* click on bottom-right corner (resize) */
 467         if ((local.type & (GPM_DOWN | GPM_DRAG)) != 0)
 468         {
 469             edit->drag_state = MCEDIT_DRAG_RESIZE;
 470             edit->force |= REDRAW_COMPLETELY;
 471             edit_update_screen (edit);
 472         }
 473     }
 474
 475     if (edit->drag_state == MCEDIT_DRAG_NORMAL)
 476     {
 477         gboolean done = TRUE;
 478
 479         /* Double click */
 480         if ((local.type & (GPM_DOUBLE | GPM_UP)) == (GPM_UP | GPM_DOUBLE))
 481         {
 482             edit_mark_current_word_cmd (edit);
 483             goto update;
 484         }
 485 #if 0
 486         /* Triple click */
 487         if ((local.type & (GPM_TRIPLE | GPM_UP)) == (GPM_UP | GPM_TRIPLE))
 488         {
 489             edit_mark_current_line_cmd (edit);
 490             goto update;
 491         }
 492 #endif
 493         /* Wheel events */
 494         if ((local.buttons & GPM_B_UP) != 0 && (local.type & GPM_DOWN) != 0)
 495         {
 496             edit_move_up (edit, 2, 1);
 497             goto update;
 498         }
 499         if ((local.buttons & GPM_B_DOWN) != 0 && (local.type & GPM_DOWN) != 0)
 500         {
 501             edit_move_down (edit, 2, 1);
 502             goto update;
 503         }
 504
 505         /* continue handle current event */
 506         goto cont;
 507
 508         /* handle DRAG mouse event, don't use standard way to continue
 509          * event handling outside of widget */
 510         do
 511         {
 512             int c;
 513
 514             c = tty_get_event (event, FALSE, TRUE);
 515             if (c == EV_NONE || c != EV_MOUSE)
 516                 break;
 517
 518             local = mouse_get_local (event, w);
 519
 520           cont:
 521             /* A lone up mustn't do anything */
 522             if (edit->mark2 != -1 && (local.type & (GPM_UP | GPM_DRAG)) != 0)
 523                 return MOU_NORMAL;
 524
 525             if ((local.type & (GPM_DOWN | GPM_UP)) != 0)
 526                 edit_push_key_press (edit);
 527
 528             if (!edit->fullscreen)
 529                 local.x--;
 530             if (!option_cursor_beyond_eol)
 531                 edit->prev_col = local.x - edit->start_col - option_line_state_width - 1;
 532             else
 533             {
 534                 long line_len = edit_move_forward3 (edit, edit_bol (edit, edit->curs1), 0,
 535                                                     edit_eol (edit, edit->curs1));
 536
 537                 if (local.x > line_len)
 538                 {
 539                     edit->over_col =
 540                         local.x - line_len - edit->start_col - option_line_state_width - 1;
 541                     edit->prev_col = line_len;
 542                 }
 543                 else
 544                 {
 545                     edit->over_col = 0;
 546                     edit->prev_col = local.x - option_line_state_width - edit->start_col - 1;
 547                 }
 548             }
 549
 550             if (!edit->fullscreen)
 551                 local.y--;
 552             if (local.y > (edit->curs_row + 1))
 553                 edit_move_down (edit, local.y - (edit->curs_row + 1), 0);
 554             else if (local.y < (edit->curs_row + 1))
 555                 edit_move_up (edit, (edit->curs_row + 1) - local.y, 0);
 556             else
 557                 edit_move_to_prev_col (edit, edit_bol (edit, edit->curs1));
 558
 559             if ((local.type & GPM_DOWN) != 0)
 560             {
 561                 edit_mark_cmd (edit, TRUE);     /* reset */
 562                 edit->highlight = 0;
 563             }
 564
 565             done = (local.type & GPM_DRAG) == 0;
 566             if (done)
 567                 edit_mark_cmd (edit, FALSE);
 568
 569           update:
 570             edit_find_bracket (edit);
 571             edit->force |= REDRAW_COMPLETELY;
 572             edit_update_curs_row (edit);
 573             edit_update_curs_col (edit);
 574             edit_update_screen (edit);
 575         }
