mirror of
https://github.com/MidnightCommander/mc
synced 2024-12-23 21:06:52 +03:00
2269 lines
70 KiB
C
2269 lines
70 KiB
C
/*
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Keyboard support routines.
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Copyright (C) 1994-2020
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Free Software Foundation, Inc.
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Written by:
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Miguel de Icaza, 1994, 1995
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Janne Kukonlehto, 1994, 1995
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Jakub Jelinek, 1995
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Norbert Warmuth, 1997
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Denys Vlasenko <vda.linux@googlemail.com>, 2013
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Slava Zanko <slavazanko@gmail.com>, 2013
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Egmont Koblinger <egmont@gmail.com>, 2013
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This file is part of the Midnight Commander.
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The Midnight Commander is free software: you can redistribute it
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and/or modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, either version 3 of the License,
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or (at your option) any later version.
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The Midnight Commander 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, see <http://www.gnu.org/licenses/>.
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*/
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/** \file key.c
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* \brief Source: keyboard support routines
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*/
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#include <config.h>
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#include <ctype.h>
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#include <errno.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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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#else
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#include <sys/time.h>
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#include <sys/types.h>
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#include <unistd.h>
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#endif
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#include "lib/global.h"
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#include "lib/vfs/vfs.h"
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#include "tty.h"
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#include "tty-internal.h" /* mouse_enabled */
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#include "mouse.h"
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#include "key.h"
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#include "lib/widget.h" /* mc_refresh() */
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#ifdef HAVE_TEXTMODE_X11_SUPPORT
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#include "x11conn.h"
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#endif
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#ifdef __linux__
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#if defined(__GLIBC__) && (__GLIBC__ < 2)
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#include <linux/termios.h> /* TIOCLINUX */
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#else
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#include <termios.h>
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#endif
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#endif /* __linux__ */
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#ifdef __CYGWIN__
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#include <termios.h>
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#ifdef HAVE_SYS_IOCTL_H
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#include <sys/ioctl.h>
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#endif
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#endif /* __CYGWIN__ */
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#ifdef __QNXNTO__
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#include <dlfcn.h>
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#include <Ph.h>
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#include <sys/dcmd_chr.h>
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#endif /* __QNXNTO__ */
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/*** global variables ****************************************************************************/
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int mou_auto_repeat = 100;
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int double_click_speed = 250;
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gboolean old_esc_mode = TRUE;
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/* timeout for old_esc_mode in usec */
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int old_esc_mode_timeout = 1000000; /* settable via env */
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gboolean use_8th_bit_as_meta = FALSE;
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gboolean bracketed_pasting_in_progress = FALSE;
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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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const key_code_name_t key_name_conv_tab[] = {
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{ESC_CHAR, "escape", N_("Escape"), "Esc"},
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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"), "F1"},
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{KEY_F (2), "f2", N_("Function key 2"), "F2"},
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{KEY_F (3), "f3", N_("Function key 3"), "F3"},
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{KEY_F (4), "f4", N_("Function key 4"), "F4"},
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{KEY_F (5), "f5", N_("Function key 5"), "F5"},
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{KEY_F (6), "f6", N_("Function key 6"), "F6"},
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{KEY_F (7), "f7", N_("Function key 7"), "F7"},
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{KEY_F (8), "f8", N_("Function key 8"), "F8"},
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{KEY_F (9), "f9", N_("Function key 9"), "F9"},
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{KEY_F (10), "f10", N_("Function key 10"), "F10"},
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{KEY_F (11), "f11", N_("Function key 11"), "F11"},
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{KEY_F (12), "f12", N_("Function key 12"), "F12"},
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{KEY_F (13), "f13", N_("Function key 13"), "F13"},
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{KEY_F (14), "f14", N_("Function key 14"), "F14"},
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{KEY_F (15), "f15", N_("Function key 15"), "F15"},
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{KEY_F (16), "f16", N_("Function key 16"), "F16"},
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{KEY_F (17), "f17", N_("Function key 17"), "F17"},
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{KEY_F (18), "f18", N_("Function key 18"), "F18"},
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{KEY_F (19), "f19", N_("Function key 19"), "F19"},
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{KEY_F (20), "f20", N_("Function key 20"), "F20"},
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{ALT ('\t'), "complete", N_("Completion/M-tab"), "Meta-Tab"},
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{KEY_BTAB, "backtab", N_("BackTab/S-tab"), "Shift-Tab"},
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{KEY_BACKSPACE, "backspace", N_("Backspace"), "Backspace"},
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{KEY_UP, "up", N_("Up arrow"), "Up"},
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{KEY_DOWN, "down", N_("Down arrow"), "Down"},
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{KEY_LEFT, "left", N_("Left arrow"), "Left"},
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{KEY_RIGHT, "right", N_("Right arrow"), "Right"},
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{KEY_IC, "insert", N_("Insert"), "Ins"},
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{KEY_DC, "delete", N_("Delete"), "Del"},
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{KEY_HOME, "home", N_("Home"), "Home"},
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{KEY_END, "end", N_("End key"), "End"},
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{KEY_PPAGE, "pgup", N_("Page Up"), "PgUp"},
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{KEY_NPAGE, "pgdn", N_("Page Down"), "PgDn"},
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{(int) '/', "kpslash", N_("/ on keypad"), "/"},
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{KEY_KP_MULTIPLY, "kpasterisk", N_("* on keypad"), "*"},
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{KEY_KP_SUBTRACT, "kpminus", N_("- on keypad"), "-"},
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{KEY_KP_ADD, "kpplus", 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"), "Left"},
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{KEY_RIGHT, "kpright", N_("Right arrow keypad"), "Right"},
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{KEY_UP, "kpup", N_("Up arrow keypad"), "Up"},
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{KEY_DOWN, "kpdown", N_("Down arrow keypad"), "Down"},
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{KEY_HOME, "kphome", N_("Home on keypad"), "Home"},
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{KEY_END, "kpend", N_("End on keypad"), "End"},
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{KEY_NPAGE, "kpnpage", N_("Page Down keypad"), "PgDn"},
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{KEY_PPAGE, "kpppage", N_("Page Up keypad"), "PgUp"},
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{KEY_IC, "kpinsert", N_("Insert on keypad"), "Ins"},
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{KEY_DC, "kpdelete", N_("Delete on keypad"), "Del"},
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{(int) '\n', "kpenter", N_("Enter on keypad"), "Enter"},
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{KEY_F (21), "f21", N_("Function key 21"), "F21"},
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{KEY_F (22), "f22", N_("Function key 22"), "F22"},
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{KEY_F (23), "f23", N_("Function key 23"), "F23"},
