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key.c
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/*
Keyboard support routines.
Copyright (C) 1994, 1995, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
2005, 2006, 2007, 2009, 2010, 2011
The Free Software Foundation, Inc.
Written by:
Miguel de Icaza, 1994, 1995
Janne Kukonlehto, 1994, 1995
Jakub Jelinek, 1995
Norbert Warmuth, 1997
This file is part of the Midnight Commander.
The Midnight Commander 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 3 of the License,
or (at your option) any later version.
The Midnight Commander 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, see <http://www.gnu.org/licenses/>.
*/
/** \file key.c
* \brief Source: keyboard support routines
*/
#include <config.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include "lib/global.h"
#include "lib/vfs/vfs.h"
#include "tty.h"
#include "tty-internal.h" /* mouse_enabled */
#include "mouse.h"
#include "key.h"
#include "lib/widget.h" /* mc_refresh() */
#ifdef HAVE_TEXTMODE_X11_SUPPORT
#include "x11conn.h"
#endif
#ifdef __linux__
#if defined(__GLIBC__) && (__GLIBC__ < 2)
#include <linux/termios.h> /* TIOCLINUX */
#else
#include <termios.h>
#endif
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#endif /* __linux__ */
#ifdef __CYGWIN__
#include <termios.h>
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#endif /* __CYGWIN__ */
#ifdef __QNXNTO__
#include <dlfcn.h>
#include <Ph.h>
#include <sys/dcmd_chr.h>
#endif /* __QNXNTO__ */
/*** global variables ****************************************************************************/
int mou_auto_repeat = 100;
int double_click_speed = 250;
int old_esc_mode = 0;
/* timeout for old_esc_mode in usec */
int old_esc_mode_timeout = 1000000; /* settable via env */
int use_8th_bit_as_meta = 0;
/* 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
*/
const 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"), "F1"},
{KEY_F (2), "f2", N_("Function key 2"), "F2"},
{KEY_F (3), "f3", N_("Function key 3"), "F3"},
{KEY_F (4), "f4", N_("Function key 4"), "F4"},
{KEY_F (5), "f5", N_("Function key 5"), "F5"},
{KEY_F (6), "f6", N_("Function key 6"), "F6"},
{KEY_F (7), "f7", N_("Function key 7"), "F7"},
{KEY_F (8), "f8", N_("Function key 8"), "F8"},
{KEY_F (9), "f9", N_("Function key 9"), "F9"},
{KEY_F (10), "f10", N_("Function key 10"), "F10"},
{KEY_F (11), "f11", N_("Function key 11"), "F11"},
{KEY_F (12), "f12", N_("Function key 12"), "F12"},
{KEY_F (13), "f13", N_("Function key 13"), "F13"},
{KEY_F (14), "f14", N_("Function key 14"), "F14"},
{KEY_F (15), "f15", N_("Function key 15"), "F15"},
{KEY_F (16), "f16", N_("Function key 16"), "F16"},
{KEY_F (17), "f17", N_("Function key 17"), "F17"},
{KEY_F (18), "f18", N_("Function key 18"), "F18"},
{KEY_F (19), "f19", N_("Function key 19"), "F19"},
{KEY_F (20), "f20", N_("Function key 20"), "F20"},
{KEY_BACKSPACE, "backspace", N_("Backspace key"), "Backspace"},
{KEY_END, "end", N_("End key"), "End"},
{KEY_UP, "up", N_("Up arrow key"), "Up"},
{KEY_DOWN, "down", N_("Down arrow key"), "Down"},
{KEY_LEFT, "left", N_("Left arrow key"), "Left"},
{KEY_RIGHT, "right", N_("Right arrow key"), "Right"},
{KEY_HOME, "home", N_("Home key"), "Home"},
{KEY_NPAGE, "pgdn", N_("Page Down key"), "PgDn"},
{KEY_PPAGE, "pgup", N_("Page Up key"), "PgUp"},
{KEY_IC, "insert", N_("Insert key"), "Ins"},
{KEY_DC, "delete", N_("Delete key"), "Del"},
{ALT ('\t'), "complete", N_("Completion/M-tab"), "Meta-Tab"},
{KEY_BTAB, "backtab", N_("Back Tabulation S-tab"), "Shift-Tab"},
{KEY_KP_ADD, "kpplus", N_("+ on keypad"), "+"},
{KEY_KP_SUBTRACT, "kpminus", N_("- on keypad"), "-"},
{(int) '/', "kpslash", N_("Slash on keypad"), "/"},
{KEY_KP_MULTIPLY, "kpasterisk", N_("* on keypad"), "*"},
/* From here on, these won't be shown in Learn keys (no space) */
{ESC_CHAR, "escape", N_("Escape key"), "Esc"},
{KEY_LEFT, "kpleft", N_("Left arrow keypad"), "Left"},
{KEY_RIGHT, "kpright", N_("Right arrow keypad"), "Right"},
{KEY_UP, "kpup", N_("Up arrow keypad"), "Up"},
{KEY_DOWN, "kpdown", N_("Down arrow keypad"), "Down"},
{KEY_HOME, "kphome", N_("Home on keypad"), "Home"},
{KEY_END, "kpend", N_("End on keypad"), "End"},