 576         while (!edit->fullscreen && !done);
 577     }
 578     else
 579         while (edit->drag_state != MCEDIT_DRAG_NORMAL)
 580         {
 581             int c;
 582             int y;
 583
 584             c = tty_get_event (event, FALSE, TRUE);
 585             y = event->y - 1;
 586
 587             if (c == EV_NONE || c != EV_MOUSE)
 588             {
 589                 /* redraw frame */
 590                 edit->drag_state = MCEDIT_DRAG_NORMAL;
 591                 edit->force |= REDRAW_COMPLETELY;
 592                 edit_update_screen (edit);
 593             }
 594             else if (y == w->y && (event->type & (GPM_DOUBLE | GPM_UP)) == (GPM_DOUBLE | GPM_UP))
 595             {
 596                 /* double click on top line (toggle fullscreen) */
 597                 edit_toggle_fullscreen (edit);
 598                 edit->drag_state = MCEDIT_DRAG_NORMAL;
 599                 edit->force |= REDRAW_COMPLETELY;
 600                 edit_update_screen (edit);
 601             }
 602             else if ((event->type & (GPM_DRAG | GPM_DOWN)) == 0)
 603             {
 604                 /* redraw frame */
 605                 edit->drag_state = MCEDIT_DRAG_NORMAL;
 606                 edit->force |= REDRAW_COMPLETELY;
 607                 edit_update_screen (edit);
 608             }
 609             else if (!edit->fullscreen)
 610             {
 611                 Widget *h = WIDGET (w->owner);
 612
 613                 if (edit->drag_state == MCEDIT_DRAG_MOVE)
 614                 {
 615                     int x = event->x - 1;
 616
 617                     y = max (y, h->y + 1);      /* status line */
 618                     y = min (y, h->y + h->lines - 2);   /* buttonbar */
 619                     x = max (x, h->x);
 620                     x = min (x, h->x + h->cols - 1);
 621                     /* don't use widget_set_size() here to avoid double draw  */
 622                     w->y = y;
 623                     w->x = x - edit->drag_state_start;
 624                     edit->force |= REDRAW_COMPLETELY;
 625                 }
 626                 else if (edit->drag_state == MCEDIT_DRAG_RESIZE)
 627                 {
 628                     event->y = min (event->y, h->y + h->lines - 1);     /* buttonbar */
 629                     event->x = min (event->x, h->x + h->cols);
 630                     local = mouse_get_local (event, w);
 631
 632                     /* don't use widget_set_size() here to avoid double draw  */
 633                     w->lines = max (WINDOW_MIN_LINES, local.y);
 634                     w->cols = max (WINDOW_MIN_COLS, local.x);
 635                     edit->force |= REDRAW_COMPLETELY;
 636                 }
 637
 638                 dlg_redraw (w->owner);
 639             }
 640         }
 641
 642     return MOU_NORMAL;
 643 }
 644
 645 /* --------------------------------------------------------------------------------------------- */
 646 /**
 647  * Handle mouse events of editor screen.
 648  *
 649  * @param event mouse event
 650  * @param data editor screen
 651  * @return MOU_NORMAL if event was handled, MOU_UNHANDLED otherwise
 652  */
 653
 654 static int
 655 edit_dialog_event (Gpm_Event * event, void *data)
 656 {
 657     WDialog *h = DIALOG (data);
 658     Widget *w;
 659     Widget *wh = WIDGET (h);
 660     int ret = MOU_UNHANDLED;
 661
 662     w = WIDGET (find_menubar (h));
 663
 664     if (event->y == wh->y + 1 && (event->type & GPM_DOWN) != 0 && !MENUBAR (w)->is_active)
 665     {
 666         /* menubar */
 667
 668         GList *l;
 669         GList *top = NULL;
 670         int x;
 671
 672         /* Try find top fullscreen window */
 673         for (l = h->widgets; l != NULL; l = g_list_next (l))
 674             if (edit_widget_is_editor (WIDGET (l->data)) && ((WEdit *) l->data)->fullscreen)
 675                 top = l;
 676
 677         /* Handle fullscreen/close buttons in the top line */
 678         x = wh->x + wh->cols + 1 - 6;
 679
 680         if (top != NULL && event->x >= x)
 681         {
 682             WEdit *e;
 683