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{KEY_F (24), "f24", N_("Function key 24"), "F24"},
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{KEY_A1, "a1", N_("A1 key"), "A1"},
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{KEY_C1, "c1", N_("C1 key"), "C1"},
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/* Alternative label */
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{ESC_CHAR, "esc", N_("Escape"), "Esc"},
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{KEY_BACKSPACE, "bs", N_("Backspace"), "Bakspace"},
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{KEY_IC, "ins", N_("Insert"), "Ins"},
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{KEY_DC, "del", N_("Delete"), "Del"},
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{(int) '*', "asterisk", N_("Asterisk"), "*"},
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{(int) '-', "minus", N_("Minus"), "-"},
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{(int) '+', "plus", N_("Plus"), "+"},
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{(int) '.', "dot", N_("Dot"), "."},
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{(int) '<', "lt", N_("Less than"), "<"},
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{(int) '>', "gt", N_("Great than"), ">"},
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{(int) '=', "equal", N_("Equal"), "="},
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{(int) ',', "comma", N_("Comma"), ","},
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{(int) '\'', "apostrophe", N_("Apostrophe"), "\'"},
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{(int) ':', "colon", N_("Colon"), ":"},
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{(int) ';', "semicolon", N_("Semicolon"), ";"},
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{(int) '!', "exclamation", N_("Exclamation mark"), "!"},
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{(int) '?', "question", N_("Question mark"), "?"},
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{(int) '&', "ampersand", N_("Ampersand"), "&"},
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{(int) '$', "dollar", N_("Dollar sign"), "$"},
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{(int) '"', "quota", N_("Quotation mark"), "\""},
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{(int) '%', "percent", N_("Percent sign"), "%"},
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{(int) '^', "caret", N_("Caret"), "^"},
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{(int) '~', "tilda", N_("Tilda"), "~"},
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{(int) '`', "prime", N_("Prime"), "`"},
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{(int) '_', "underline", N_("Underline"), "_"},
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{(int) '_', "understrike", N_("Understrike"), "_"},
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{(int) '|', "pipe", N_("Pipe"), "|"},
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{(int) '(', "lparenthesis", N_("Left parenthesis"), "("},
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{(int) ')', "rparenthesis", N_("Right parenthesis"), ")"},
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{(int) '[', "lbracket", N_("Left bracket"), "["},
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{(int) ']', "rbracket", N_("Right bracket"), "]"},
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{(int) '{', "lbrace", N_("Left brace"), "{"},
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{(int) '}', "rbrace", N_("Right brace"), "}"},
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{(int) '\n', "enter", N_("Enter"), "Enter"},
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{(int) '\t', "tab", N_("Tab key"), "Tab"},
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{(int) ' ', "space", N_("Space key"), "Space"},
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{(int) '/', "slash", N_("Slash key"), "/"},
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{(int) '\\', "backslash", N_("Backslash key"), "\\"},
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{(int) '#', "number", N_("Number sign #"), "#"},
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{(int) '#', "hash", N_("Number sign #"), "#"},
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/* TRANSLATORS: Please translate as in "at sign" (@). */
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{(int) '@', "at", N_("At sign"), "@"},
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/* meta keys */
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{KEY_M_CTRL, "control", N_("Ctrl"), "C"},
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{KEY_M_CTRL, "ctrl", N_("Ctrl"), "C"},
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{KEY_M_ALT, "meta", N_("Alt"), "M"},
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{KEY_M_ALT, "alt", N_("Alt"), "M"},
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{KEY_M_ALT, "ralt", N_("Alt"), "M"},
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{KEY_M_SHIFT, "shift", N_("Shift"), "S"},
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{0, NULL, NULL, NULL}
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};
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/*** file scope macro definitions ****************************************************************/
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#define GET_TIME(tv) (gettimeofday(&tv, (struct timezone *) NULL))
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#define DIF_TIME(t1, t2) ((t2.tv_sec - t1.tv_sec) * 1000 + (t2.tv_usec - t1.tv_usec)/1000)
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/* The maximum sequence length (32 + null terminator) */
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#define SEQ_BUFFER_LEN 33
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/*** file scope type declarations ****************************************************************/
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/* Linux console keyboard modifiers */
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typedef enum
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{
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SHIFT_PRESSED = (1 << 0),
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ALTR_PRESSED = (1 << 1),
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CONTROL_PRESSED = (1 << 2),
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ALTL_PRESSED = (1 << 3)
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} mod_pressed_t;
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typedef struct key_def
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{
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char ch; /* Holds the matching char code */
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int code; /* The code returned, valid if child == NULL */
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struct key_def *next;
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struct key_def *child; /* sequence continuation */
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int action; /* optional action to be done. Now used only
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to mark that we are just after the first
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Escape */
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} key_def;
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typedef struct
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{
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int code;
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const char *seq;
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int action;
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} key_define_t;
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/* File descriptor monitoring add/remove routines */
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typedef struct
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{
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int fd;
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select_fn callback;
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void *info;
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} select_t;
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typedef enum KeySortType
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{
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KEY_NOSORT = 0,
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KEY_SORTBYNAME,
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KEY_SORTBYCODE
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} KeySortType;
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#ifdef __QNXNTO__
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typedef int (*ph_dv_f) (void *, void *);
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typedef int (*ph_ov_f) (void *);
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typedef int (*ph_pqc_f) (unsigned short, PhCursorInfo_t *);
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#endif
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/*** file scope variables ************************************************************************/
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static key_define_t mc_default_keys[] = {
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{ESC_CHAR, ESC_STR, MCKEY_ESCAPE},
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{ESC_CHAR, ESC_STR ESC_STR, MCKEY_NOACTION},
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{MCKEY_BRACKETED_PASTING_START, ESC_STR "[200~", MCKEY_NOACTION},
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{MCKEY_BRACKETED_PASTING_END, ESC_STR "[201~", MCKEY_NOACTION},
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{0, NULL, MCKEY_NOACTION},
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};
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/* Broken terminfo and termcap databases on xterminals */
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static key_define_t xterm_key_defines[] = {
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{KEY_F (1), ESC_STR "OP", MCKEY_NOACTION},
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{KEY_F (2), ESC_STR "OQ", MCKEY_NOACTION},
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{KEY_F (3), ESC_STR "OR", MCKEY_NOACTION},
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{KEY_F (4), ESC_STR "OS", MCKEY_NOACTION},
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{KEY_F (1), ESC_STR "[11~", MCKEY_NOACTION},
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{KEY_F (2), ESC_STR "[12~", MCKEY_NOACTION},
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{KEY_F (3), ESC_STR "[13~", MCKEY_NOACTION},
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{KEY_F (4), ESC_STR "[14~", MCKEY_NOACTION},
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{KEY_F (5), ESC_STR "[15~", MCKEY_NOACTION},
