mirror of
https://github.com/reactos/reactos.git
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280 lines
7.5 KiB
C
280 lines
7.5 KiB
C
/* Curses utilities
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Copyright (C) 1995 Miguel de Icaza, Janne Kukonlehto
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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., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include <config.h>
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#include "tty.h"
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#include <stdio.h>
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#include <stdlib.h> /* For free() */
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#include <string.h>
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#if (!defined(__IBMC__) && !defined(__IBMCPP__)) && !defined(OS2_NT)
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# include <termios.h>
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#endif
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#include "mad.h"
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#include "color.h"
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#include "mouse.h"
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#include "util.h" /* For xmalloc() */
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#include "dlg.h"
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#include "widget.h"
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#include "win.h"
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#include "key.h" /* XCTRL and ALT macros */
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#include "layout.h"
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#include "global.h"
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/* "$Id$" */
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typedef void (*fnptr)(void);
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typedef struct Fkey_Table_List {
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fnptr actions[11];
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struct Fkey_Table_List *next;
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int has_labels;
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} Fkey_Table_List;
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static Fkey_Table_List *fkey_table_list = NULL;
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/* Width of output is always seven characters */
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void sprint_bytesize (char *buffer, int size, int scale)
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{
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char scales[] = " kMGT";
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if (size > 0){
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while (size > 9999 && scale < sizeof (scales)){
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size = (size + 512) / 1024;
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scale ++;
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}
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}
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if (scale > 0)
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sprintf (buffer, "%4d %cb", size, scales[scale]);
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else
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sprintf (buffer, "%4d b ", size);
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}
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void print_bytesize (int size, int scale)
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{
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char buffer [10];
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sprint_bytesize (buffer, size, scale);
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printw (buffer);
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}
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/* Return values: 0 = not a fkey, other = was a fkey */
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int check_fkeys (int c)
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{
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int fkey;
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if (!fkey_table_list)
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return 0;
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switch (c){
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case KEY_F(1):
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fkey = 1;
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break;
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case KEY_F(2):
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fkey = 2;
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break;
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case KEY_F(3):
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fkey = 3;
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break;
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case KEY_F(4):
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fkey = 4;
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break;
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case KEY_F(5):
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fkey = 5;
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break;
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case KEY_F(6):
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fkey = 6;
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break;
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case KEY_F(7):
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fkey = 7;
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break;
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case KEY_F(8):
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fkey = 8;
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break;
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case KEY_F(9):
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fkey = 9;
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break;
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case KEY_F(10):
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fkey = 10;
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break;
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default:
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return 0;
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}
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if (fkey_table_list->actions [fkey]){
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fkey_table_list->actions [fkey] ();
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return fkey;
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}
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else
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return 0;
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}
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/* Return values: 0 = not a movement key, 1 = was a movement key */
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int check_movement_keys (int c, int additional, int page_size, void *data,
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movefn backfn, movefn forfn, movefn topfn,
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movefn bottomfn)
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{
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switch (c){
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case KEY_UP:
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case XCTRL ('p'):
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(*backfn)(data, 1);
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return 1;
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case KEY_DOWN:
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case XCTRL ('n'):
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(*forfn)(data, 1);
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return 1;
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case KEY_PPAGE:
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case ALT('v'):
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(*backfn)(data, page_size-1);
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return 1;
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case KEY_NPAGE:
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case XCTRL('v'):
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(*forfn)(data, page_size-1);
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return 1;
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case KEY_HOME:
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case KEY_A1:
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(*topfn)(data, 0);
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return 1;
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case KEY_END:
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case KEY_C1:
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(*bottomfn)(data, 0);
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return 1;
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}
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if (additional)
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switch (c){
