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OS/2 Shareware BBS: 6 File
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mc454src.zip
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mc-4.5.4.src
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mc-4.5.4
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win.c
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C/C++ Source or Header
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1999-01-04
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8KB
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293 lines
/* Curses utilities
Copyright (C) 1995 Miguel de Icaza, Janne Kukonlehto
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., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include <config.h>
#include "tty.h"
#include <stdio.h>
#include <stdlib.h> /* For free() */
#include <string.h>
#if (!defined(__IBMC__) && !defined(__IBMCPP__)) && !defined(OS2_NT)
# include <termios.h>
#endif
#include "mad.h"
#include "color.h"
#include "mouse.h"
#include "util.h" /* For xmalloc() */
#include "dlg.h"
#include "widget.h"
#include "win.h"
#include "key.h" /* XCTRL and ALT macros */
#include "layout.h"
#include "global.h"
/* "$Id: win.c,v 1.3 1998/12/02 05:18:54 unammx Exp $" */
typedef void (*fnptr)(void);
typedef struct Fkey_Table_List {
fnptr actions[11];
struct Fkey_Table_List *next;
int has_labels;
} Fkey_Table_List;
static Fkey_Table_List *fkey_table_list = NULL;
#ifndef HAVE_X
/* Width of output is always seven characters */
void sprint_bytesize (char *buffer, int size, int scale)
{
char scales[] = " kMGT";
if (size > 0){
while (size > 9999 && scale < sizeof (scales)){
size = (size + 512) / 1024;
scale ++;
}
}
if (scale > 0)
sprintf (buffer, "%4d %cb", size, scales[scale]);
else
sprintf (buffer, "%4d b ", size);
}
void print_bytesize (int size, int scale)
{
char buffer [10];
sprint_bytesize (buffer, size, scale);
printw (buffer);
}
#endif
/* Return values: 0 = not a fkey, other = was a fkey */
int check_fkeys (int c)
{
int fkey;
if (!fkey_table_list)
return 0;
switch (c){
case KEY_F(1):
fkey = 1;
break;
case KEY_F(2):
fkey = 2;
break;
case KEY_F(3):
fkey = 3;
break;
case KEY_F(4):
fkey = 4;
break;
case KEY_F(5):
fkey = 5;
break;
case KEY_F(6):
fkey = 6;
break;
case KEY_F(7):
fkey = 7;
break;
case KEY_F(8):
fkey = 8;
break;
case KEY_F(9):
fkey = 9;
break;
case KEY_F(10):
fkey = 10;
break;
default:
return 0;
}
if (fkey_table_list->actions [fkey]){
fkey_table_list->actions [fkey] ();
return fkey;
}
else
return 0;
}
/* Return values: 0 = not a movement key, 1 = was a movement key */
int check_movement_keys (int c, int additional, int page_size, void *data,
movefn backfn, movefn forfn, movefn topfn,
movefn bottomfn)
{
switch (c){
case KEY_UP:
case XCTRL ('p'):
(*backfn)(data, 1);
return 1;
case KEY_DOWN:
case XCTRL ('n'):
(*forfn)(data, 1);
return 1;
case KEY_PPAGE:
case ALT('v'):
(*backfn)(data, page_size-1);
return 1;
case KEY_NPAGE:
case XCTRL('v'):
(*forfn)(data, page_size-1);
return 1;
case KEY_HOME:
case KEY_A1:
(*topfn)(data, 0);
return 1;
case KEY_END:
case KEY_C1:
(*bottomfn)(data, 0);
return 1;
}
if (additional)
switch (c){
case 'b':
case XCTRL('h'):
case KEY_BACKSPACE:
case 0177:
(*backfn)(data, page_size-1);
return 1;
case ' ':
(*forfn)(data, page_size-1);
return 1;
case 'u':
(*backfn)(data, page_size / 2);
return 1;
case 'd':
(*forfn)(data, page_size / 2);