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{KEY_F (6), ESC_STR "[17~", MCKEY_NOACTION},
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{KEY_F (7), ESC_STR "[18~", MCKEY_NOACTION},
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{KEY_F (8), ESC_STR "[19~", MCKEY_NOACTION},
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{KEY_F (9), ESC_STR "[20~", MCKEY_NOACTION},
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{KEY_F (10), ESC_STR "[21~", MCKEY_NOACTION},
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/* old xterm Shift-arrows */
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{KEY_M_SHIFT | KEY_UP, ESC_STR "O2A", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_DOWN, ESC_STR "O2B", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_RIGHT, ESC_STR "O2C", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_LEFT, ESC_STR "O2D", MCKEY_NOACTION},
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/* new xterm Shift-arrows */
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{KEY_M_SHIFT | KEY_UP, ESC_STR "[1;2A", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_DOWN, ESC_STR "[1;2B", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_RIGHT, ESC_STR "[1;2C", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_LEFT, ESC_STR "[1;2D", MCKEY_NOACTION},
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/* more xterm keys with modifiers */
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{KEY_M_CTRL | KEY_PPAGE, ESC_STR "[5;5~", MCKEY_NOACTION},
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{KEY_M_CTRL | KEY_NPAGE, ESC_STR "[6;5~", MCKEY_NOACTION},
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{KEY_M_CTRL | KEY_IC, ESC_STR "[2;5~", MCKEY_NOACTION},
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{KEY_M_CTRL | KEY_DC, ESC_STR "[3;5~", MCKEY_NOACTION},
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{KEY_M_CTRL | KEY_HOME, ESC_STR "[1;5H", MCKEY_NOACTION},
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{KEY_M_CTRL | KEY_END, ESC_STR "[1;5F", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_HOME, ESC_STR "[1;2H", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_END, ESC_STR "[1;2F", MCKEY_NOACTION},
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{KEY_M_CTRL | KEY_UP, ESC_STR "[1;5A", MCKEY_NOACTION},
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{KEY_M_CTRL | KEY_DOWN, ESC_STR "[1;5B", MCKEY_NOACTION},
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{KEY_M_CTRL | KEY_RIGHT, ESC_STR "[1;5C", MCKEY_NOACTION},
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{KEY_M_CTRL | KEY_LEFT, ESC_STR "[1;5D", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_IC, ESC_STR "[2;2~", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_DC, ESC_STR "[3;2~", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_M_CTRL | KEY_UP, ESC_STR "[1;6A", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_M_CTRL | KEY_DOWN, ESC_STR "[1;6B", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_M_CTRL | KEY_RIGHT, ESC_STR "[1;6C", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_M_CTRL | KEY_LEFT, ESC_STR "[1;6D", MCKEY_NOACTION},
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{KEY_M_SHIFT | '\t', ESC_STR "[Z", MCKEY_NOACTION},
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/* putty */
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{KEY_M_SHIFT | KEY_M_CTRL | KEY_UP, ESC_STR "[[1;6A", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_M_CTRL | KEY_DOWN, ESC_STR "[[1;6B", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_M_CTRL | KEY_RIGHT, ESC_STR "[[1;6C", MCKEY_NOACTION},
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{KEY_M_SHIFT | KEY_M_CTRL | KEY_LEFT, ESC_STR "[[1;6D", MCKEY_NOACTION},
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/* putty alt-arrow keys */
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/* removed as source esc esc esc trouble */
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/*
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{ KEY_M_ALT | KEY_UP, ESC_STR ESC_STR "OA", MCKEY_NOACTION },
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{ KEY_M_ALT | KEY_DOWN, ESC_STR ESC_STR "OB", MCKEY_NOACTION },
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{ KEY_M_ALT | KEY_RIGHT, ESC_STR ESC_STR "OC", MCKEY_NOACTION },
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{ KEY_M_ALT | KEY_LEFT, ESC_STR ESC_STR "OD", MCKEY_NOACTION },
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{ KEY_M_ALT | KEY_PPAGE, ESC_STR ESC_STR "[5~", MCKEY_NOACTION },
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{ KEY_M_ALT | KEY_NPAGE, ESC_STR ESC_STR "[6~", MCKEY_NOACTION },
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{ KEY_M_ALT | KEY_HOME, ESC_STR ESC_STR "[1~", MCKEY_NOACTION },
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{ KEY_M_ALT | KEY_END, ESC_STR ESC_STR "[4~", MCKEY_NOACTION },
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{ KEY_M_CTRL | KEY_M_ALT | KEY_UP, ESC_STR ESC_STR "[1;2A", MCKEY_NOACTION },
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{ KEY_M_CTRL | KEY_M_ALT | KEY_DOWN, ESC_STR ESC_STR "[1;2B", MCKEY_NOACTION },
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{ KEY_M_CTRL | KEY_M_ALT | KEY_RIGHT, ESC_STR ESC_STR "[1;2C", MCKEY_NOACTION },
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{ KEY_M_CTRL | KEY_M_ALT | KEY_LEFT, ESC_STR ESC_STR "[1;2D", MCKEY_NOACTION },
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{ KEY_M_CTRL | KEY_M_ALT | KEY_PPAGE, ESC_STR ESC_STR "[[5;5~", MCKEY_NOACTION },
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{ KEY_M_CTRL | KEY_M_ALT | KEY_NPAGE, ESC_STR ESC_STR "[[6;5~", MCKEY_NOACTION },
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{ KEY_M_CTRL | KEY_M_ALT | KEY_HOME, ESC_STR ESC_STR "[1;5H", MCKEY_NOACTION },
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{ KEY_M_CTRL | KEY_M_ALT | KEY_END, ESC_STR ESC_STR "[1;5F", MCKEY_NOACTION },
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*/
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/* xterm alt-arrow keys */
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{KEY_M_ALT | KEY_UP, ESC_STR "[1;3A", MCKEY_NOACTION},
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{KEY_M_ALT | KEY_DOWN, ESC_STR "[1;3B", MCKEY_NOACTION},
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{KEY_M_ALT | KEY_RIGHT, ESC_STR "[1;3C", MCKEY_NOACTION},
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{KEY_M_ALT | KEY_LEFT, ESC_STR "[1;3D", MCKEY_NOACTION},
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{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 GSList *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
|
|
select_cmp_by_fd_set (gconstpointer a, gconstpointer b)
|
|
{
|
|
const select_t *s = (const select_t *) a;
|
|
const fd_set *f = (const fd_set *) b;
|
|
|
|
return (FD_ISSET (s->fd, f) ? 0 : 1);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
static int
|
|
select_cmp_by_fd (gconstpointer a, gconstpointer b)
|
|
{
|
|
const select_t *s = (const select_t *) a;
|
|
const int fd = GPOINTER_TO_INT (b);
|
|
|
|
return (s->fd == fd ? 0 : 1);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
static int
|
|
add_selects (fd_set * select_set)
|
|
{
|
|
int top_fd = 0;
|
|
|
|
if (disabled_channels == 0)
|
|
{
|
|
GSList *s;
|
|
|
|
for (s = select_list; s != NULL; s = g_slist_next (s))
|
|
{
|
|
select_t *p = (select_t *) s->data;
|
|
|
|
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)
|
|
{
|
|
while (disabled_channels == 0)
|
|
{
|
|
GSList *s;
|
|
select_t *p;
|
|
|
|
s = g_slist_find_custom (select_list, select_set, select_cmp_by_fd_set);
|
|
if (s == NULL)
|
|
break;
|
|
|
|
p = (select_t *) s->data;
|
|
FD_CLR (p->fd, select_set);
|
|
p->callback (p->fd, p->info);
|
|
}
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
/* If set timeout is set, then we wait 0.1 seconds, else, we block */
|
|
|
|
static void
|
|
try_channels (gboolean set_timeout)
|
|
{
|
|
struct timeval time_out;
|
|
static fd_set select_set;
|
|
|
|
while (TRUE)
|
|
{
|
|
struct timeval *timeptr = NULL;
|
|
int maxfdp, v;
|
|
|
|
FD_ZERO (&select_set);
|
|
FD_SET (input_fd, &select_set); /* Add stdin */
|
|
maxfdp = MAX (add_selects (&select_set), input_fd);
|
|
|
|
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 != '\0'; 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 (TRUE)
|
|
{
|
|
if (pending_keys == NULL)
|
|
try_channels (FALSE);
|
|
|
|
/* Try to get a character */
|
|
c = get_key_code (0);
|
|
if (c != -1)
|
|
break;
|
|
|
|
/* Failed -> wait 0.1 secs and try again */
|
|
try_channels (TRUE);
|
|
}
|
|
|
|
/* 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 != 0 && 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__
|
|
static int in_photon = 0;
|
|
static int ph_ig = 0;
|
|
#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) != 0)
|
|
result |= KEY_M_SHIFT;
|
|
if ((mask & ControlMask) != 0)
|
|
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;
|
|
|
|
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)
|
|
&& (*ph_attach) (0, 0) != NULL)
|
|
{
|
|
/* 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)
|
|
{
|
|
int mod_status;
|
|
int shift_ext_status;
|
|
|
|
if (devctl (fileno (stdin), DCMD_CHR_LINESTATUS, &mod_status, sizeof (mod_status), NULL) ==
|
|
-1)
|
|
return 0;
|
|
|
|
shift_ext_status = mod_status & 0xffffff00UL;
|
|
mod_status &= 0x7f;
|
|
if ((mod_status & _LINESTATUS_CON_ALT) != 0)
|
|
result |= KEY_M_ALT;
|
|
if ((mod_status & _LINESTATUS_CON_CTRL) != 0)
|
|
result |= KEY_M_CTRL;
|
|
if ((mod_status & _LINESTATUS_CON_SHIFT) != 0 || (shift_ext_status & 0x00000800UL) != 0)
|
|
result |= KEY_M_SHIFT;
|
|
}
|
|
else
|
|
{
|
|
PhCursorInfo_t cursor_info;
|
|
|
|
(*ph_query_cursor) (ph_ig, &cursor_info);
|
|
if ((cursor_info.key_mods & 0x04) != 0)
|
|
result |= KEY_M_ALT;
|
|
if ((cursor_info.key_mods & 0x02) != 0)
|
|
result |= KEY_M_CTRL;
|
|
if ((cursor_info.key_mods & 0x01) != 0)
|
|
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) != 0)
|
|
result |= KEY_M_SHIFT;
|
|
if ((modifiers & (ALTL_PRESSED | ALTR_PRESSED)) != 0)
|
|
result |= KEY_M_ALT;
|
|
if ((modifiers & CONTROL_PRESSED) != 0)
|
|
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 ();
|
|
|
|
/* This is needed if the newline is reported as carriage return */
|
|
if (c == '\r')
|
|
c = '\n';
|
|
|
|
/* This is reported to be useful on AIX */
|
|
if (c == KEY_SCANCEL)
|
|
c = '\t';
|
|
|
|
/* Convert Back Tab to Shift+Tab */
|
|
if (c == KEY_BTAB)
|
|
{
|
|
c = '\t';
|
|
mod = KEY_M_SHIFT;
|
|
}
|
|
|
|
/* F0 is the same as F10 for out purposes */
|
|
if (c == KEY_F (0))
|
|
c = KEY_F (10);
|
|
|
|
/*
|
|
* We are not interested if Ctrl was pressed when entering control
|
|
* characters, so assume that it was. When checking for such keys,
|
|
* XCTRL macro should be used. In some cases, we are interested,
|
|
* e.g. to distinguish Ctrl-Enter from Enter.
