425 строки
12 KiB
C
425 строки
12 KiB
C
/* Learn keys
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Copyright (C) 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
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2007, 2009 Free Software Foundation, Inc.
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Written by: 1995 Jakub Jelinek
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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/** \file learn.c
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* \brief Source: learn keys module
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*/
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#include <config.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "lib/global.h"
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#include "lib/tty/tty.h"
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#include "lib/tty/key.h"
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#include "lib/mcconfig.h" /* Save profile */
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#include "lib/strescape.h"
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#include "lib/strutil.h"
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#include "lib/util.h" /* convert_controls() */
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#include "lib/widget.h"
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#include "src/filemanager/layout.h" /* mc_refresh() */
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#include "setup.h"
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#include "learn.h"
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/*** global variables ****************************************************************************/
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/*** file scope macro definitions ****************************************************************/
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#define UX 4
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#define UY 3
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#define BY UY + 17
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#define ROWS 13
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#define COLSHIFT 23
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#define BUTTONS 2
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/*** file scope type declarations ****************************************************************/
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typedef struct
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{
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Widget *button;
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Widget *label;
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int ok;
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char *sequence;
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} learnkey;
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/*** file scope variables ************************************************************************/
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static struct
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{
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int ret_cmd, flags, y, x;
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const char *text;
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} learn_but[BUTTONS] =
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{
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/* *INDENT-OFF */
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{
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B_CANCEL, NORMAL_BUTTON, 0, 39, N_("&Cancel")},
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{
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B_ENTER, DEFPUSH_BUTTON, 0, 25, N_("&Save")}
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/* *INDENT-ON */
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};
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static Dlg_head *learn_dlg;
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static learnkey *learnkeys = NULL;
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static int learn_total;
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static int learnok;
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static int learnchanged;
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static const char *learn_title = N_("Learn keys");
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/*** file scope functions ************************************************************************/
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/* --------------------------------------------------------------------------------------------- */
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static int
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learn_button (WButton * button, int action)
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{
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Dlg_head *d;
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char *seq;
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(void) button;
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d = create_message (D_ERROR, _("Teach me a key"),
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_("Please press the %s\n"
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"and then wait until this message disappears.\n\n"
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"Then, press it again to see if OK appears\n"
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"next to its button.\n\n"
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"If you want to escape, press a single Escape key\n"
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"and wait as well."), _(key_name_conv_tab[action - B_USER].longname));
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mc_refresh ();
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if (learnkeys[action - B_USER].sequence != NULL)
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{
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g_free (learnkeys[action - B_USER].sequence);
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learnkeys[action - B_USER].sequence = NULL;
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}
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seq = learn_key ();
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if (seq)
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{
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/* Esc hides the dialog and do not allow definitions of
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* regular characters
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*/
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gboolean seq_ok = FALSE;
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if (*seq && strcmp (seq, "\\e") && strcmp (seq, "\\e\\e")
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&& strcmp (seq, "^m") && strcmp (seq, "^i") && (seq[1] || (*seq < ' ' || *seq > '~')))
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{
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learnchanged = 1;
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learnkeys[action - B_USER].sequence = seq;
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seq = convert_controls (seq);
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seq_ok = define_sequence (key_name_conv_tab[action - B_USER].code, seq, MCKEY_NOACTION);
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}
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if (!seq_ok)
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message (D_NORMAL, _("Cannot accept this key"), _("You have entered \"%s\""), seq);
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g_free (seq);
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}
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dlg_run_done (d);
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destroy_dlg (d);
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dlg_select_widget (learnkeys[action - B_USER].button);
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return 0; /* Do not kill learn_dlg */
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}
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/* --------------------------------------------------------------------------------------------- */
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static int
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learn_move (int right)
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{
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int i, totalcols;
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totalcols = (learn_total - 1) / ROWS + 1;
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for (i = 0; i < learn_total; i++)
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if (learnkeys[i].button == (Widget *) learn_dlg->current->data)
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{
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if (right)
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{
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if (i < learn_total - ROWS)
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i += ROWS;
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else
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i %= ROWS;
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}
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else
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{
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if (i / ROWS)
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i -= ROWS;
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else if (i + (totalcols - 1) * ROWS >= learn_total)
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i += (totalcols - 2) * ROWS;
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else
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i += (totalcols - 1) * ROWS;
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}
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dlg_select_widget (learnkeys[i].button);
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return 1;
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}
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return 0;
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}
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/* --------------------------------------------------------------------------------------------- */
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static int
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learn_check_key (int c)
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{
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int i;
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for (i = 0; i < learn_total; i++)
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{
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if (key_name_conv_tab[i].code != c || learnkeys[i].ok)
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continue;
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dlg_select_widget (learnkeys[i].button);
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/* TRANSLATORS: This label appears near learned keys. Keep it short. */
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label_set_text ((WLabel *) learnkeys[i].label, _("OK"));
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learnkeys[i].ok = 1;
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learnok++;
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if (learnok >= learn_total)
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{
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learn_dlg->ret_value = B_CANCEL;
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if (learnchanged)
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{
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if (query_dialog (learn_title,
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_
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("It seems that all your keys already\n"
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"work fine. That's great."), D_ERROR, 2,
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_("&Save"), _("&Discard")) == 0)
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learn_dlg->ret_value = B_ENTER;
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}
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else
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{
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message (D_ERROR, learn_title,
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_
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("Great! You have a complete terminal database!\n"
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"All your keys work well."));
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}
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dlg_stop (learn_dlg);
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}
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return 1;
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}
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switch (c)
