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mc/src/learn.c

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/* Learn keys
Copyright (C) 1995 The Free Software Foundation
Written by: 1995 Jakub Jelinek
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <config.h>
#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif
#include <string.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <ctype.h>
#include "tty.h"
#include "global.h"
#include "win.h"
#include "color.h"
#include "dlg.h"
#include "widget.h"
#include "dialog.h" /* For do_refresh() */
#include "profile.h" /* Save profile */
#include "key.h"
#include "setup.h"
#include "main.h"
#include "learn.h"
#define UX 4
#define UY 3
#define BY UY + 17
#define ROWS 13
#define COLSHIFT 23
#define BUTTONS 2
static struct {
int ret_cmd, flags, y, x;
unsigned int hotkey;
char *text;
} learn_but[BUTTONS] = {
{ B_CANCEL, NORMAL_BUTTON, 0, 39, 'C', N_("&Cancel") },
{ B_ENTER, DEFPUSH_BUTTON, 0, 25, 'S', N_("&Save") }
};
static Dlg_head *learn_dlg;
typedef struct {
Widget *button;
Widget *label;
int ok;
char *sequence;
} learnkey;
static learnkey *learnkeys = NULL;
static int learn_total;
static int learnok;
static int learnchanged;
static char* learn_title = N_(" Learn keys ");
static void learn_refresh (void)
{
attrset (COLOR_NORMAL);
dlg_erase (learn_dlg);
draw_box (learn_dlg, 1, 2, learn_dlg->lines - 2, learn_dlg->cols - 4);
attrset (COLOR_HOT_NORMAL);
dlg_move (learn_dlg, 1, (learn_dlg->cols - strlen (learn_title)) / 2);
addstr (learn_title);
}
static int learn_button (int action, void *param)
{
unsigned char *seq;
Dlg_head *d = message (D_INSERT | 1, _(" Teach me a key "),
_("Please press the %s\n"
"and then wait until this message disappears.\n\n"
"Then, press it again to see if OK appears\n"
"next to its button.\n\n"
"If you want to escape, press a single Escape key\n"
"and wait as well."),
_(key_name_conv_tab [action - B_USER].longname));
mc_refresh ();
if (learnkeys [action - B_USER].sequence != NULL) {
g_free (learnkeys [action - B_USER].sequence);
learnkeys [action - B_USER].sequence = NULL;
}
seq = learn_key ();
if (seq){
/* Esc hides the dialog and do not allow definitions of
* regular characters
*/
if (*seq && strcmp (seq, "\\e") && strcmp (seq, "\\e\\e")
&& strcmp (seq, "^m" )
&& (seq [1] || (*seq < ' ' || *seq > '~'))){
learnchanged = 1;
learnkeys [action - B_USER].sequence = seq;
seq = convert_controls (seq);
define_sequence (key_name_conv_tab [action - B_USER].code, seq,
MCKEY_NOACTION);
} else {
message (0, _(" Cannot accept this key "),
_(" You have entered \"%s\""), seq);
}
g_free (seq);
}
dlg_run_done (d);
destroy_dlg (d);
dlg_select_widget (learn_dlg, learnkeys [action - B_USER].button);
return 0; /* Do not kill learn_dlg */
}
static int learn_move (int right)
{
int i, totalcols;
totalcols = (learn_total - 1) / ROWS + 1;
for (i = 0; i < learn_total; i++)
if (learnkeys [i].button == learn_dlg->current->widget) {
if (right) {
if (i < learn_total - ROWS)
i += ROWS;
else
i %= ROWS;
} else {
if (i / ROWS)
i -= ROWS;
else if (i + (totalcols - 1) * ROWS >= learn_total)
i += (totalcols - 2) * ROWS;
else
i += (totalcols - 1) * ROWS;
}
dlg_select_widget (learn_dlg, (void *) learnkeys [i].button);
return 1;
}
return 0;
}
static int learn_check_key (int c)
{
int i;
for (i = 0; i < learn_total; i++) {
if (key_name_conv_tab [i].code == c) {
if (!learnkeys [i].ok) {
dlg_select_widget (learn_dlg, learnkeys [i].button);
label_set_text ((WLabel *) learnkeys [i].label,
_("OK"));
learnkeys [i].ok = 1;
learnok++;
if (learnok >= learn_total) {
learn_dlg->ret_value = B_CANCEL;
if (learnchanged) {
if (query_dialog (learn_title,
_("It seems that all your keys already\n"
"work fine. That's great."),
1, 2, _("&Save"), _("&Discard")) == 0)
learn_dlg->ret_value = B_ENTER;
} else {
message (1, learn_title,
_("Great! You have a complete terminal database!\n"
"All your keys work well."));
}
dlg_stop (learn_dlg);
}
return 1;
}
}
}
switch (c) {
case KEY_LEFT:
case 'h':