 684             e = (WEdit *) top->data;
 685             x = event->x - x;
 686
 687             if (top != h->current)
 688             {
 689                 /* Window is not active. Activate it */
 690                 dlg_set_top_widget (e);
 691             }
 692
 693             /* Handle buttons */
 694             if (x <= 2)
 695                 edit_toggle_fullscreen (e);
 696             else
 697                 send_message (h, NULL, MSG_ACTION, CK_Close, NULL);
 698
 699             ret = MOU_NORMAL;
 700         }
 701
 702         if (ret == MOU_UNHANDLED)
 703             dlg_select_widget (w);
 704     }
 705
 706     return ret;
 707 }
 708
 709 /* --------------------------------------------------------------------------------------------- */
 710
 711 static cb_ret_t
 712 edit_dialog_command_execute (WDialog * h, unsigned long command)
 713 {
 714     Widget *wh = WIDGET (h);
 715     gboolean ret = MSG_HANDLED;
 716
 717     switch (command)
 718     {
 719     case CK_EditNew:
 720         edit_add_window (h, wh->y + 1, wh->x, wh->lines - 2, wh->cols, NULL, 0);
 721         break;
 722     case CK_EditFile:
 723         edit_load_cmd (h);
 724         break;
 725     case CK_EditSyntaxFile:
 726         edit_load_syntax_file (h);
 727         break;
 728     case CK_EditUserMenu:
 729         edit_load_menu_file (h);
 730         break;
 731     case CK_Close:
 732         /* if there are no opened files anymore, close MC editor */
 733         if (edit_widget_is_editor (WIDGET (h->current->data)) &&
 734             edit_close_cmd ((WEdit *) h->current->data) && find_editor (h) == NULL)
 735             dlg_stop (h);
 736         break;
 737     case CK_Help:
 738         edit_help ();
 739         /* edit->force |= REDRAW_COMPLETELY; */
 740         break;
 741     case CK_Menu:
 742         edit_menu_cmd (h);
 743         break;
 744     case CK_Quit:
 745     case CK_Cancel:
 746         {
 747             Widget *w = WIDGET (h->current->data);
 748
 749             if (!edit_widget_is_editor (w) || ((WEdit *) w)->drag_state == MCEDIT_DRAG_NORMAL)
 750                 dlg_stop (h);
 751             else
 752                 edit_restore_size ((WEdit *) w);
 753         }
 754         break;
 755     case CK_About:
 756         edit_about ();
 757         break;
 758     case CK_SyntaxOnOff:
 759         edit_syntax_onoff_cmd (h);
 760         break;
 761     case CK_ShowTabTws:
 762         edit_show_tabs_tws_cmd (h);
 763         break;
 764     case CK_ShowMargin:
 765         edit_show_margin_cmd (h);
 766         break;
 767     case CK_ShowNumbers:
 768         edit_show_numbers_cmd (h);
 769         break;
 770     case CK_Refresh:
 771         edit_refresh_cmd ();
 772         break;
 773     case CK_Shell:
 774         view_other_cmd ();
 775         break;
 776     case CK_LearnKeys:
 777         learn_keys ();
 778         break;
 779     case CK_WindowMove:
 780     case CK_WindowResize:
 781         if (edit_widget_is_editor (WIDGET (h->current->data)))
 782             edit_handle_move_resize ((WEdit *) h->current->data, command);
 783         break;
 784     case CK_WindowList:
 785         edit_window_list (h);
 786         break;
 787     case CK_WindowNext:
 788         dlg_one_down (h);
 789         dlg_set_top_widget (h->current->data);
 790         break;
 791     case CK_WindowPrev:
 792         dlg_one_up (h);
 793         dlg_set_top_widget (h->current->data);
 794         break;
 795     case CK_Options:
 796         edit_options_dialog (h);
 797         break;
 798     case CK_OptionsSaveMode:
 799         edit_save_mode_cmd ();
 800         break;
 801     case CK_SaveSetup:
 802         save_setup_cmd ();
 803         break;
 804     default:
 805         ret = MSG_NOT_HANDLED;
 806         break;
 807     }
 808
 809     return ret;
 810 }
 811
 812 /* --------------------------------------------------------------------------------------------- */
 813 /*
 814  * Translate the keycode into either 'command' or 'char_for_insertion'.
 815  * 'command' is one of the editor commands from cmddef.h.