return 1;
case 'g':
(*topfn)(data, 0);
return 1;
case 'G':
(*bottomfn)(data, 0);
return 1;
}
return 0;
}
#ifdef HAVE_X
void mc_raw_mode (void)
{
}
void mc_noraw_mode (void)
{
}
#else
void mc_raw_mode (void)
{
raw ();
}
void mc_noraw_mode (void)
{
noraw ();
}
#endif
/* Classification routines */
int is_abort_char (int c)
{
return (c == XCTRL('c') || c == XCTRL('g') || c == ESC_CHAR ||
c == KEY_F(10));
}
int is_quit_char (int c)
{
return (c == XCTRL('g') || (c == ESC_CHAR) || (c == KEY_F(10)));
}
/* This table is a mapping between names and the constants we use
* We use this to allow users to define alternate definitions for
* certain keys that may be missing from the terminal database
*/
key_code_name_t key_name_conv_tab [] = {
/* KEY_F(0) is not here, since we are mapping it to f10, so there is no reason
to define f0 as well. Also, it makes Learn keys a bunch of problems :( */
{ KEY_F(1), "f1", N_("Function key 1") },
{ KEY_F(2), "f2", N_("Function key 2") },
{ KEY_F(3), "f3", N_("Function key 3") },
{ KEY_F(4), "f4", N_("Function key 4") },
{ KEY_F(5), "f5", N_("Function key 5") },
{ KEY_F(6), "f6", N_("Function key 6") },
{ KEY_F(7), "f7", N_("Function key 7") },
{ KEY_F(8), "f8", N_("Function key 8") },
{ KEY_F(9), "f9", N_("Function key 9") },
{ KEY_F(10), "f10", N_("Function key 10") },
{ KEY_F(11), "f11", N_("Function key 11") },
{ KEY_F(12), "f12", N_("Function key 12") },
{ KEY_F(13), "f13", N_("Function key 13") },
{ KEY_F(14), "f14", N_("Function key 14") },
{ KEY_F(15), "f15", N_("Function key 15") },
{ KEY_F(16), "f16", N_("Function key 16") },
{ KEY_F(17), "f17", N_("Function key 17") },
{ KEY_F(18), "f18", N_("Function key 18") },
{ KEY_F(19), "f19", N_("Function key 19") },
{ KEY_F(20), "f20", N_("Function key 20") },
{ KEY_BACKSPACE, "bs", N_("Backspace key") },
{ KEY_END, "end", N_("End key") },
{ KEY_UP, "up", N_("Up arrow key") },
{ KEY_DOWN, "down", N_("Down arrow key") },
{ KEY_LEFT, "left", N_("Left arrow key") },
{ KEY_RIGHT, "right", N_("Right arrow key") },
{ KEY_HOME, "home", N_("Home key") },
{ KEY_NPAGE, "pgdn", N_("Page Down key") },
{ KEY_PPAGE, "pgup", N_("Page Up key") },
{ KEY_IC, "insert", N_("Insert key") },
{ KEY_DC, "delete", N_("Delete key") },
{ ALT('\t'), "complete", N_("Completion/M-tab") },
{ KEY_KP_ADD, "kpplus", N_("+ on keypad") },
{ KEY_KP_SUBTRACT,"kpminus", N_("- on keypad") },
{ KEY_KP_MULTIPLY,"kpasterix", N_("* on keypad") },
/* From here on, these won't be shown in Learn keys (no space) */
{ KEY_LEFT, "kpleft", N_("Left arrow keypad") },
{ KEY_RIGHT, "kpright", N_("Right arrow keypad") },
{ KEY_UP, "kpup", N_("Up arrow keypad") },
{ KEY_DOWN, "kpdown", N_("Down arrow keypad") },
{ KEY_HOME, "kphome", N_("Home on keypad") },
{ KEY_END, "kpend", N_("End on keypad") },
{ KEY_NPAGE, "kpnpage", N_("Page Down keypad") },
{ KEY_PPAGE, "kpppage", N_("Page Up keypad") },
{ KEY_IC, "kpinsert", N_("Insert on keypad") },
{ KEY_DC, "kpdelete", N_("Delete on keypad") },
{ (int) '\n', "kpenter", N_("Enter on keypad") },
{ (int) '/', "kpslash", N_("Slash on keypad") },
{ (int) '#', "kpnumlock", N_("NumLock on keypad") },
{ 0, 0 }
};
/* Return the code associated with the symbolic name keyname */
int lookup_key (char *keyname)
{
int i;
for (i = 0; key_name_conv_tab [i].code; i++){
if (strcasecmp (key_name_conv_tab [i].name, keyname))
continue;
return key_name_conv_tab [i].code;
}
return 0;
}