return learn_move (0);
case KEY_RIGHT:
case 'l':
return learn_move (1);
case 'j':
dlg_one_down (learn_dlg);
return 1;
case 'k':
dlg_one_up (learn_dlg);
return 1;
}
/* Prevent from disappearing if a non-defined sequence is pressed
and contains s or c. Use ALT('s') or ALT('c'). */
if (c < 255 && isalpha(c))
{
c = toupper(c);
for (i = 0; i < BUTTONS; i++)
if (c == learn_but [i].hotkey)
return 1;
}
return 0;
}
static int learn_callback (Dlg_head * h, int Par, int Msg)
{
switch (Msg) {
case DLG_DRAW:
learn_refresh ();
break;
case DLG_KEY:
return learn_check_key (Par);
}
return 0;
}
static void init_learn (void)
{
int x, y, i, j;
key_code_name_t *key;
char buffer [BUF_TINY];
static int i18n_flag = 0;
do_refresh ();
#ifdef ENABLE_NLS
if (!i18n_flag)
{
char* cp;
learn_but [0].text = _(learn_but [0].text);
learn_but [0].x = 78 / 2 + 4;
learn_but [1].text = _(learn_but [1].text);
learn_but [1].x = 78 / 2 - (strlen (learn_but [1].text) + 9);
for (i = 0; i < BUTTONS; i++)
{
cp = strchr(learn_but [i].text, '&');
if (cp != NULL && *++cp != '\0')
learn_but [i].hotkey = toupper(*cp);
}
learn_title = _(learn_title);
i18n_flag = 1;
}
#endif /* ENABLE_NLS */
learn_dlg = create_dlg (0, 0, 23, 78, dialog_colors,
learn_callback, "[Learn keys]", "Learn keys",
DLG_CENTER);
x_set_dialog_title (learn_dlg, _("Learn keys"));
#define XTRACT(i) BY+learn_but[i].y, learn_but[i].x, learn_but[i].ret_cmd, learn_but[i].flags, _(learn_but[i].text), 0, 0, NULL
for (i = 0; i < BUTTONS; i++)
add_widget (learn_dlg, button_new (XTRACT (i)));
x = UX;
y = UY;
for (key = key_name_conv_tab, j = 0; key->name != NULL &&
strcmp (key->name, "kpleft"); key++, j++);
learnkeys = g_new (learnkey, j);
x += ((j - 1) / ROWS) * COLSHIFT;
y += (j - 1) % ROWS;
learn_total = j;
learnok = 0;
learnchanged = 0;
for (i = j - 1, key = key_name_conv_tab + j - 1; i >= 0; i--, key--) {
learnkeys [i].ok = 0;
learnkeys [i].sequence = NULL;
g_snprintf (buffer, sizeof (buffer), "%-16s", _(key->longname));
add_widget (learn_dlg, learnkeys [i].button = (Widget *)
button_new (y, x, B_USER + i, NARROW_BUTTON, buffer, learn_button, 0, NULL));
add_widget (learn_dlg, learnkeys [i].label = (Widget *)
label_new (y, x + 19, "", NULL));
if (i % 13)
y--;
else {
x -= COLSHIFT;
y = UY + ROWS - 1;
}
}
add_widget (learn_dlg,
label_new (UY+14, 5, _("Press all the keys mentioned here. After you have done it, check"), NULL));
add_widget (learn_dlg,
label_new (UY+15, 5, _("which keys are not marked with OK. Press space on the missing"), NULL));
add_widget (learn_dlg,
label_new (UY+16, 5, _("key, or click with the mouse to define it. Move around with Tab."), NULL));
}
static void learn_done (void)
{
destroy_dlg (learn_dlg);
repaint_screen ();
}
static void
learn_save (void)
{
int i;
int profile_changed = 0;
char *section = g_strconcat ("terminal:", getenv ("TERM"), NULL);
for (i = 0; i < learn_total; i++) {
if (learnkeys [i].sequence != NULL) {
profile_changed = 1;
WritePrivateProfileString (section, key_name_conv_tab [i].name,
learnkeys [i].sequence, profile_name);
}
}
/* On the one hand no good idea to save the complete setup but
* without 'Auto save setup' the new key-definitions will not be
* saved unless the user does an 'Options/Save Setup'.
* On the other hand a save-button that does not save anything to
* disk is much worse.
*/
if (profile_changed)
sync_profiles ();
}
void learn_keys (void)
{
int save_old_esc_mode = old_esc_mode;
int save_alternate_plus_minus = alternate_plus_minus;
old_esc_mode = 0; /* old_esc_mode cannot work in learn keys dialog */
alternate_plus_minus = 1; /* don't translate KP_ADD, KP_SUBTRACT and
KP_MULTIPLY to '+', '-' and '*' in
correct_key_code */
application_keypad_mode ();
init_learn ();
run_dlg (learn_dlg);
old_esc_mode = save_old_esc_mode;
alternate_plus_minus = save_alternate_plus_minus;
if (!alternate_plus_minus)
numeric_keypad_mode ();
switch (learn_dlg->ret_value) {
case B_ENTER:
learn_save ();
break;
}
learn_done ();
}
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