 816  */
 817
 818 static gboolean
 819 edit_translate_key (WEdit * edit, long x_key, int *cmd, int *ch)
 820 {
 821     unsigned long command = (unsigned long) CK_InsertChar;
 822     int char_for_insertion = -1;
 823
 824     /* an ordinary insertable character */
 825     if (!edit->extmod && x_key < 256)
 826     {
 827 #ifndef HAVE_CHARSET
 828         if (is_printable (x_key))
 829         {
 830             char_for_insertion = x_key;
 831             goto fin;
 832         }
 833 #else
 834         int c;
 835
 836         if (edit->charpoint >= 4)
 837         {
 838             edit->charpoint = 0;
 839             edit->charbuf[edit->charpoint] = '\0';
 840         }
 841         if (edit->charpoint < 4)
 842         {
 843             edit->charbuf[edit->charpoint++] = x_key;
 844             edit->charbuf[edit->charpoint] = '\0';
 845         }
 846
 847         /* input from 8-bit locale */
 848         if (!mc_global.utf8_display)
 849         {
 850             /* source in 8-bit codeset */
 851             c = convert_from_input_c (x_key);
 852
 853             if (is_printable (c))
 854             {
 855                 if (!edit->utf8)
 856                     char_for_insertion = c;
 857                 else
 858                     char_for_insertion = convert_from_8bit_to_utf_c2 ((unsigned char) x_key);
 859                 goto fin;
 860             }
 861         }
 862         else
 863         {
 864             /* UTF-8 locale */
 865             int res;
 866
 867             res = str_is_valid_char (edit->charbuf, edit->charpoint);
 868             if (res < 0 && res != -2)
 869             {
 870                 edit->charpoint = 0;    /* broken multibyte char, skip */
 871                 goto fin;
 872             }
 873
 874             if (edit->utf8)
 875             {
 876                 /* source in UTF-8 codeset */
 877                 if (res < 0)
 878                 {
 879                     char_for_insertion = x_key;
 880                     goto fin;
 881                 }
 882
 883                 edit->charbuf[edit->charpoint] = '\0';
 884                 edit->charpoint = 0;
 885                 if (g_unichar_isprint (g_utf8_get_char (edit->charbuf)))
 886                 {
 887                     char_for_insertion = x_key;
 888                     goto fin;
 889                 }
 890             }
 891             else
 892             {
 893                 /* 8-bit source */
 894                 if (res < 0)
 895                 {
 896                     /* not finised multibyte input (in meddle multibyte utf-8 char) */
 897                     goto fin;
 898                 }
 899
 900                 if (g_unichar_isprint (g_utf8_get_char (edit->charbuf)))
 901                 {
 902                     c = convert_from_utf_to_current (edit->charbuf);
 903                     edit->charbuf[0] = '\0';
 904                     edit->charpoint = 0;
 905                     char_for_insertion = c;
 906                     goto fin;
 907                 }
 908
 909                 /* unprinteble utf input, skip it */
 910                 edit->charbuf[0] = '\0';
 911                 edit->charpoint = 0;
 912             }
 913         }
 914 #endif /* HAVE_CHARSET */
 915     }
 916
 917     /* Commands specific to the key emulation */
 918     if (edit->extmod)
 919     {
 920         edit->extmod = FALSE;
 921         command = keybind_lookup_keymap_command (editor_x_map, x_key);
 922     }
 923     else
 924         command = keybind_lookup_keymap_command (editor_map, x_key);
 925
 926     if (command == CK_IgnoreKey)
 927         command = CK_InsertChar;
 928
 929   fin:
 930     *cmd = (int) command;       /* FIXME */
 931     *ch = char_for_insertion;
 932
 933     return !(command == (unsigned long) CK_InsertChar && char_for_insertion == -1);
 934 }
 935
 936
 937 /* --------------------------------------------------------------------------------------------- */
 938
 939 static inline void
 940 edit_quit (WDialog * h)
 941 {
 942     GList *l;
 943     WEdit *e = NULL;
 944
 945     h->state = DLG_ACTIVE;      /* don't stop the dialog before final decision */
 946
 947     for (l = h->widgets; l != NULL; l = g_list_next (l))
 948         if (edit_widget_is_editor (WIDGET (l->data)))