{KEY_NPAGE, "kpnpage", N_("Page Down keypad"), "PgDn"},
{KEY_PPAGE, "kpppage", N_("Page Up keypad"), "PgUp"},
{KEY_IC, "kpinsert", N_("Insert on keypad"), "Ins"},
{KEY_DC, "kpdelete", N_("Delete on keypad"), "Del"},
{(int) '\n', "kpenter", N_("Enter on keypad"), "Enter"},
{KEY_F (21), "f21", N_("Function key 21"), "F21"},
{KEY_F (22), "f22", N_("Function key 22"), "F22"},
{KEY_F (23), "f23", N_("Function key 23"), "F23"},
{KEY_F (24), "f24", N_("Function key 24"), "F24"},
{KEY_A1, "a1", N_("A1 key"), "A1"},
{KEY_C1, "c1", N_("C1 key"), "C1"},
/* Alternative label */
{ESC_CHAR, "esc", N_("Escape key"), "Esc"},
{KEY_BACKSPACE, "bs", N_("Backspace key"), "Bakspace"},
{KEY_IC, "ins", N_("Insert key"), "Ins"},
{KEY_DC, "del", N_("Delete key"), "Del"},
{(int) '+', "plus", N_("Plus"), "+"},
{(int) '-', "minus", N_("Minus"), "-"},
{(int) '*', "asterisk", N_("Asterisk"), "*"},
{(int) '.', "dot", N_("Dot"), "."},
{(int) '<', "lt", N_("Less than"), "<"},
{(int) '>', "gt", N_("Great than"), ">"},
{(int) '=', "equal", N_("Equal"), "="},
{(int) ',', "comma", N_("Comma"), ","},
{(int) '\'', "apostrophe", N_("Apostrophe"), "\'"},
{(int) ':', "colon", N_("Colon"), ":"},
{(int) '!', "exclamation", N_("Exclamation mark"), "!"},
{(int) '?', "question", N_("Question mark"), "?"},
{(int) '&', "ampersand", N_("Ampersand"), "&"},
{(int) '$', "dollar", N_("Dollar sign"), "$"},
{(int) '"', "quota", N_("Quotation mark"), "\""},
{(int) '%', "percent", N_("Percent sign"), "%"},
{(int) '^', "caret", N_("Caret"), "^"},
{(int) '~', "tilda", N_("Tilda"), "~"},
{(int) '`', "prime", N_("Prime"), "`"},
{(int) '_', "underline", N_("Underline"), "_"},
{(int) '_', "understrike", N_("Understrike"), "_"},
{(int) '|', "pipe", N_("Pipe"), "|"},
{(int) '(', "lparenthesis", N_("Left parenthesis"), "("},
{(int) ')', "rparenthesis", N_("Right parenthesis"), ")"},
{(int) '[', "lbracket", N_("Left bracket"), "["},
{(int) ']', "rbracket", N_("Right bracket"), "]"},
{(int) '{', "lbrace", N_("Left brace"), "{"},
{(int) '}', "rbrace", N_("Right brace"), "}"},
{(int) '\n', "enter", N_("Enter"), "Enter"},
{(int) '\t', "tab", N_("Tab key"), "Tab"},
{(int) ' ', "space", N_("Space key"), "Space"},
{(int) '/', "slash", N_("Slash key"), "/"},
{(int) '\\', "backslash", N_("Backslash key"), "\\"},
{(int) '#', "number", N_("Number sign #"), "#"},
{(int) '#', "hash", N_("Number sign #"), "#"},
/* TRANSLATORS: Please translate as in "at sign" (@). */
{(int) '@', "at", N_("At sign"), "@"},
/* meta keys */
{KEY_M_CTRL, "control", N_("Ctrl"), "C"},
{KEY_M_CTRL, "ctrl", N_("Ctrl"), "C"},
{KEY_M_ALT, "meta", N_("Alt"), "M"},
{KEY_M_ALT, "alt", N_("Alt"), "M"},
{KEY_M_ALT, "ralt", N_("Alt"), "M"},
{KEY_M_SHIFT, "shift", N_("Shift"), "S"},
{0, NULL, NULL, NULL}
};
/*** file scope macro definitions ****************************************************************/
#define GET_TIME(tv) (gettimeofday(&tv, (struct timezone *) NULL))
#define DIF_TIME(t1, t2) ((t2.tv_sec - t1.tv_sec) * 1000 + (t2.tv_usec - t1.tv_usec)/1000)
/* The maximum sequence length (32 + null terminator) */
#define SEQ_BUFFER_LEN 33
/*** file scope type declarations ****************************************************************/
/* Linux console keyboard modifiers */
typedef enum
{
SHIFT_PRESSED = (1 << 0),
ALTR_PRESSED = (1 << 1),
CONTROL_PRESSED = (1 << 2),
ALTL_PRESSED = (1 << 3)
} mod_pressed_t;
typedef struct key_def
{
char ch; /* Holds the matching char code */
int code; /* The code returned, valid if child == NULL */
struct key_def *next;
struct key_def *child; /* sequence continuation */
int action; /* optional action to be done. Now used only
to mark that we are just after the first
Escape */
} key_def;
typedef struct
{
int code;
const char *seq;
int action;
} key_define_t;
/* File descriptor monitoring add/remove routines */
typedef struct SelectList
{
int fd;
select_fn callback;
void *info;
struct SelectList *next;
} SelectList;
typedef enum KeySortType
{
KEY_NOSORT = 0,
KEY_SORTBYNAME,
KEY_SORTBYCODE
} KeySortType;
#ifdef __QNXNTO__
typedef int (*ph_dv_f) (void *, void *);
typedef int (*ph_ov_f) (void *);
typedef int (*ph_pqc_f) (unsigned short, PhCursorInfo_t *);