|
|
*/
|
|
if (c == '\b')
|
|
{
|
|
/* Special case for backspase ('\b' < 32) */
|
|
c = KEY_BACKSPACE;
|
|
mod &= ~KEY_M_CTRL;
|
|
}
|
|
else if (c < 32 && c != ESC_CHAR && c != '\t' && c != '\n')
|
|
mod |= KEY_M_CTRL;
|
|
|
|
#ifdef __QNXNTO__
|
|
qmod = get_modifier ();
|
|
|
|
if (c == 127 && mod == 0)
|
|
{
|
|
/* Add Ctrl/Alt/Shift-BackSpace */
|
|
mod |= get_modifier ();
|
|
c = KEY_BACKSPACE;
|
|
}
|
|
|
|
if (c == '0' && mod == 0 && (qmod & KEY_M_SHIFT) == KEY_M_SHIFT)
|
|
{
|
|
/* Add Shift-Insert on key pad */
|
|
mod = KEY_M_SHIFT;
|
|
c = KEY_IC;
|
|
}
|
|
|
|
if (c == '.' && mod == 0 && (qmod & KEY_M_SHIFT) == KEY_M_SHIFT)
|
|
{
|
|
/* Add Shift-Del on key pad */
|
|
mod = KEY_M_SHIFT;
|
|
c = KEY_DC;
|
|
}
|
|
#endif /* __QNXNTO__ */
|
|
|
|
/* Unrecognized 0177 is delete (preserve Ctrl) */
|
|
if (c == 0177)
|
|
c = KEY_BACKSPACE;
|
|
|
|
#if 0
|
|
/* Unrecognized Ctrl-d is delete */
|
|
if (c == 'd' & 31)
|
|
{
|
|
c = KEY_DC;
|
|
mod &= ~KEY_M_CTRL;
|
|
}
|
|
|
|
/* Unrecognized Ctrl-h is backspace */
|
|
if (c == 'h' & 31)
|
|
{
|
|
c = KEY_BACKSPACE;
|
|
mod &= ~KEY_M_CTRL;
|
|
}
|
|
#endif
|
|
|
|
/* Shift+BackSpace is backspace */
|
|
if (c == KEY_BACKSPACE && (mod & KEY_M_SHIFT) != 0)
|
|
mod &= ~KEY_M_SHIFT;
|
|
|
|
/* Convert Shift+Fn to F(n+10) */
|
|
if (c >= KEY_F (1) && c <= KEY_F (10) && (mod & KEY_M_SHIFT) != 0)
|
|
c += 10;
|
|
|
|
/* Remove Shift information from function keys */
|
|
if (c >= KEY_F (1) && c <= KEY_F (20))
|
|
mod &= ~KEY_M_SHIFT;
|
|
|
|
if (!mc_global.tty.alternate_plus_minus)
|
|
switch (c)
|
|
{
|
|
case KEY_KP_ADD:
|
|
c = '+';
|
|
break;
|
|
case KEY_KP_SUBTRACT:
|
|
c = '-';
|
|
break;
|
|
case KEY_KP_MULTIPLY:
|
|
c = '*';
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return (mod | c);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
static int
|
|
getch_with_timeout (unsigned int delay_us)
|
|
{
|
|
fd_set Read_FD_Set;
|
|
int c;
|
|
struct timeval time_out;
|
|
|
|
time_out.tv_sec = delay_us / 1000000u;
|
|
time_out.tv_usec = delay_us % 1000000u;
|
|
tty_nodelay (TRUE);
|
|
FD_ZERO (&Read_FD_Set);
|
|
FD_SET (input_fd, &Read_FD_Set);
|
|
select (input_fd + 1, &Read_FD_Set, NULL, NULL, &time_out);
|
|
c = tty_lowlevel_getch ();
|
|
tty_nodelay (FALSE);
|
|
return c;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
static void
|
|
learn_store_key (char *buffer, char **p, int c)
|
|
{
|
|
if (*p - buffer > 253)
|
|
return;
|
|
|
|
if (c == ESC_CHAR)
|
|
{
|
|
*(*p)++ = '\\';
|
|
*(*p)++ = 'e';
|
|
}
|
|
else if (c < ' ')
|
|
{
|
|
*(*p)++ = '^';
|
|
*(*p)++ = c + 'a' - 1;
|
|
}
|
|
else if (c == '^')
|
|
{
|
|
*(*p)++ = '^';
|
|
*(*p)++ = '^';
|
|
}
|
|
else
|
|
*(*p)++ = (char) c;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
static void
|
|
k_dispose (key_def * k)
|
|
{
|
|
if (k != NULL)
|
|
{
|
|
k_dispose (k->child);
|
|
k_dispose (k->next);
|
|
g_free (k);
|
|
}
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
static int
|
|
key_code_comparator_by_name (const void *p1, const void *p2)
|
|
{
|
|
const key_code_name_t *n1 = *(const key_code_name_t * const *) p1;
|
|
const key_code_name_t *n2 = *(const key_code_name_t * const *) p2;
|
|
|
|
return g_ascii_strcasecmp (n1->name, n2->name);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
static int
|
|
key_code_comparator_by_code (const void *p1, const void *p2)
|
|
{
|
|
const key_code_name_t *n1 = *(const key_code_name_t * const *) p1;
|
|
const key_code_name_t *n2 = *(const key_code_name_t * const *) p2;
|
|
|
|
return n1->code - n2->code;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
static inline void
|
|
sort_key_conv_tab (enum KeySortType type_sort)
|
|
{
|
|
if (has_been_sorted != type_sort)
|
|
{
|
|
size_t i;
|
|
|
|
for (i = 0; i < key_conv_tab_size; i++)
|
|
key_conv_tab_sorted[i] = &key_name_conv_tab[i];
|
|
|
|
if (type_sort == KEY_SORTBYNAME)
|
|
qsort (key_conv_tab_sorted, key_conv_tab_size, sizeof (key_conv_tab_sorted[0]),
|
|
&key_code_comparator_by_name);
|
|
else if (type_sort == KEY_SORTBYCODE)
|
|
qsort (key_conv_tab_sorted, key_conv_tab_size, sizeof (key_conv_tab_sorted[0]),
|
|
&key_code_comparator_by_code);
|
|
|
|
has_been_sorted = type_sort;
|
|
}
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
static int
|
|
lookup_keyname (const char *name, int *idx)
|
|
{
|
|
if (name[0] != '\0')
|
|
{
|
|
const key_code_name_t key = { 0, name, NULL, NULL };
|
|
const key_code_name_t *keyp = &key;
|
|
const key_code_name_t **res;
|
|
|
|
if (name[1] == '\0')
|
|
{
|
|
*idx = -1;
|
|
return (int) name[0];
|
|
}
|
|
|
|
sort_key_conv_tab (KEY_SORTBYNAME);
|
|
|
|
res = bsearch (&keyp, key_conv_tab_sorted, key_conv_tab_size,
|
|
sizeof (key_conv_tab_sorted[0]), key_code_comparator_by_name);
|
|
|
|
if (res != NULL)
|
|
{
|
|
*idx = (int) (res - key_conv_tab_sorted);
|
|
return (*res)->code;
|
|
}
|
|
}
|
|
|
|
*idx = -1;
|
|
return 0;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
static gboolean
|
|
lookup_keycode (const long code, int *idx)
|
|
{
|
|
if (code != 0)
|
|
{
|
|
const key_code_name_t key = { code, NULL, NULL, NULL };
|
|
const key_code_name_t *keyp = &key;
|
|
const key_code_name_t **res;
|
|
|
|
sort_key_conv_tab (KEY_SORTBYCODE);
|
|
|
|
res = bsearch (&keyp, key_conv_tab_sorted, key_conv_tab_size,
|
|
sizeof (key_conv_tab_sorted[0]), key_code_comparator_by_code);
|
|
|
|
if (res != NULL)
|
|
{
|
|