 949         {
 950             e = (WEdit *) l->data;
 951
 952             if (e->drag_state != MCEDIT_DRAG_NORMAL)
 953             {
 954                 edit_restore_size (e);
 955                 return;
 956             }
 957
 958             if (e->modified)
 959             {
 960                 dlg_select_widget (e);
 961
 962                 if (!edit_ok_to_exit (e))
 963                     return;
 964             }
 965         }
 966
 967     /* no editors in dialog at all or no any file required to be saved */
 968     if (e == NULL || l == NULL)
 969         h->state = DLG_CLOSED;
 970 }
 971
 972 /* --------------------------------------------------------------------------------------------- */
 973
 974 static inline void
 975 edit_set_buttonbar (WEdit * edit, WButtonBar * bb)
 976 {
 977     buttonbar_set_label (bb, 1, Q_ ("ButtonBar|Help"), editor_map, NULL);
 978     buttonbar_set_label (bb, 2, Q_ ("ButtonBar|Save"), editor_map, WIDGET (edit));
 979     buttonbar_set_label (bb, 3, Q_ ("ButtonBar|Mark"), editor_map, WIDGET (edit));
 980     buttonbar_set_label (bb, 4, Q_ ("ButtonBar|Replac"), editor_map, WIDGET (edit));
 981     buttonbar_set_label (bb, 5, Q_ ("ButtonBar|Copy"), editor_map, WIDGET (edit));
 982     buttonbar_set_label (bb, 6, Q_ ("ButtonBar|Move"), editor_map, WIDGET (edit));
 983     buttonbar_set_label (bb, 7, Q_ ("ButtonBar|Search"), editor_map, WIDGET (edit));
 984     buttonbar_set_label (bb, 8, Q_ ("ButtonBar|Delete"), editor_map, WIDGET (edit));
 985     buttonbar_set_label (bb, 9, Q_ ("ButtonBar|PullDn"), editor_map, NULL);
 986     buttonbar_set_label (bb, 10, Q_ ("ButtonBar|Quit"), editor_map, NULL);
 987 }
 988
 989 /* --------------------------------------------------------------------------------------------- */
 990 /** Callback for the edit dialog */
 991
 992 static cb_ret_t
 993 edit_dialog_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
 994 {
 995     WMenuBar *menubar;
 996     WButtonBar *buttonbar;
 997     WDialog *h = DIALOG (w);
 998
 999     switch (msg)
1000     {
1001     case MSG_INIT:
1002         edit_dlg_init ();
1003         return MSG_HANDLED;
1004
1005     case MSG_DRAW:
1006         /* don't use dlg_default_repaint() -- we don't need a frame */
1007         tty_setcolor (EDITOR_BACKGROUND);
1008         dlg_erase (h);
1009         return MSG_HANDLED;
1010
1011     case MSG_RESIZE:
1012         menubar = find_menubar (h);
1013         buttonbar = find_buttonbar (h);
1014         /* dlg_set_size() is surplus for this case */
1015         w->lines = LINES;
1016         w->cols = COLS;
1017         widget_set_size (WIDGET (buttonbar), w->lines - 1, w->x, 1, w->cols);
1018         widget_set_size (WIDGET (menubar), w->y, w->x, 1, w->cols);
1019         menubar_arrange (menubar);
1020         g_list_foreach (h->widgets, (GFunc) edit_dialog_resize_cb, NULL);
1021         return MSG_HANDLED;
1022
1023     case MSG_ACTION:
1024         /* shortcut */
1025         if (sender == NULL)
1026             return edit_dialog_command_execute (h, parm);
1027         /* message from menu */
1028         menubar = find_menubar (h);
1029         if (sender == WIDGET (menubar))
1030         {
1031             if (edit_dialog_command_execute (h, parm) == MSG_HANDLED)
1032                 return MSG_HANDLED;
1033             /* try send command to the current window */
1034             return send_message (h->current->data, NULL, MSG_ACTION, parm, NULL);
1035         }
1036         /* message from buttonbar */
1037         buttonbar = find_buttonbar (h);
1038         if (sender == WIDGET (buttonbar))
1039         {
1040             if (data != NULL)
1041                 return send_message (data, NULL, MSG_ACTION, parm, NULL);
1042             return edit_dialog_command_execute (h, parm);
1043         }
1044         return MSG_NOT_HANDLED;
1045
1046     case MSG_KEY:
1047         {
1048             Widget *we = WIDGET (h->current->data);
1049             cb_ret_t ret = MSG_NOT_HANDLED;
1050
1051             if (edit_widget_is_editor (we))
1052             {
1053                 WEdit *e = (WEdit *) we;
1054                 unsigned long command;
1055
1056                 if (!e->extmod)
1057                     command = keybind_lookup_keymap_command (editor_map, parm);