#endif
/*** file scope variables ************************************************************************/
static key_define_t mc_default_keys[] = {
{ESC_CHAR, ESC_STR, MCKEY_ESCAPE},
{ESC_CHAR, ESC_STR ESC_STR, MCKEY_NOACTION},
{0, NULL, MCKEY_NOACTION},
};
/* Broken terminfo and termcap databases on xterminals */
static key_define_t xterm_key_defines[] = {
{KEY_F (1), ESC_STR "OP", MCKEY_NOACTION},
{KEY_F (2), ESC_STR "OQ", MCKEY_NOACTION},
{KEY_F (3), ESC_STR "OR", MCKEY_NOACTION},
{KEY_F (4), ESC_STR "OS", MCKEY_NOACTION},
{KEY_F (1), ESC_STR "[11~", MCKEY_NOACTION},
{KEY_F (2), ESC_STR "[12~", MCKEY_NOACTION},
{KEY_F (3), ESC_STR "[13~", MCKEY_NOACTION},
{KEY_F (4), ESC_STR "[14~", MCKEY_NOACTION},
{KEY_F (5), ESC_STR "[15~", MCKEY_NOACTION},
{KEY_F (6), ESC_STR "[17~", MCKEY_NOACTION},
{KEY_F (7), ESC_STR "[18~", MCKEY_NOACTION},
{KEY_F (8), ESC_STR "[19~", MCKEY_NOACTION},
{KEY_F (9), ESC_STR "[20~", MCKEY_NOACTION},
{KEY_F (10), ESC_STR "[21~", MCKEY_NOACTION},
/* old xterm Shift-arrows */
{KEY_M_SHIFT | KEY_UP, ESC_STR "O2A", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_DOWN, ESC_STR "O2B", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_RIGHT, ESC_STR "O2C", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_LEFT, ESC_STR "O2D", MCKEY_NOACTION},
/* new xterm Shift-arrows */
{KEY_M_SHIFT | KEY_UP, ESC_STR "[1;2A", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_DOWN, ESC_STR "[1;2B", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_RIGHT, ESC_STR "[1;2C", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_LEFT, ESC_STR "[1;2D", MCKEY_NOACTION},
/* more xterm keys with modifiers */
{KEY_M_CTRL | KEY_PPAGE, ESC_STR "[5;5~", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_NPAGE, ESC_STR "[6;5~", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_IC, ESC_STR "[2;5~", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_DC, ESC_STR "[3;5~", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_HOME, ESC_STR "[1;5H", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_END, ESC_STR "[1;5F", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_HOME, ESC_STR "[1;2H", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_END, ESC_STR "[1;2F", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_UP, ESC_STR "[1;5A", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_DOWN, ESC_STR "[1;5B", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_RIGHT, ESC_STR "[1;5C", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_LEFT, ESC_STR "[1;5D", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_IC, ESC_STR "[2;2~", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_DC, ESC_STR "[3;2~", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_UP, ESC_STR "[1;6A", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_DOWN, ESC_STR "[1;6B", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_RIGHT, ESC_STR "[1;6C", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_LEFT, ESC_STR "[1;6D", MCKEY_NOACTION},
/* putty */
{KEY_M_SHIFT | KEY_M_CTRL | KEY_UP, ESC_STR "[[1;6A", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_DOWN, ESC_STR "[[1;6B", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_RIGHT, ESC_STR "[[1;6C", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_LEFT, ESC_STR "[[1;6D", MCKEY_NOACTION},
/* putty alt-arrow keys */
/* removed as source esc esc esc trouble */
/*
{ KEY_M_ALT | KEY_UP, ESC_STR ESC_STR "OA", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_DOWN, ESC_STR ESC_STR "OB", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_RIGHT, ESC_STR ESC_STR "OC", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_LEFT, ESC_STR ESC_STR "OD", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_PPAGE, ESC_STR ESC_STR "[5~", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_NPAGE, ESC_STR ESC_STR "[6~", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_HOME, ESC_STR ESC_STR "[1~", MCKEY_NOACTION },