*idx = (int) (res - key_conv_tab_sorted);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
*idx = -1;
|
|
return FALSE;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
/*** public functions ****************************************************************************/
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
/* This has to be called before init_slang or whatever routine
|
|
calls any define_sequence */
|
|
|
|
void
|
|
init_key (void)
|
|
{
|
|
const char *term;
|
|
|
|
term = getenv ("TERM");
|
|
|
|
/* This has to be the first define_sequence */
|
|
/* So, we can assume that the first keys member has ESC */
|
|
define_sequences (mc_default_keys);
|
|
|
|
/* Terminfo on irix does not have some keys */
|
|
if (mc_global.tty.xterm_flag
|
|
|| (term != NULL
|
|
&& (strncmp (term, "iris-ansi", 9) == 0
|
|
|| strncmp (term, "xterm", 5) == 0
|
|
|| strncmp (term, "rxvt", 4) == 0 || strncmp (term, "screen", 6) == 0)))
|
|
define_sequences (xterm_key_defines);
|
|
|
|
/* load some additional keys (e.g. direct Alt-? support) */
|
|
load_xtra_key_defines ();
|
|
|
|
#ifdef __QNX__
|
|
if ((term != NULL) && (strncmp (term, "qnx", 3) == 0))
|
|
{
|
|
/* Modify the default value of use_8th_bit_as_meta: we would
|
|
* like to provide a working mc for a newbie who knows nothing
|
|
* about [Options|Display bits|Full 8 bits input]...
|
|
*
|
|
* Don't use 'meta'-bit, when we are dealing with a
|
|
* 'qnx*'-type terminal: clear the default value!
|
|
* These terminal types use 0xFF as an escape character,
|
|
* so use_8th_bit_as_meta==1 must not be enabled!
|
|
*
|
|
* [mc-4.1.21+,slint.c/getch(): the DEC_8BIT_HACK stuff
|
|
* is not used now (doesn't even depend on use_8th_bit_as_meta
|
|
* as in mc-3.1.2)...GREAT!...no additional code is required!]
|
|
*/
|
|
use_8th_bit_as_meta = FALSE;
|
|
}
|
|
#endif /* __QNX__ */
|
|
|
|
#ifdef HAVE_TEXTMODE_X11_SUPPORT
|
|
init_key_x11 ();
|
|
#endif
|
|
|
|
/* Load the qansi-m key definitions
|
|
if we are running under the qansi-m terminal */
|
|
if (term != NULL && (strncmp (term, "qansi-m", 7) == 0))
|
|
define_sequences (qansi_key_defines);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
/**
|
|
* This has to be called after SLang_init_tty/slint_init
|
|
*/
|
|
|
|
void
|
|
init_key_input_fd (void)
|
|
{
|
|
#ifdef HAVE_SLANG
|
|
input_fd = SLang_TT_Read_FD;
|
|
#endif
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
void
|
|
done_key (void)
|
|
{
|
|
k_dispose (keys);
|
|
g_slist_free_full (select_list, g_free);
|
|
|
|
#ifdef HAVE_TEXTMODE_X11_SUPPORT
|
|
if (x11_display)
|
|
mc_XCloseDisplay (x11_display);
|
|
#endif
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
void
|
|
add_select_channel (int fd, select_fn callback, void *info)
|
|
{
|
|
select_t *new;
|
|
|
|
new = g_new (select_t, 1);
|
|
new->fd = fd;
|
|
new->callback = callback;
|
|
new->info = info;
|
|
|
|
select_list = g_slist_prepend (select_list, new);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
void
|
|
delete_select_channel (int fd)
|
|
{
|
|
GSList *p;
|
|
|
|
p = g_slist_find_custom (select_list, GINT_TO_POINTER (fd), select_cmp_by_fd);
|
|
if (p != NULL)
|
|
select_list = g_slist_delete_link (select_list, p);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
void
|
|
channels_up (void)
|
|
{
|
|
if (disabled_channels == 0)
|
|
fputs ("Error: channels_up called with disabled_channels = 0\n", stderr);
|
|
disabled_channels--;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
void
|
|
channels_down (void)
|
|
{
|
|
disabled_channels++;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
/**
|
|
* Return the code associated with the symbolic name keyname
|
|
*/
|
|
|
|
long
|
|
lookup_key (const char *name, char **label)
|
|
{
|
|
char **lc_keys, **p;
|
|
char *cname;
|
|
int k = -1;
|
|
int key = 0;
|
|
int lc_index = -1;
|
|
|
|
int use_meta = -1;
|
|
int use_ctrl = -1;
|
|
int use_shift = -1;
|
|
|
|
if (name == NULL)
|
|
return 0;
|
|
|
|
cname = g_strstrip (g_strdup (name));
|
|
lc_keys = g_strsplit_set (cname, "-+ ", -1);
|
|
g_free (cname);
|
|
|
|
for (p = lc_keys; p != NULL && *p != NULL; p++)
|
|
{
|
|
if ((*p)[0] != '\0')
|
|
{
|
|
int idx;
|
|
|
|
key = lookup_keyname (g_strstrip (*p), &idx);
|
|
|
|
if (key == KEY_M_ALT)
|
|
use_meta = idx;
|
|
else if (key == KEY_M_CTRL)
|
|
use_ctrl = idx;
|
|
else if (key == KEY_M_SHIFT)
|
|
use_shift = idx;
|
|
else
|
|
{
|
|
k = key;
|
|
lc_index = idx;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
g_strfreev (lc_keys);
|
|
|
|
/* output */
|
|
if (k <= 0)
|
|
return 0;
|
|
|
|
if (label != NULL)
|
|
{
|
|
GString *s;
|
|
|
|
s = g_string_new ("");
|
|
|
|
if (use_meta != -1)
|
|
{
|
|
g_string_append (s, key_conv_tab_sorted[use_meta]->shortcut);
|
|
g_string_append_c (s, '-');
|
|
}
|
|
if (use_ctrl != -1)
|
|
{
|
|
g_string_append (s, key_conv_tab_sorted[use_ctrl]->shortcut);
|
|
g_string_append_c (s, '-');
|
|
}
|
|
if (use_shift != -1)
|
|
{
|
|
if (k < 127)
|
|
g_string_append_c (s, (gchar) g_ascii_toupper ((gchar) k));
|
|
else
|
|
{
|
|
g_string_append (s, key_conv_tab_sorted[use_shift]->shortcut);
|
|
g_string_append_c (s, '-');
|
|
g_string_append (s, key_conv_tab_sorted[lc_index]->shortcut);
|
|
}
|
|
}
|
|
else if (k < 128)
|
|
{
|
|
if ((k >= 'A') || (lc_index < 0) || (key_conv_tab_sorted[lc_index]->shortcut == NULL))
|
|
g_string_append_c (s, (gchar) g_ascii_tolower ((gchar) k));
|
|
else
|
|
g_string_append (s, key_conv_tab_sorted[lc_index]->shortcut);