1058                 else
1059                 {
1060                     e->extmod = FALSE;
1061                     command = keybind_lookup_keymap_command (editor_x_map, parm);
1062                 }
1063
1064                 if (command != CK_IgnoreKey)
1065                     ret = edit_dialog_command_execute (h, command);
1066             }
1067
1068             return ret;
1069         }
1070
1071         /* hardcoded menu hotkeys (see edit_drop_hotkey_menu) */
1072     case MSG_UNHANDLED_KEY:
1073         return edit_drop_hotkey_menu (h, parm) ? MSG_HANDLED : MSG_NOT_HANDLED;
1074
1075     case MSG_VALIDATE:
1076         edit_quit (h);
1077         return MSG_HANDLED;
1078
1079     case MSG_END:
1080         edit_dlg_deinit ();
1081         return MSG_HANDLED;
1082
1083     default:
1084         return dlg_default_callback (w, sender, msg, parm, data);
1085     }
1086 }
1087
1088 /* --------------------------------------------------------------------------------------------- */
1089
1090 static cb_ret_t
1091 edit_callback (Widget * w, Widget * sender, widget_msg_t msg, int parm, void *data)
1092 {
1093     WEdit *e = (WEdit *) w;
1094
1095     switch (msg)
1096     {
1097     case MSG_FOCUS:
1098         edit_set_buttonbar (e, find_buttonbar (w->owner));
1099         /* fall through */
1100
1101     case MSG_DRAW:
1102         e->force |= REDRAW_COMPLETELY;
1103         edit_update_screen (e);
1104         return MSG_HANDLED;
1105
1106     case MSG_UNFOCUS:
1107         /* redraw frame and status */
1108         edit_status (e, FALSE);
1109         return MSG_HANDLED;
1110
1111     case MSG_KEY:
1112         {
1113             int cmd, ch;
1114             cb_ret_t ret = MSG_NOT_HANDLED;
1115
1116             /* The user may override the access-keys for the menu bar. */
1117             if (macro_index == -1 && edit_execute_macro (e, parm))
1118             {
1119                 edit_update_screen (e);
1120                 ret = MSG_HANDLED;
1121             }
1122             else if (edit_translate_key (e, parm, &cmd, &ch))
1123             {
1124                 edit_execute_key_command (e, cmd, ch);
1125                 edit_update_screen (e);
1126                 ret = MSG_HANDLED;
1127             }
1128
1129             return ret;
1130         }
1131
1132     case MSG_ACTION:
1133         /* command from menubar or buttonbar */
1134         edit_execute_key_command (e, parm, -1);
1135         edit_update_screen (e);
1136         return MSG_HANDLED;
1137
1138     case MSG_CURSOR:
1139         {
1140             int y, x;
1141
1142             y = (e->fullscreen ? 0 : 1) + EDIT_TEXT_VERTICAL_OFFSET + e->curs_row;
1143             x = (e->fullscreen ? 0 : 1) + EDIT_TEXT_HORIZONTAL_OFFSET + option_line_state_width +
1144                 e->curs_col + e->start_col + e->over_col;
1145
1146             widget_move (w, y, x);
1147             return MSG_HANDLED;
1148         }
1149
1150     case MSG_DESTROY:
1151         edit_clean (e);
1152         return MSG_HANDLED;
1153
1154     default:
1155         return widget_default_callback (w, sender, msg, parm, data);
1156     }
1157 }
1158
1159 /* --------------------------------------------------------------------------------------------- */
1160 /*** public functions ****************************************************************************/
1161 /* --------------------------------------------------------------------------------------------- */
1162 /**
1163  * Edit one file.
1164  *
1165  * @param file_vpath file object
1166  * @param line       line number
1167  * @return TRUE if no errors was occurred, FALSE otherwise
1168  */
1169
1170 gboolean
1171 edit_file (const vfs_path_t * file_vpath, long line)
1172 {
1173     mcedit_arg_t arg = { (vfs_path_t *) file_vpath, line };
1174     GList *files;
1175     gboolean ok;
1176
1177     files = g_list_prepend (NULL, &arg);
1178     ok = edit_files (files);
1179     g_list_free (files);
1180
1181     return ok;
1182 }
1183
1184 /* --------------------------------------------------------------------------------------------- */
1185
1186 gboolean
1187 edit_files (const GList * files)
1188 {
1189     static gboolean made_directory = FALSE;
1190     WDialog *edit_dlg;
1191     WMenuBar *menubar;
1192     const GList *file;