{ KEY_M_ALT | KEY_END, ESC_STR ESC_STR "[4~", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_UP, ESC_STR ESC_STR "[1;2A", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_DOWN, ESC_STR ESC_STR "[1;2B", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_RIGHT, ESC_STR ESC_STR "[1;2C", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_LEFT, ESC_STR ESC_STR "[1;2D", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_PPAGE, ESC_STR ESC_STR "[[5;5~", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_NPAGE, ESC_STR ESC_STR "[[6;5~", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_HOME, ESC_STR ESC_STR "[1;5H", MCKEY_NOACTION },
{ KEY_M_CTRL | KEY_M_ALT | KEY_END, ESC_STR ESC_STR "[1;5F", MCKEY_NOACTION },
*/
/* xterm alt-arrow keys */
{KEY_M_ALT | KEY_UP, ESC_STR "[1;3A", MCKEY_NOACTION},
{KEY_M_ALT | KEY_DOWN, ESC_STR "[1;3B", MCKEY_NOACTION},
{KEY_M_ALT | KEY_RIGHT, ESC_STR "[1;3C", MCKEY_NOACTION},
{KEY_M_ALT | KEY_LEFT, ESC_STR "[1;3D", MCKEY_NOACTION},
{KEY_M_ALT | KEY_PPAGE, ESC_STR "[5;3~", MCKEY_NOACTION},
{KEY_M_ALT | KEY_NPAGE, ESC_STR "[6;3~", MCKEY_NOACTION},
{KEY_M_ALT | KEY_HOME, ESC_STR "[1~", MCKEY_NOACTION},
{KEY_M_ALT | KEY_END, ESC_STR "[4~", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_M_ALT | KEY_UP, ESC_STR "[1;7A", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_M_ALT | KEY_DOWN, ESC_STR "[1;7B", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_M_ALT | KEY_RIGHT, ESC_STR "[1;7C", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_M_ALT | KEY_LEFT, ESC_STR "[1;7D", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_M_ALT | KEY_PPAGE, ESC_STR "[5;7~", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_M_ALT | KEY_NPAGE, ESC_STR "[6;7~", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_M_ALT | KEY_HOME, ESC_STR "OH", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_M_ALT | KEY_END, ESC_STR "OF", MCKEY_NOACTION},
/* rxvt keys with modifiers */
{KEY_M_SHIFT | KEY_UP, ESC_STR "[a", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_DOWN, ESC_STR "[b", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_RIGHT, ESC_STR "[c", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_LEFT, ESC_STR "[d", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_UP, ESC_STR "Oa", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_DOWN, ESC_STR "Ob", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_RIGHT, ESC_STR "Oc", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_LEFT, ESC_STR "Od", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_PPAGE, ESC_STR "[5^", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_NPAGE, ESC_STR "[6^", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_HOME, ESC_STR "[7^", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_END, ESC_STR "[8^", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_HOME, ESC_STR "[7$", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_END, ESC_STR "[8$", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_IC, ESC_STR "[2^", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_DC, ESC_STR "[3^", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_DC, ESC_STR "[3$", MCKEY_NOACTION},
/* konsole keys with modifiers */
{KEY_M_SHIFT | KEY_HOME, ESC_STR "O2H", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_END, ESC_STR "O2F", MCKEY_NOACTION},
/* gnome-terminal */
{KEY_M_SHIFT | KEY_UP, ESC_STR "[2A", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_DOWN, ESC_STR "[2B", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_RIGHT, ESC_STR "[2C", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_LEFT, ESC_STR "[2D", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_UP, ESC_STR "[5A", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_DOWN, ESC_STR "[5B", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_RIGHT, ESC_STR "[5C", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_LEFT, ESC_STR "[5D", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_UP, ESC_STR "[6A", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_DOWN, ESC_STR "[6B", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_RIGHT, ESC_STR "[6C", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_LEFT, ESC_STR "[6D", MCKEY_NOACTION},
/* gnome-terminal - application mode */
{KEY_M_CTRL | KEY_UP, ESC_STR "O5A", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_DOWN, ESC_STR "O5B", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_RIGHT, ESC_STR "O5C", MCKEY_NOACTION},