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{
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case KEY_LEFT:
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case 'h':
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return learn_move (0);
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case KEY_RIGHT:
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case 'l':
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return learn_move (1);
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case 'j':
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dlg_one_down (learn_dlg);
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return 1;
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case 'k':
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dlg_one_up (learn_dlg);
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return 1;
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}
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/* Prevent from disappearing if a non-defined sequence is pressed
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and contains a button hotkey. Only recognize hotkeys with ALT. */
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if (c < 255 && g_ascii_isalnum (c))
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return 1;
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return 0;
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}
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/* --------------------------------------------------------------------------------------------- */
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static cb_ret_t
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learn_callback (Dlg_head * h, Widget * sender, dlg_msg_t msg, int parm, void *data)
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{
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switch (msg)
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{
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case DLG_DRAW:
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common_dialog_repaint (h);
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return MSG_HANDLED;
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case DLG_KEY:
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return learn_check_key (parm);
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default:
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return default_dlg_callback (h, sender, msg, parm, data);
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}
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}
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/* --------------------------------------------------------------------------------------------- */
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static void
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init_learn (void)
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{
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int x, y, i, j;
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const key_code_name_t *key;
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char buffer[BUF_TINY];
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#ifdef ENABLE_NLS
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static int i18n_flag = 0;
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if (!i18n_flag)
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{
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learn_but[0].text = _(learn_but[0].text);
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learn_but[0].x = 78 / 2 + 4;
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learn_but[1].text = _(learn_but[1].text);
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learn_but[1].x = 78 / 2 - (str_term_width1 (learn_but[1].text) + 9);
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learn_title = _(learn_title);
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i18n_flag = 1;
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}
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#endif /* ENABLE_NLS */
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do_refresh ();
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learn_dlg =
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create_dlg (TRUE, 0, 0, 23, 78, dialog_colors, learn_callback,
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"[Learn keys]", learn_title, DLG_CENTER | DLG_REVERSE);
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for (i = 0; i < BUTTONS; i++)
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add_widget (learn_dlg,
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button_new (BY + learn_but[i].y, learn_but[i].x,
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learn_but[i].ret_cmd, learn_but[i].flags, _(learn_but[i].text), 0));
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x = UX;
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y = UY;
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for (key = key_name_conv_tab, j = 0;
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key->name != NULL && strcmp (key->name, "kpleft"); key++, j++)
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;
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learnkeys = g_new (learnkey, j);
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x += ((j - 1) / ROWS) * COLSHIFT;
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y += (j - 1) % ROWS;
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learn_total = j;
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learnok = 0;
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learnchanged = 0;
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for (i = j - 1, key = key_name_conv_tab + j - 1; i >= 0; i--, key--)
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{
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learnkeys[i].ok = 0;
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learnkeys[i].sequence = NULL;
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g_snprintf (buffer, sizeof (buffer), "%-16s", _(key->longname));
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add_widget (learn_dlg, learnkeys[i].button = (Widget *)
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button_new (y, x, B_USER + i, NARROW_BUTTON, buffer, learn_button));
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add_widget (learn_dlg, learnkeys[i].label = (Widget *) label_new (y, x + 19, ""));
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if (i % 13)
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y--;
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else
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{
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x -= COLSHIFT;
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y = UY + ROWS - 1;
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}
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}
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add_widget (learn_dlg,
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label_new (UY + 14, 5,
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_("Press all the keys mentioned here. After you have done it, check")));
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add_widget (learn_dlg,
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label_new (UY + 15, 5,
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_("which keys are not marked with OK. Press space on the missing")));
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add_widget (learn_dlg,
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label_new (UY + 16, 5,
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_("key, or click with the mouse to define it. Move around with Tab.")));
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}
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/* --------------------------------------------------------------------------------------------- */
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static void
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learn_done (void)
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{
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destroy_dlg (learn_dlg);
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repaint_screen ();
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}
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/* --------------------------------------------------------------------------------------------- */
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static void
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learn_save (void)
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{
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int i;
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int profile_changed = 0;
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char *section = g_strconcat ("terminal:", getenv ("TERM"), (char *) NULL);
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char *esc_str;
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for (i = 0; i < learn_total; i++)
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{
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if (learnkeys[i].sequence != NULL)
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{
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profile_changed = 1;
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esc_str = strutils_escape (learnkeys[i].sequence, -1, ";\\", TRUE);
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mc_config_set_string_raw (mc_main_config, section, key_name_conv_tab[i].name, esc_str);
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g_free (esc_str);
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}
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}
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/* On the one hand no good idea to save the complete setup but
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* without 'Auto save setup' the new key-definitions will not be
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* saved unless the user does an 'Options/Save Setup'.
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* On the other hand a save-button that does not save anything to
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* disk is much worse.
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*/
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if (profile_changed)
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mc_config_save_file (mc_main_config, NULL);
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g_free (section);
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}
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/* --------------------------------------------------------------------------------------------- */
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/*** public functions ****************************************************************************/
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/* --------------------------------------------------------------------------------------------- */
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void
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learn_keys (void)
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{
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int save_old_esc_mode = old_esc_mode;
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int save_alternate_plus_minus = alternate_plus_minus;
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old_esc_mode = 0; /* old_esc_mode cannot work in learn keys dialog */
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alternate_plus_minus = 1; /* don't translate KP_ADD, KP_SUBTRACT and
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KP_MULTIPLY to '+', '-' and '*' in
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correct_key_code */
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application_keypad_mode ();
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init_learn ();
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run_dlg (learn_dlg);
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old_esc_mode = save_old_esc_mode;
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alternate_plus_minus = save_alternate_plus_minus;
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if (!alternate_plus_minus)
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numeric_keypad_mode ();
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switch (learn_dlg->ret_value)
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{
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case B_ENTER:
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learn_save ();
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break;
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}
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learn_done ();
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}
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/* --------------------------------------------------------------------------------------------- */
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