|
|
}
|
|
else if ((lc_index != -1) && (key_conv_tab_sorted[lc_index]->shortcut != NULL))
|
|
g_string_append (s, key_conv_tab_sorted[lc_index]->shortcut);
|
|
else
|
|
g_string_append_c (s, (gchar) g_ascii_tolower ((gchar) key));
|
|
|
|
*label = g_string_free (s, FALSE);
|
|
}
|
|
|
|
if (use_shift != -1)
|
|
{
|
|
if (k < 127 && k > 31)
|
|
k = g_ascii_toupper ((gchar) k);
|
|
else
|
|
k |= KEY_M_SHIFT;
|
|
}
|
|
|
|
if (use_ctrl != -1)
|
|
{
|
|
if (k < 256)
|
|
k = XCTRL (k);
|
|
else
|
|
k |= KEY_M_CTRL;
|
|
}
|
|
|
|
if (use_meta != -1)
|
|
k = ALT (k);
|
|
|
|
return (long) k;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
char *
|
|
lookup_key_by_code (const int keycode)
|
|
{
|
|
/* code without modifier */
|
|
unsigned int k = keycode & ~KEY_M_MASK;
|
|
/* modifier */
|
|
unsigned int mod = keycode & KEY_M_MASK;
|
|
|
|
int key_idx = -1;
|
|
|
|
GString *s;
|
|
int idx;
|
|
|
|
s = g_string_sized_new (8);
|
|
|
|
if (lookup_keycode (k, &key_idx) || (k > 0 && k < 256))
|
|
{
|
|
if ((mod & KEY_M_ALT) != 0 && lookup_keycode (KEY_M_ALT, &idx))
|
|
{
|
|
g_string_append (s, key_conv_tab_sorted[idx]->name);
|
|
g_string_append_c (s, '-');
|
|
}
|
|
|
|
if ((mod & KEY_M_CTRL) != 0)
|
|
{
|
|
/* non printeble chars like a CTRL-[A..Z] */
|
|
if (k < 32)
|
|
k += 64;
|
|
|
|
if (lookup_keycode (KEY_M_CTRL, &idx))
|
|
{
|
|
g_string_append (s, key_conv_tab_sorted[idx]->name);
|
|
g_string_append_c (s, '-');
|
|
}
|
|
}
|
|
|
|
if ((mod & KEY_M_SHIFT) != 0)
|
|
{
|
|
if (lookup_keycode (KEY_M_ALT, &idx))
|
|
{
|
|
if (k < 127)
|
|
g_string_append_c (s, (gchar) g_ascii_toupper ((gchar) k));
|
|
else
|
|
{
|
|
g_string_append (s, key_conv_tab_sorted[idx]->name);
|
|
g_string_append_c (s, '-');
|
|
g_string_append (s, key_conv_tab_sorted[key_idx]->name);
|
|
}
|
|
}
|
|
}
|
|
else if (k < 128)
|
|
{
|
|
if ((k >= 'A') || (key_idx < 0) || (key_conv_tab_sorted[key_idx]->name == NULL))
|
|
g_string_append_c (s, (gchar) k);
|
|
else
|
|
g_string_append (s, key_conv_tab_sorted[key_idx]->name);
|
|
}
|
|
else if ((key_idx != -1) && (key_conv_tab_sorted[key_idx]->name != NULL))
|
|
g_string_append (s, key_conv_tab_sorted[key_idx]->name);
|
|
else
|
|
g_string_append_c (s, (gchar) keycode);
|
|
}
|
|
|
|
return g_string_free (s, s->len == 0);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
/**
|
|
* Return TRUE on success, FALSE on error.
|
|
* An error happens if SEQ is a beginning of an existing longer sequence.
|
|
*/
|
|
|
|
gboolean
|
|
define_sequence (int code, const char *seq, int action)
|
|
{
|
|
key_def *base;
|
|
|
|
if (strlen (seq) > SEQ_BUFFER_LEN - 1)
|
|
return FALSE;
|
|
|
|
for (base = keys; (base != NULL) && (*seq != '\0');)
|
|
if (*seq == base->ch)
|
|
{
|
|
if (base->child == NULL)
|
|
{
|
|
if (*(seq + 1) != '\0')
|
|
base->child = create_sequence (seq + 1, code, action);
|
|
else
|
|
{
|
|
/* The sequence matches an existing one. */
|
|
base->code = code;
|
|
base->action = action;
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
base = base->child;
|
|
seq++;
|
|
}
|
|
else
|
|
{
|
|
if (base->next != NULL)
|
|
base = base->next;
|
|
else
|
|
{
|
|
base->next = create_sequence (seq, code, action);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
if (*seq == '\0')
|
|
{
|
|
/* Attempt to redefine a sequence with a shorter sequence. */
|
|
return FALSE;
|
|
}
|
|
|
|
keys = create_sequence (seq, code, action);
|
|
return TRUE;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
/**
|
|
* Check if we are idle, i.e. there are no pending keyboard or mouse
|
|
* events. Return 1 is idle, 0 is there are pending events.
|
|
*/
|
|
gboolean
|
|
is_idle (void)
|
|
{
|
|
int nfd;
|
|
fd_set select_set;
|
|
struct timeval time_out;
|
|
|
|
FD_ZERO (&select_set);
|
|
FD_SET (input_fd, &select_set);
|
|
nfd = MAX (0, input_fd) + 1;
|
|
time_out.tv_sec = 0;
|
|
time_out.tv_usec = 0;
|
|
#ifdef HAVE_LIBGPM
|
|
if (mouse_enabled && use_mouse_p == MOUSE_GPM)
|
|
{
|
|
if (gpm_fd >= 0)
|
|
{
|
|
FD_SET (gpm_fd, &select_set);
|
|
nfd = MAX (nfd, gpm_fd + 1);
|
|
}
|
|
else
|
|
{
|
|
if (mouse_fd >= 0) /* error indicative */
|
|
{
|
|
if (FD_ISSET (mouse_fd, &select_set))
|
|
FD_CLR (mouse_fd, &select_set);
|
|
mouse_fd = gpm_fd;
|
|
}
|
|
/* gpm_fd == -2 means under some X terminal */
|
|
if (gpm_fd == -1)
|
|
{
|
|
mouse_enabled = FALSE;
|
|
use_mouse_p = MOUSE_NONE;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
return (select (nfd, &select_set, 0, 0, &time_out) <= 0);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
int
|
|
get_key_code (int no_delay)
|
|
{
|
|
int c;
|
|
static key_def *this = NULL, *parent;
|
|
static struct timeval esctime = { -1, -1 };
|
|
static int lastnodelay = -1;
|
|
|
|
if (no_delay != lastnodelay)
|
|
{
|
|
this = NULL;
|
|
lastnodelay = no_delay;
|
|
}
|
|
|
|
pend_send:
|
|
if (pending_keys != NULL)
|
|
{
|
|
gboolean bad_seq;
|
|
|
|
c = *pending_keys++;
|
|
while (c == ESC_CHAR)
|
|
c = ALT (*pending_keys++);
|
|
|
|
bad_seq = (*pending_keys != ESC_CHAR && *pending_keys != '\0');
|
|
if (*pending_keys == '\0' || bad_seq)
|
|
pending_keys = seq_append = NULL;
|
|
|
|
if (bad_seq)
|
|
{
|
|
/* This is an unknown ESC sequence.
|
|
* To prevent interpreting its tail as a random garbage,
|
|
* eat and discard all buffered and quickly following chars.
|
|
* Small, but non-zero timeout is needed to reconnect
|
|
* escape sequence split up by e.g. a serial line.