{KEY_M_CTRL | KEY_LEFT, ESC_STR "O5D", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_UP, ESC_STR "O6A", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_DOWN, ESC_STR "O6B", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_RIGHT, ESC_STR "O6C", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_M_CTRL | KEY_LEFT, ESC_STR "O6D", MCKEY_NOACTION},
/* iTerm */
{KEY_M_SHIFT | KEY_PPAGE, ESC_STR "[5;2~", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_NPAGE, ESC_STR "[6;2~", MCKEY_NOACTION},
/* putty */
{KEY_M_SHIFT | KEY_PPAGE, ESC_STR "[[5;53~", MCKEY_NOACTION},
{KEY_M_SHIFT | KEY_NPAGE, ESC_STR "[[6;53~", MCKEY_NOACTION},
/* keypad keys */
{KEY_IC, ESC_STR "Op", MCKEY_NOACTION},
{KEY_DC, ESC_STR "On", MCKEY_NOACTION},
{'/', ESC_STR "Oo", MCKEY_NOACTION},
{'\n', ESC_STR "OM", MCKEY_NOACTION},
{0, NULL, MCKEY_NOACTION},
};
/* qansi-m terminals have a much more key combinatios,
which are undefined in termcap/terminfo */
static key_define_t qansi_key_defines[] = {
/* qansi-m terminal */
{KEY_M_CTRL | KEY_NPAGE, ESC_STR "[u", MCKEY_NOACTION}, /* Ctrl-PgDown */
{KEY_M_CTRL | KEY_PPAGE, ESC_STR "[v", MCKEY_NOACTION}, /* Ctrl-PgUp */
{KEY_M_CTRL | KEY_HOME, ESC_STR "[h", MCKEY_NOACTION}, /* Ctrl-Home */
{KEY_M_CTRL | KEY_END, ESC_STR "[y", MCKEY_NOACTION}, /* Ctrl-End */
{KEY_M_CTRL | KEY_IC, ESC_STR "[`", MCKEY_NOACTION}, /* Ctrl-Insert */
{KEY_M_CTRL | KEY_DC, ESC_STR "[p", MCKEY_NOACTION}, /* Ctrl-Delete */
{KEY_M_CTRL | KEY_LEFT, ESC_STR "[d", MCKEY_NOACTION}, /* Ctrl-Left */
{KEY_M_CTRL | KEY_RIGHT, ESC_STR "[c", MCKEY_NOACTION}, /* Ctrl-Right */
{KEY_M_CTRL | KEY_DOWN, ESC_STR "[b", MCKEY_NOACTION}, /* Ctrl-Down */
{KEY_M_CTRL | KEY_UP, ESC_STR "[a", MCKEY_NOACTION}, /* Ctrl-Up */
{KEY_M_CTRL | KEY_KP_ADD, ESC_STR "[s", MCKEY_NOACTION}, /* Ctrl-Gr-Plus */
{KEY_M_CTRL | KEY_KP_SUBTRACT, ESC_STR "[t", MCKEY_NOACTION}, /* Ctrl-Gr-Minus */
{KEY_M_CTRL | '\t', ESC_STR "[z", MCKEY_NOACTION}, /* Ctrl-Tab */
{KEY_M_SHIFT | '\t', ESC_STR "[Z", MCKEY_NOACTION}, /* Shift-Tab */
{KEY_M_CTRL | KEY_F (1), ESC_STR "[1~", MCKEY_NOACTION}, /* Ctrl-F1 */
{KEY_M_CTRL | KEY_F (2), ESC_STR "[2~", MCKEY_NOACTION}, /* Ctrl-F2 */
{KEY_M_CTRL | KEY_F (3), ESC_STR "[3~", MCKEY_NOACTION}, /* Ctrl-F3 */
{KEY_M_CTRL | KEY_F (4), ESC_STR "[4~", MCKEY_NOACTION}, /* Ctrl-F4 */
{KEY_M_CTRL | KEY_F (5), ESC_STR "[5~", MCKEY_NOACTION}, /* Ctrl-F5 */
{KEY_M_CTRL | KEY_F (6), ESC_STR "[6~", MCKEY_NOACTION}, /* Ctrl-F6 */
{KEY_M_CTRL | KEY_F (7), ESC_STR "[7~", MCKEY_NOACTION}, /* Ctrl-F7 */
{KEY_M_CTRL | KEY_F (8), ESC_STR "[8~", MCKEY_NOACTION}, /* Ctrl-F8 */
{KEY_M_CTRL | KEY_F (9), ESC_STR "[9~", MCKEY_NOACTION}, /* Ctrl-F9 */
{KEY_M_CTRL | KEY_F (10), ESC_STR "[10~", MCKEY_NOACTION}, /* Ctrl-F10 */
{KEY_M_CTRL | KEY_F (11), ESC_STR "[11~", MCKEY_NOACTION}, /* Ctrl-F11 */
{KEY_M_CTRL | KEY_F (12), ESC_STR "[12~", MCKEY_NOACTION}, /* Ctrl-F12 */
{KEY_M_ALT | KEY_F (1), ESC_STR "[17~", MCKEY_NOACTION}, /* Alt-F1 */
{KEY_M_ALT | KEY_F (2), ESC_STR "[18~", MCKEY_NOACTION}, /* Alt-F2 */
{KEY_M_ALT | KEY_F (3), ESC_STR "[19~", MCKEY_NOACTION}, /* Alt-F3 */
{KEY_M_ALT | KEY_F (4), ESC_STR "[20~", MCKEY_NOACTION}, /* Alt-F4 */
{KEY_M_ALT | KEY_F (5), ESC_STR "[21~", MCKEY_NOACTION}, /* Alt-F5 */
{KEY_M_ALT | KEY_F (6), ESC_STR "[22~", MCKEY_NOACTION}, /* Alt-F6 */
{KEY_M_ALT | KEY_F (7), ESC_STR "[23~", MCKEY_NOACTION}, /* Alt-F7 */
{KEY_M_ALT | KEY_F (8), ESC_STR "[24~", MCKEY_NOACTION}, /* Alt-F8 */
{KEY_M_ALT | KEY_F (9), ESC_STR "[25~", MCKEY_NOACTION}, /* Alt-F9 */
{KEY_M_ALT | KEY_F (10), ESC_STR "[26~", MCKEY_NOACTION}, /* Alt-F10 */
{KEY_M_ALT | KEY_F (11), ESC_STR "[27~", MCKEY_NOACTION}, /* Alt-F11 */
{KEY_M_ALT | KEY_F (12), ESC_STR "[28~", MCKEY_NOACTION}, /* Alt-F12 */
{KEY_M_ALT | 'a', ESC_STR "Na", MCKEY_NOACTION}, /* Alt-a */
{KEY_M_ALT | 'b', ESC_STR "Nb", MCKEY_NOACTION}, /* Alt-b */
{KEY_M_ALT | 'c', ESC_STR "Nc", MCKEY_NOACTION}, /* Alt-c */
{KEY_M_ALT | 'd', ESC_STR "Nd", MCKEY_NOACTION}, /* Alt-d */
{KEY_M_ALT | 'e', ESC_STR "Ne", MCKEY_NOACTION}, /* Alt-e */
{KEY_M_ALT | 'f', ESC_STR "Nf", MCKEY_NOACTION}, /* Alt-f */