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case 'b':
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case XCTRL('h'):
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case KEY_BACKSPACE:
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case 0177:
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(*backfn)(data, page_size-1);
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return 1;
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case ' ':
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(*forfn)(data, page_size-1);
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return 1;
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case 'u':
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(*backfn)(data, page_size / 2);
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return 1;
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case 'd':
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(*forfn)(data, page_size / 2);
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return 1;
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case 'g':
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(*topfn)(data, 0);
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return 1;
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case 'G':
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(*bottomfn)(data, 0);
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return 1;
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}
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return 0;
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}
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void mc_raw_mode (void)
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{
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raw ();
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}
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void mc_noraw_mode (void)
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{
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noraw ();
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}
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/* Classification routines */
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int is_abort_char (int c)
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{
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return (c == XCTRL('c') || c == XCTRL('g') || c == ESC_CHAR ||
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c == KEY_F(10));
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}
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int is_quit_char (int c)
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{
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return (c == XCTRL('g') || (c == ESC_CHAR) || (c == KEY_F(10)));
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}
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/* This table is a mapping between names and the constants we use
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* We use this to allow users to define alternate definitions for
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* certain keys that may be missing from the terminal database
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*/
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key_code_name_t key_name_conv_tab [] = {
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/* KEY_F(0) is not here, since we are mapping it to f10, so there is no reason
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to define f0 as well. Also, it makes Learn keys a bunch of problems :( */
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{ KEY_F(1), "f1", N_("Function key 1") },
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{ KEY_F(2), "f2", N_("Function key 2") },
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{ KEY_F(3), "f3", N_("Function key 3") },
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{ KEY_F(4), "f4", N_("Function key 4") },
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{ KEY_F(5), "f5", N_("Function key 5") },
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{ KEY_F(6), "f6", N_("Function key 6") },
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{ KEY_F(7), "f7", N_("Function key 7") },
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{ KEY_F(8), "f8", N_("Function key 8") },
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{ KEY_F(9), "f9", N_("Function key 9") },
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{ KEY_F(10), "f10", N_("Function key 10") },
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{ KEY_F(11), "f11", N_("Function key 11") },
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{ KEY_F(12), "f12", N_("Function key 12") },
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{ KEY_F(13), "f13", N_("Function key 13") },
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{ KEY_F(14), "f14", N_("Function key 14") },
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{ KEY_F(15), "f15", N_("Function key 15") },
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{ KEY_F(16), "f16", N_("Function key 16") },
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{ KEY_F(17), "f17", N_("Function key 17") },
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{ KEY_F(18), "f18", N_("Function key 18") },
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{ KEY_F(19), "f19", N_("Function key 19") },
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{ KEY_F(20), "f20", N_("Function key 20") },
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{ KEY_BACKSPACE, "bs", N_("Backspace key") },
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{ KEY_END, "end", N_("End key") },
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{ KEY_UP, "up", N_("Up arrow key") },
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{ KEY_DOWN, "down", N_("Down arrow key") },
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{ KEY_LEFT, "left", N_("Left arrow key") },
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{ KEY_RIGHT, "right", N_("Right arrow key") },
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{ KEY_HOME, "home", N_("Home key") },
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{ KEY_NPAGE, "pgdn", N_("Page Down key") },
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{ KEY_PPAGE, "pgup", N_("Page Up key") },
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{ KEY_IC, "insert", N_("Insert key") },
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{ KEY_DC, "delete", N_("Delete key") },
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{ ALT('\t'), "complete", N_("Completion/M-tab") },
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{ KEY_KP_ADD, "kpplus", N_("+ on keypad") },
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{ KEY_KP_SUBTRACT,"kpminus", N_("- on keypad") },
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{ KEY_KP_MULTIPLY,"kpasterix", N_("* on keypad") },
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/* From here on, these won't be shown in Learn keys (no space) */
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{ KEY_LEFT, "kpleft", N_("Left arrow keypad") },
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{ KEY_RIGHT, "kpright", N_("Right arrow keypad") },
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{ KEY_UP, "kpup", N_("Up arrow keypad") },
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{ KEY_DOWN, "kpdown", N_("Down arrow keypad") },
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{ KEY_HOME, "kphome", N_("Home on keypad") },
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{ KEY_END, "kpend", N_("End on keypad") },
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{ KEY_NPAGE, "kpnpage", N_("Page Down keypad") },
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{ KEY_PPAGE, "kpppage", N_("Page Up keypad") },
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{ KEY_IC, "kpinsert", N_("Insert on keypad") },
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{ KEY_DC, "kpdelete", N_("Delete on keypad") },
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{ (int) '\n', "kpenter", N_("Enter on keypad") },
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{ (int) '/', "kpslash", N_("Slash on keypad") },
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{ (int) '#', "kpnumlock", N_("NumLock on keypad") },
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{ 0, 0 }
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};
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/* Return the code associated with the symbolic name keyname */
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int lookup_key (char *keyname)
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{
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int i;
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for (i = 0; key_name_conv_tab [i].code; i++){
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if (strcasecmp (key_name_conv_tab [i].name, keyname))
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continue;
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return key_name_conv_tab [i].code;
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}
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return 0;
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}
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