|
|
*/
|
|
int paranoia = 20;
|
|
|
|
while (getch_with_timeout (old_esc_mode_timeout) >= 0 && --paranoia != 0)
|
|
;
|
|
}
|
|
else
|
|
{
|
|
if (c > 127 && c < 256 && use_8th_bit_as_meta)
|
|
c = ALT (c & 0x7f);
|
|
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
nodelay_try_again:
|
|
if (no_delay != 0)
|
|
tty_nodelay (TRUE);
|
|
|
|
c = tty_lowlevel_getch ();
|
|
#if (defined(USE_NCURSES) || defined(USE_NCURSESW)) && defined(KEY_RESIZE)
|
|
if (c == KEY_RESIZE)
|
|
goto nodelay_try_again;
|
|
#endif
|
|
|
|
if (no_delay != 0)
|
|
{
|
|
tty_nodelay (FALSE);
|
|
if (c == -1)
|
|
{
|
|
struct timeval current, time_out;
|
|
|
|
if (this == NULL || parent == NULL || parent->action != MCKEY_ESCAPE || !old_esc_mode ||
|
|
esctime.tv_sec == -1)
|
|
return -1;
|
|
|
|
GET_TIME (current);
|
|
time_out.tv_sec = old_esc_mode_timeout / 1000000 + esctime.tv_sec;
|
|
time_out.tv_usec = old_esc_mode_timeout % 1000000 + esctime.tv_usec;
|
|
if (time_out.tv_usec > 1000000)
|
|
{
|
|
time_out.tv_usec -= 1000000;
|
|
time_out.tv_sec++;
|
|
}
|
|
if (current.tv_sec < time_out.tv_sec ||
|
|
(current.tv_sec == time_out.tv_sec && current.tv_usec < time_out.tv_usec))
|
|
return -1;
|
|
|
|
this = NULL;
|
|
pending_keys = seq_append = NULL;
|
|
return ESC_CHAR;
|
|
}
|
|
}
|
|
else if (c == -1)
|
|
{
|
|
/* Maybe we got an incomplete match.
|
|
This we do only in delay mode, since otherwise
|
|
tty_lowlevel_getch can return -1 at any time. */
|
|
if (seq_append == NULL)
|
|
{
|
|
this = NULL;
|
|
return -1;
|
|
}
|
|
|
|
pending_keys = seq_buffer;
|
|
goto pend_send;
|
|
}
|
|
|
|
/* Search the key on the root */
|
|
if (no_delay == 0 || this == NULL)
|
|
{
|
|
this = keys;
|
|
parent = NULL;
|
|
|
|
if (c > 127 && c < 256 && use_8th_bit_as_meta)
|
|
{
|
|
c &= 0x7f;
|
|
|
|
/* The first sequence defined starts with esc */
|
|
parent = keys;
|
|
this = keys->child;
|
|
}
|
|
}
|
|
|
|
while (this != NULL)
|
|
{
|
|
if (c == this->ch)
|
|
{
|
|
if (this->child == NULL)
|
|
{
|
|
/* We got a complete match, return and reset search */
|
|
pending_keys = seq_append = NULL;
|
|
c = this->code;
|
|
goto done;
|
|
}
|
|
|
|
/* No match yet, but it may be a prefix for a valid seq */
|
|
if (!push_char (c))
|
|
{
|
|
pending_keys = seq_buffer;
|
|
goto pend_send;
|
|
}
|
|
|
|
parent = this;
|
|
this = this->child;
|
|
if (parent->action == MCKEY_ESCAPE && old_esc_mode)
|
|
{
|
|
if (no_delay != 0)
|
|
{
|
|
GET_TIME (esctime);
|
|
goto nodelay_try_again;
|
|
}
|
|
|
|
esctime.tv_sec = -1;
|
|
c = getch_with_timeout (old_esc_mode_timeout);
|
|
if (c != -1)
|
|
continue;
|
|
|
|
pending_keys = seq_append = NULL;
|
|
this = NULL;
|
|
return ESC_CHAR;
|
|
}
|
|
|
|
if (no_delay != 0)
|
|
goto nodelay_try_again;
|
|
c = tty_lowlevel_getch ();
|
|
continue;
|
|
}
|
|
|
|
/* c != this->ch. Try other keys with this prefix */
|
|
if (this->next != NULL)
|
|
{
|
|
this = this->next;
|
|
continue;
|
|
}
|
|
|
|
/* No match found. Is it one of our ESC <key> specials? */
|
|
if ((parent != NULL) && (parent->action == MCKEY_ESCAPE))
|
|
{
|
|
/* Convert escape-digits to F-keys */
|
|
if (g_ascii_isdigit (c))
|
|
c = KEY_F (c - '0');
|
|
else if (c == ' ')
|
|
c = ESC_CHAR;
|
|
else
|
|
c = ALT (c);
|
|
|
|
pending_keys = seq_append = NULL;
|
|
goto done;
|
|
}
|
|
|
|
/* Unknown sequence. Maybe a prefix of a longer one. Save it. */
|
|
push_char (c);
|
|
pending_keys = seq_buffer;
|
|
goto pend_send;
|
|
} /* while (this != NULL) */
|
|
|
|
done:
|
|
this = NULL;
|
|
return correct_key_code (c);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
/* Returns a character read from stdin with appropriate interpretation */
|
|
/* Also takes care of generated mouse events */
|
|
/* Returns EV_MOUSE if it is a mouse event */
|
|
/* Returns EV_NONE if non-blocking or interrupt set and nothing was done */
|
|
|
|
int
|
|
tty_get_event (struct Gpm_Event *event, gboolean redo_event, gboolean block)
|
|
{
|
|
int c;
|
|
int flag = 0; /* Return value from select */
|
|
#ifdef HAVE_LIBGPM
|
|
static struct Gpm_Event ev; /* Mouse event */
|
|
#endif
|
|
struct timeval time_out;
|
|
struct timeval *time_addr = NULL;
|
|
static int dirty = 3;
|
|
|
|
if ((dirty == 3) || is_idle ())
|
|
{
|
|
mc_refresh ();
|
|
dirty = 1;
|
|
}
|
|
else
|
|
dirty++;
|
|
|
|
vfs_timeout_handler ();
|
|
|
|
/* Ok, we use (event->x < 0) to signal that the event does not contain
|
|
a suitable position for the mouse, so we can't use show_mouse_pointer
|
|
on it.
|
|
*/
|
|
if (event->x > 0)
|
|
{
|
|
show_mouse_pointer (event->x, event->y);
|
|
if (!redo_event)
|
|
event->x = -1;
|
|
}
|
|
|
|
/* Repeat if using mouse */
|
|
while (pending_keys == NULL)
|
|
{
|
|
int nfd;
|
|
fd_set select_set;
|
|
|
|
FD_ZERO (&select_set);
|
|
FD_SET (input_fd, &select_set);
|
|
nfd = MAX (add_selects (&select_set), MAX (0, input_fd)) + 1;
|
|
|
|
#ifdef HAVE_LIBGPM
|
|
if (mouse_enabled && (use_mouse_p == MOUSE_GPM))
|
|
{
|
|
if (gpm_fd >= 0)
|
|
{
|
|
FD_SET (gpm_fd, &select_set);
|
|
nfd = MAX (nfd, gpm_fd + 1);
|
|
}
|
|
else
|
|
{
|
|
if (mouse_fd >= 0) /* error indicative */
|
|
{
|
|
if (FD_ISSET (mouse_fd, &select_set))
|
|
FD_CLR (mouse_fd, &select_set);
|
|
mouse_fd = gpm_fd;
|
|
}
|
|
/* gpm_fd == -2 means under some X terminal */
|
|
if (gpm_fd == -1)
|
|
{
|
|
mouse_enabled = FALSE;
|
|
use_mouse_p = MOUSE_NONE;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (redo_event)
|
|
{
|
|
time_out.tv_usec = mou_auto_repeat * 1000;
|
|
time_out.tv_sec = 0;
|
|
|
|
time_addr = &time_out;
|
|
}
|
|
else
|
|
{
|
|
int seconds;
|
|
|
|
seconds = vfs_timeouts ();
|
|
time_addr = NULL;
|
|
|
|
if (seconds != 0)
|
|
{
|
|
/* the timeout could be improved and actually be
|
|
* the number of seconds until the next vfs entry
|
|
* timeouts in the stamp list.