{KEY_M_ALT | 'g', ESC_STR "Ng", MCKEY_NOACTION}, /* Alt-g */
{KEY_M_ALT | 'h', ESC_STR "Nh", MCKEY_NOACTION}, /* Alt-h */
{KEY_M_ALT | 'i', ESC_STR "Ni", MCKEY_NOACTION}, /* Alt-i */
{KEY_M_ALT | 'j', ESC_STR "Nj", MCKEY_NOACTION}, /* Alt-j */
{KEY_M_ALT | 'k', ESC_STR "Nk", MCKEY_NOACTION}, /* Alt-k */
{KEY_M_ALT | 'l', ESC_STR "Nl", MCKEY_NOACTION}, /* Alt-l */
{KEY_M_ALT | 'm', ESC_STR "Nm", MCKEY_NOACTION}, /* Alt-m */
{KEY_M_ALT | 'n', ESC_STR "Nn", MCKEY_NOACTION}, /* Alt-n */
{KEY_M_ALT | 'o', ESC_STR "No", MCKEY_NOACTION}, /* Alt-o */
{KEY_M_ALT | 'p', ESC_STR "Np", MCKEY_NOACTION}, /* Alt-p */
{KEY_M_ALT | 'q', ESC_STR "Nq", MCKEY_NOACTION}, /* Alt-q */
{KEY_M_ALT | 'r', ESC_STR "Nr", MCKEY_NOACTION}, /* Alt-r */
{KEY_M_ALT | 's', ESC_STR "Ns", MCKEY_NOACTION}, /* Alt-s */
{KEY_M_ALT | 't', ESC_STR "Nt", MCKEY_NOACTION}, /* Alt-t */
{KEY_M_ALT | 'u', ESC_STR "Nu", MCKEY_NOACTION}, /* Alt-u */
{KEY_M_ALT | 'v', ESC_STR "Nv", MCKEY_NOACTION}, /* Alt-v */
{KEY_M_ALT | 'w', ESC_STR "Nw", MCKEY_NOACTION}, /* Alt-w */
{KEY_M_ALT | 'x', ESC_STR "Nx", MCKEY_NOACTION}, /* Alt-x */
{KEY_M_ALT | 'y', ESC_STR "Ny", MCKEY_NOACTION}, /* Alt-y */
{KEY_M_ALT | 'z', ESC_STR "Nz", MCKEY_NOACTION}, /* Alt-z */
{KEY_KP_SUBTRACT, ESC_STR "[S", MCKEY_NOACTION}, /* Gr-Minus */
{KEY_KP_ADD, ESC_STR "[T", MCKEY_NOACTION}, /* Gr-Plus */
{0, NULL, MCKEY_NOACTION},
};
/* This holds all the key definitions */
static key_def *keys = NULL;
static int input_fd;
static int disabled_channels = 0; /* Disable channels checking */
static SelectList *select_list = NULL;
static int seq_buffer[SEQ_BUFFER_LEN];
static int *seq_append = NULL;
static int *pending_keys = NULL;
#ifdef __QNXNTO__
ph_dv_f ph_attach;
ph_ov_f ph_input_group;
ph_pqc_f ph_query_cursor;
#endif
#ifdef HAVE_TEXTMODE_X11_SUPPORT
static Display *x11_display;
static Window x11_window;
#endif /* HAVE_TEXTMODE_X11_SUPPORT */
static KeySortType has_been_sorted = KEY_NOSORT;
/* *INDENT-OFF* */
static const size_t key_conv_tab_size = G_N_ELEMENTS (key_name_conv_tab) - 1;
/* *INDENT-ON* */
static const key_code_name_t *key_conv_tab_sorted[G_N_ELEMENTS (key_name_conv_tab) - 1];
/*** file scope functions ************************************************************************/
/* --------------------------------------------------------------------------------------------- */
static int
add_selects (fd_set * select_set)
{
int top_fd = 0;
if (disabled_channels == 0)
{
SelectList *p;
for (p = select_list; p != NULL; p = p->next)
{
FD_SET (p->fd, select_set);
if (p->fd > top_fd)
top_fd = p->fd;
}
}
return top_fd;
}
/* --------------------------------------------------------------------------------------------- */
static void
check_selects (fd_set * select_set)
{
if (disabled_channels == 0)
{
gboolean retry;
do
{
SelectList *p;
retry = FALSE;
for (p = select_list; p; p = p->next)
if (FD_ISSET (p->fd, select_set))
{
FD_CLR (p->fd, select_set);
(*p->callback) (p->fd, p->info);
retry = TRUE;
break;
}
}
while (retry);
}
}
/* --------------------------------------------------------------------------------------------- */
/* If set timeout is set, then we wait 0.1 seconds, else, we block */
static void
try_channels (int set_timeout)
{
struct timeval time_out;
static fd_set select_set;
struct timeval *timeptr;
int v;
int maxfdp;
while (1)
{
FD_ZERO (&select_set);
FD_SET (input_fd, &select_set); /* Add stdin */
maxfdp = max (add_selects (&select_set), input_fd);
timeptr = NULL;
if (set_timeout)
{
time_out.tv_sec = 0;
time_out.tv_usec = 100000;
timeptr = &time_out;
}
v = select (maxfdp + 1, &select_set, NULL, NULL, timeptr);
if (v > 0)
{
check_selects (&select_set);
if (FD_ISSET (input_fd, &select_set))
break;
}
}
}
/* --------------------------------------------------------------------------------------------- */
static key_def *
create_sequence (const char *seq, int code, int action)
{
key_def *base, *p, *attach;
for (base = attach = NULL; *seq; seq++)
{
p = g_new (key_def, 1);
if (base == NULL)
base = p;
if (attach != NULL)
attach->child = p;
p->ch = *seq;
p->code = code;
p->child = p->next = NULL;
if (seq[1] == '\0')
p->action = action;
else