1193     gboolean ok = FALSE;
1194
1195     if (!made_directory)
1196     {
1197         char *dir;
1198
1199         dir = mc_build_filename (mc_config_get_cache_path (), EDIT_DIR, NULL);
1200         made_directory = (mkdir (dir, 0700) != -1 || errno == EEXIST);
1201         g_free (dir);
1202
1203         dir = mc_build_filename (mc_config_get_path (), EDIT_DIR, NULL);
1204         made_directory = (mkdir (dir, 0700) != -1 || errno == EEXIST);
1205         g_free (dir);
1206
1207         dir = mc_build_filename (mc_config_get_data_path (), EDIT_DIR, NULL);
1208         made_directory = (mkdir (dir, 0700) != -1 || errno == EEXIST);
1209         g_free (dir);
1210     }
1211
1212     /* Create a new dialog and add it widgets to it */
1213     edit_dlg =
1214         create_dlg (FALSE, 0, 0, LINES, COLS, NULL, edit_dialog_callback, edit_dialog_event,
1215                     "[Internal File Editor]", NULL, DLG_WANT_TAB);
1216
1217     edit_dlg->get_shortcut = edit_get_shortcut;
1218     edit_dlg->get_title = edit_get_title;
1219
1220     menubar = menubar_new (0, 0, COLS, NULL);
1221     add_widget (edit_dlg, menubar);
1222     edit_init_menu (menubar);
1223
1224     add_widget (edit_dlg, buttonbar_new (TRUE));
1225
1226     for (file = files; file != NULL; file = g_list_next (file))
1227     {
1228         Widget *w = WIDGET (edit_dlg);
1229         mcedit_arg_t *f = (mcedit_arg_t *) file->data;
1230         gboolean f_ok;
1231
1232         f_ok = edit_add_window (edit_dlg, w->y + 1, w->x, w->lines - 2, w->cols, f->file_vpath,
1233                                 f->line_number);
1234         /* at least one file has been opened succefully */
1235         ok = ok || f_ok;
1236     }
1237
1238     if (ok)
1239         run_dlg (edit_dlg);
1240
1241     if (!ok || edit_dlg->state == DLG_CLOSED)
1242         destroy_dlg (edit_dlg);
1243
1244     return ok;
1245 }
1246
1247 /* --------------------------------------------------------------------------------------------- */
1248
1249 char *
1250 edit_get_file_name (const WEdit * edit)
1251 {
1252     return vfs_path_to_str (edit->filename_vpath);
1253 }
1254
1255 /* --------------------------------------------------------------------------------------------- */
1256
1257 WEdit *
1258 find_editor (const WDialog * h)
1259 {
1260     if (edit_widget_is_editor (WIDGET (h->current->data)))
1261         return (WEdit *) h->current->data;
1262     return (WEdit *) find_widget_type (h, edit_callback);
1263 }
1264
1265 /* --------------------------------------------------------------------------------------------- */
1266 /**
1267  * Check if widget is an WEdit class.
1268  *
1269  * @param w probably editor object
1270  * @return TRUE if widget is an WEdit class, FALSE otherwise
1271  */
1272
1273 gboolean
1274 edit_widget_is_editor (const Widget * w)
1275 {
1276     return (w != NULL && w->callback == edit_callback);
1277 }
1278
1279 /* --------------------------------------------------------------------------------------------- */
1280
1281 void
1282 edit_update_screen (WEdit * e)
1283 {
1284     WDialog *h = WIDGET (e)->owner;
1285
1286     edit_scroll_screen_over_cursor (e);
1287     edit_update_curs_col (e);
1288
1289     edit_status (e, (e->force & REDRAW_COMPLETELY) != 0 && (void *) e == h->current->data);
1290
1291     /* pop all events for this window for internal handling */
1292     if (!is_idle ())
1293         e->force |= REDRAW_PAGE;
1294     else
1295     {
1296         if ((e->force & REDRAW_COMPLETELY) != 0)
1297             e->force |= REDRAW_PAGE;
1298         edit_render_keypress (e);
1299     }
1300
1301     widget_redraw (WIDGET (find_buttonbar (h)));
1302 }
1303
1304 /* --------------------------------------------------------------------------------------------- */
1305 /**
1306  * Save current window size.
1307  *
1308  * @param edit editor object
1309  */
1310
1311 void
1312 edit_save_size (WEdit * edit)
1313 {
1314     Widget *w = WIDGET (edit);
1315
1316     edit->y_prev = w->y;
1317     edit->x_prev = w->x;
1318     edit->lines_prev = w->lines;
1319     edit->cols_prev = w->cols;
1320 }
1321
1322 /* --------------------------------------------------------------------------------------------- */
1323 /**
1324  * Create new editor window and insert it into editor screen.