p->action = MCKEY_NOACTION;
attach = p;
}
return base;
}
/* --------------------------------------------------------------------------------------------- */
static void
define_sequences (const key_define_t * kd)
{
int i;
for (i = 0; kd[i].code != 0; i++)
define_sequence (kd[i].code, kd[i].seq, kd[i].action);
}
/* --------------------------------------------------------------------------------------------- */
#ifdef HAVE_TEXTMODE_X11_SUPPORT
static void
init_key_x11 (void)
{
if (getenv ("DISPLAY") != NULL && !mc_global.tty.disable_x11)
{
x11_display = mc_XOpenDisplay (0);
if (x11_display != NULL)
x11_window = DefaultRootWindow (x11_display);
}
}
#endif /* HAVE_TEXTMODE_X11_SUPPORT */
/* --------------------------------------------------------------------------------------------- */
/* Workaround for System V Curses vt100 bug */
static int
getch_with_delay (void)
{
int c;
/* This routine could be used on systems without mouse support,
so we need to do the select check :-( */
while (1)
{
if (pending_keys == NULL)
try_channels (0);
/* Try to get a character */
c = get_key_code (0);
if (c != -1)
break;
/* Failed -> wait 0.1 secs and try again */
try_channels (1);
}
/* Success -> return the character */
return c;
}
/* --------------------------------------------------------------------------------------------- */
static void
xmouse_get_event (Gpm_Event * ev, gboolean extended)
{
static struct timeval tv1 = { 0, 0 }; /* Force first click as single */
static struct timeval tv2;
static int clicks = 0;
static int last_btn = 0;
int btn;
/* Decode Xterm mouse information to a GPM style event */
if (!extended)
{
/* Variable btn has following meaning: */
/* 0 = btn1 dn, 1 = btn2 dn, 2 = btn3 dn, 3 = btn up */
btn = tty_lowlevel_getch () - 32;
/* Coordinates are 33-based */
/* Transform them to 1-based */
ev->x = tty_lowlevel_getch () - 32;
ev->y = tty_lowlevel_getch () - 32;
}
else
{
/* SGR 1006 extension (e.g. "\e[<0;12;300M"):
- Numbers are encoded in decimal to make it ASCII-safe
and to overcome the limit of 223 columns/rows.
- Mouse release is encoded by trailing 'm' rather than 'M'
so that the released button can be reported.
- Numbers are no longer offset by 32. */
char c;
btn = ev->x = ev->y = 0;
ev->type = 0; /* In case we return on an invalid sequence */
while ((c = tty_lowlevel_getch ()) != ';')
{
if (c < '0' || c > '9')
return;
btn = 10 * btn + (c - '0');
}
while ((c = tty_lowlevel_getch ()) != ';')
{
if (c < '0' || c > '9')
return;
ev->x = 10 * ev->x + (c - '0');
}
while ((c = tty_lowlevel_getch ()) != 'M' && c != 'm')
{
if (c < '0' || c > '9')
return;
ev->y = 10 * ev->y + (c - '0');
}
/* Legacy mouse protocol doesn't tell which button was released,
conveniently all of mc's widgets are written not to rely on this
information. With the SGR extension the released button becomes
known, but for the sake of simplicity we just ignore it. */
if (c == 'm')
btn = 3;
}
/* There seems to be no way of knowing which button was released */
/* So we assume all the buttons were released */
if (btn == 3)
{
if (last_btn != 0)
{
if ((last_btn & (GPM_B_UP | GPM_B_DOWN)) != 0)
{
/* FIXME: DIRTY HACK */
/* don't generate GPM_UP after mouse wheel */
/* need for menu event handling */
ev->type = 0;
tv1.tv_sec = 0;
tv1.tv_usec = 0;
}
else
{
ev->type = GPM_UP | (GPM_SINGLE << clicks);
GET_TIME (tv1);
}
ev->buttons = 0;
last_btn = 0;
clicks = 0;
}
else
{
/* Bogus event, maybe mouse wheel */
ev->type = 0;
}
}
else
{
if (btn >= 32 && btn <= 34)
{
btn -= 32;
ev->type = GPM_DRAG;
}
else
ev->type = GPM_DOWN;
GET_TIME (tv2);
if (tv1.tv_sec && (DIF_TIME (tv1, tv2) < double_click_speed))
{
clicks++;
clicks %= 3;
}
else
clicks = 0;
switch (btn)
{
case 0:
ev->buttons = GPM_B_LEFT;
break;
case 1:
ev->buttons = GPM_B_MIDDLE;
break;
case 2:
ev->buttons = GPM_B_RIGHT;
break;
case 64:
ev->buttons = GPM_B_UP;
clicks = 0;
break;
case 65:
ev->buttons = GPM_B_DOWN;
clicks = 0;
break;
default:
/* Nothing */
ev->type = 0;
ev->buttons = 0;
break;
}
last_btn = ev->buttons;
}
}
/* --------------------------------------------------------------------------------------------- */
/**
* Get modifier state (shift, alt, ctrl) for the last key pressed.
* We are assuming that the state didn't change since the key press.
* This is only correct if get_modifier() is called very fast after
* the input was received, so that the user didn't release the
* modifier keys yet.
*/
static int
get_modifier (void)
{
int result = 0;
#ifdef __QNXNTO__
int mod_status, shift_ext_status;
static int in_photon = 0;
static int ph_ig = 0;
PhCursorInfo_t cursor_info;
#endif /* __QNXNTO__ */
#ifdef HAVE_TEXTMODE_X11_SUPPORT
if (x11_window != 0)
{
Window root, child;
int root_x, root_y;
int win_x, win_y;
unsigned int mask;
mc_XQueryPointer (x11_display, x11_window, &root, &child, &root_x,
&root_y, &win_x, &win_y, &mask);
if (mask & ShiftMask)
result |= KEY_M_SHIFT;
if (mask & ControlMask)
result |= KEY_M_CTRL;
return result;
}
#endif /* HAVE_TEXTMODE_X11_SUPPORT */
#ifdef __QNXNTO__
if (in_photon == 0)
{
/* First time here, let's load Photon library and attach
to Photon */
in_photon = -1;
if (getenv ("PHOTON2_PATH") != NULL)
{
/* QNX 6.x has no support for RTLD_LAZY */
void *ph_handle = dlopen ("/usr/lib/libph.so", RTLD_NOW);
if (ph_handle != NULL)
{
ph_attach = (ph_dv_f) dlsym (ph_handle, "PhAttach");
ph_input_group = (ph_ov_f) dlsym (ph_handle, "PhInputGroup");
ph_query_cursor = (ph_pqc_f) dlsym (ph_handle, "PhQueryCursor");
if ((ph_attach != NULL) && (ph_input_group != NULL) && (ph_query_cursor != NULL))
{
if ((*ph_attach) (0, 0))
{ /* Attached */
ph_ig = (*ph_input_group) (0);
in_photon = 1;
}
}
}
}
}
/* We do not have Photon running. Assume we are in text
console or xterm */
if (in_photon == -1)
{
if (devctl (fileno (stdin), DCMD_CHR_LINESTATUS, &mod_status, sizeof (int), NULL) == -1)
return 0;
shift_ext_status = mod_status & 0xffffff00UL;
mod_status &= 0x7f;
if (mod_status & _LINESTATUS_CON_ALT)
result |= KEY_M_ALT;
if (mod_status & _LINESTATUS_CON_CTRL)
result |= KEY_M_CTRL;
if ((mod_status & _LINESTATUS_CON_SHIFT) || (shift_ext_status & 0x00000800UL))
result |= KEY_M_SHIFT;
}
else
{
(*ph_query_cursor) (ph_ig, &cursor_info);
if (cursor_info.key_mods & 0x04)
result |= KEY_M_ALT;
if (cursor_info.key_mods & 0x02)
result |= KEY_M_CTRL;
if (cursor_info.key_mods & 0x01)
result |= KEY_M_SHIFT;
}
#endif /* __QNXNTO__ */
#if defined __linux__ || (defined __CYGWIN__ && defined TIOCLINUX)
{
unsigned char modifiers = 6;
if (ioctl (0, TIOCLINUX, &modifiers) < 0)
return 0;
/* Translate Linux modifiers into mc modifiers */
if (modifiers & SHIFT_PRESSED)
result |= KEY_M_SHIFT;
if (modifiers & (ALTL_PRESSED | ALTR_PRESSED))
result |= KEY_M_ALT;
if (modifiers & CONTROL_PRESSED)
result |= KEY_M_CTRL;
}
#endif /* !__linux__ */
return result;
}
/* --------------------------------------------------------------------------------------------- */
static gboolean
push_char (int c)
{
gboolean ret = FALSE;
if (seq_append == NULL)
seq_append = seq_buffer;
if (seq_append != &(seq_buffer[SEQ_BUFFER_LEN - 2]))
{
*(seq_append++) = c;
*seq_append = 0;
ret = TRUE;
}
return ret;
}
/* --------------------------------------------------------------------------------------------- */
/* Apply corrections for the keycode generated in get_key_code() */
static int
correct_key_code (int code)
{
unsigned int c = code & ~KEY_M_MASK; /* code without modifier */
unsigned int mod = code & KEY_M_MASK; /* modifier */
#ifdef __QNXNTO__
unsigned int qmod; /* bunch of the QNX console
modifiers needs unchanged */
#endif /* __QNXNTO__ */
/*
* Add key modifiers directly from X11 or OS.
* Ordinary characters only get modifiers from sequences.
*/
if (c < 32 || c >= 256)
{
mod |= get_modifier ();
}