1325  *
1326  * @param h     editor dialog (screen)
1327  * @param y     y coordinate
1328  * @param x     x coordinate
1329  * @param lines window height
1330  * @param cols  window width
1331  * @param f     file object
1332  * @param fline line number in file
1333  * @return TRUE if new window was successfully created and inserted into editor screen,
1334  *         FALSE otherwise
1335  */
1336
1337 gboolean
1338 edit_add_window (WDialog * h, int y, int x, int lines, int cols, const vfs_path_t * f, long fline)
1339 {
1340     WEdit *edit;
1341     Widget *w;
1342
1343     edit = edit_init (NULL, y, x, lines, cols, f, fline);
1344     if (edit == NULL)
1345         return FALSE;
1346
1347     w = WIDGET (edit);
1348     w->callback = edit_callback;
1349     w->mouse = edit_event;
1350
1351     add_widget (h, w);
1352     dlg_redraw (h);
1353
1354     return TRUE;
1355 }
1356
1357 /* --------------------------------------------------------------------------------------------- */
1358 /**
1359  * Handle move/resize events.
1360  *
1361  * @param edit    editor object
1362  * @param command action id
1363  * @return TRUE if mouse actions was handled, FALSE otherwise
1364  */
1365
1366 gboolean
1367 edit_handle_move_resize (WEdit * edit, unsigned long command)
1368 {
1369     gboolean ret = FALSE;
1370
1371     if (edit->fullscreen)
1372     {
1373         edit->drag_state = MCEDIT_DRAG_NORMAL;
1374         return ret;
1375     }
1376
1377     switch (edit->drag_state)
1378     {
1379     case MCEDIT_DRAG_NORMAL:
1380         /* possible start move/resize */
1381         switch (command)
1382         {
1383         case CK_WindowMove:
1384             edit->drag_state = MCEDIT_DRAG_MOVE;
1385             edit_save_size (edit);
1386             ret = TRUE;
1387             break;
1388         case CK_WindowResize:
1389             edit->drag_state = MCEDIT_DRAG_RESIZE;
1390             edit_save_size (edit);
1391             ret = TRUE;
1392             break;
1393         default:
1394             break;
1395         }
1396         break;
1397
1398     case MCEDIT_DRAG_MOVE:
1399         switch (command)
1400         {
1401         case CK_WindowResize:
1402             edit->drag_state = MCEDIT_DRAG_RESIZE;
1403             ret = TRUE;
1404             break;
1405         case CK_Up:
1406         case CK_Down:
1407         case CK_Left:
1408         case CK_Right:
1409             edit_window_move (edit, command);
1410             ret = TRUE;
1411             break;
1412         case CK_Enter:
1413         case CK_WindowMove:
1414             edit->drag_state = MCEDIT_DRAG_NORMAL;
1415             /* redraw frame and status */
1416             edit_status (edit, TRUE);
1417         default:
1418             ret = TRUE;
1419             break;
1420         }
1421         break;
1422
1423     case MCEDIT_DRAG_RESIZE:
1424         switch (command)
1425         {
1426         case CK_WindowMove:
1427             edit->drag_state = MCEDIT_DRAG_MOVE;
1428             ret = TRUE;
1429             break;
1430         case CK_Up:
1431         case CK_Down:
1432         case CK_Left:
1433         case CK_Right:
1434             edit_window_resize (edit, command);
1435             ret = TRUE;
1436             break;
1437         case CK_Enter:
1438         case CK_WindowResize:
1439             edit->drag_state = MCEDIT_DRAG_NORMAL;
1440             /* redraw frame and status */
1441             edit_status (edit, TRUE);
1442         default:
1443             ret = TRUE;
1444             break;
1445         }
1446         break;
1447     }
1448
1449     return ret;
1450 }
1451
1452 /* --------------------------------------------------------------------------------------------- */
1453 /**
1454  * Toggle window fuulscreen mode.
1455  *
1456  * @param edit editor object
1457  */
1458
1459 void
1460 edit_toggle_fullscreen (WEdit * edit)
1461 {
1462     edit->fullscreen = !edit->fullscreen;
1463     edit->force = REDRAW_COMPLETELY;
1464
1465     if (!edit->fullscreen)
1466         edit_restore_size (edit);
1467     else
1468     {
1469         Widget *w = WIDGET (edit);
1470         Widget *h = WIDGET (w->owner);
1471
1472         edit_save_size (edit);
1473         widget_set_size (w, h->y + 1, h->x, h->lines - 2, h->cols);
1474         edit->force |= REDRAW_PAGE;
1475         edit_update_screen (edit);
1476     }
1477 }
1478
1479 /* --------------------------------------------------------------------------------------------- */