|
|
*/
|
|
|
|
time_out.tv_sec = seconds;
|
|
time_out.tv_usec = 0;
|
|
time_addr = &time_out;
|
|
}
|
|
}
|
|
|
|
if (!block || tty_got_winch ())
|
|
{
|
|
time_addr = &time_out;
|
|
time_out.tv_sec = 0;
|
|
time_out.tv_usec = 0;
|
|
}
|
|
|
|
tty_enable_interrupt_key ();
|
|
flag = select (nfd, &select_set, NULL, NULL, time_addr);
|
|
tty_disable_interrupt_key ();
|
|
|
|
/* select timed out: it could be for any of the following reasons:
|
|
* redo_event -> it was because of the MOU_REPEAT handler
|
|
* !block -> we did not block in the select call
|
|
* else -> 10 second timeout to check the vfs status.
|
|
*/
|
|
if (flag == 0)
|
|
{
|
|
if (redo_event)
|
|
return EV_MOUSE;
|
|
if (!block || tty_got_winch ())
|
|
return EV_NONE;
|
|
vfs_timeout_handler ();
|
|
}
|
|
if (flag == -1 && errno == EINTR)
|
|
return EV_NONE;
|
|
|
|
check_selects (&select_set);
|
|
|
|
if (FD_ISSET (input_fd, &select_set))
|
|
break;
|
|
|
|
#ifdef HAVE_LIBGPM
|
|
if (mouse_enabled && use_mouse_p == MOUSE_GPM)
|
|
{
|
|
if (gpm_fd >= 0)
|
|
{
|
|
if (FD_ISSET (gpm_fd, &select_set))
|
|
{
|
|
int status;
|
|
|
|
status = Gpm_GetEvent (&ev);
|
|
if (status == 1) /* success */
|
|
{
|
|
Gpm_FitEvent (&ev);
|
|
*event = ev;
|
|
return EV_MOUSE;
|
|
}
|
|
if (status <= 0) /* connection closed; -1 == error */
|
|
{
|
|
if (mouse_fd >= 0 && FD_ISSET (mouse_fd, &select_set))
|
|
FD_CLR (mouse_fd, &select_set);
|
|
|
|
disable_mouse ();
|
|
return EV_NONE;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (mouse_fd >= 0) /* error indicative */
|
|
{
|
|
if (FD_ISSET (mouse_fd, &select_set))
|
|
FD_CLR (mouse_fd, &select_set);
|
|
mouse_fd = gpm_fd;
|
|
}
|
|
/* gpm_fd == -2 means under some X terminal */
|
|
if (gpm_fd == -1)
|
|
{
|
|
mouse_enabled = FALSE;
|
|
use_mouse_p = MOUSE_NONE;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
#endif /* !HAVE_LIBGPM */
|
|
}
|
|
|
|
#ifndef HAVE_SLANG
|
|
flag = is_wintouched (stdscr);
|
|
untouchwin (stdscr);
|
|
#endif /* !HAVE_SLANG */
|
|
c = block ? getch_with_delay () : get_key_code (1);
|
|
|
|
#ifndef HAVE_SLANG
|
|
if (flag > 0)
|
|
tty_touch_screen ();
|
|
#endif /* !HAVE_SLANG */
|
|
|
|
if (mouse_enabled && (c == MCKEY_MOUSE
|
|
#ifdef KEY_MOUSE
|
|
|| c == KEY_MOUSE
|
|
#endif /* KEY_MOUSE */
|
|
|| c == MCKEY_EXTENDED_MOUSE))
|
|
{
|
|
/* Mouse event. See tickets 2956 and 3954 for extended mode detection. */
|
|
gboolean extended = c == MCKEY_EXTENDED_MOUSE;
|
|
|
|
#ifdef KEY_MOUSE
|
|
extended = extended || (c == KEY_MOUSE && xmouse_seq == NULL
|
|
&& xmouse_extended_seq != NULL);
|
|
#endif /* KEY_MOUSE */
|
|
|
|
xmouse_get_event (event, extended);
|
|
c = (event->type != 0) ? EV_MOUSE : EV_NONE;
|
|
}
|
|
else if (c == MCKEY_BRACKETED_PASTING_START)
|
|
{
|
|
bracketed_pasting_in_progress = TRUE;
|
|
c = EV_NONE;
|
|
}
|
|
else if (c == MCKEY_BRACKETED_PASTING_END)
|
|
{
|
|
bracketed_pasting_in_progress = FALSE;
|
|
c = EV_NONE;
|
|
}
|
|
|
|
return c;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
/* Returns a key press, mouse events are discarded */
|
|
|
|
int
|
|
tty_getch (void)
|
|
{
|
|
Gpm_Event ev;
|
|
int key;
|
|
|
|
ev.x = -1;
|
|
while ((key = tty_get_event (&ev, FALSE, TRUE)) == EV_NONE)
|
|
;
|
|
return key;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
char *
|
|
learn_key (void)
|
|
{
|
|
/* LEARN_TIMEOUT in usec */
|
|
#define LEARN_TIMEOUT 200000
|
|
|
|
fd_set Read_FD_Set;
|
|
struct timeval endtime;
|
|
struct timeval time_out;
|
|
int c;
|
|
char buffer[256];
|
|
char *p = buffer;
|
|
|
|
tty_keypad (FALSE); /* disable intepreting keys by ncurses */
|
|
c = tty_lowlevel_getch ();
|
|
while (c == -1)
|
|
c = tty_lowlevel_getch (); /* Sanity check, should be unnecessary */
|
|
learn_store_key (buffer, &p, c);
|
|
|
|
GET_TIME (endtime);
|
|
endtime.tv_usec += LEARN_TIMEOUT;
|
|
if (endtime.tv_usec > 1000000)
|
|
{
|
|
endtime.tv_usec -= 1000000;
|
|
endtime.tv_sec++;
|
|
}
|
|
|
|
tty_nodelay (TRUE);
|
|
while (TRUE)
|
|
{
|
|
while ((c = tty_lowlevel_getch ()) == -1)
|
|
{
|
|
GET_TIME (time_out);
|
|
time_out.tv_usec = endtime.tv_usec - time_out.tv_usec;
|
|
if (time_out.tv_usec < 0)
|
|
time_out.tv_sec++;
|
|
time_out.tv_sec = endtime.tv_sec - time_out.tv_sec;
|
|
if (time_out.tv_sec >= 0 && time_out.tv_usec > 0)
|
|
{
|
|
FD_ZERO (&Read_FD_Set);
|
|
FD_SET (input_fd, &Read_FD_Set);
|
|
select (input_fd + 1, &Read_FD_Set, NULL, NULL, &time_out);
|
|
}
|
|
else
|
|
break;
|
|
}
|
|
if (c == -1)
|
|
break;
|
|
learn_store_key (buffer, &p, c);
|
|
}
|
|
tty_keypad (TRUE);
|
|
tty_nodelay (FALSE);
|
|
*p = '\0';
|
|
return g_strdup (buffer);
|
|
#undef LEARN_TIMEOUT
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
/* xterm and linux console only: set keypad to numeric or application
|
|
mode. Only in application keypad mode it's possible to distinguish
|
|
the '+' key and the '+' on the keypad ('*' and '-' ditto) */
|
|
|
|
void
|
|
numeric_keypad_mode (void)
|
|
{
|
|
if (mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag)
|
|
{
|
|
fputs (ESC_STR ">", stdout);
|
|
fflush (stdout);
|
|
}
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
void
|
|
application_keypad_mode (void)
|
|
{
|
|
if (mc_global.tty.console_flag != '\0' || mc_global.tty.xterm_flag)
|
|
{
|
|
fputs (ESC_STR "=", stdout);
|
|
fflush (stdout);
|
|
}
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
void
|
|
enable_bracketed_paste (void)
|
|
{
|
|
printf (ESC_STR "[?2004h");
|
|
fflush (stdout);
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|
|
|
|
void
|
|
disable_bracketed_paste (void)
|
|
{
|
|
printf (ESC_STR "[?2004l");
|
|
fflush (stdout);
|
|
bracketed_pasting_in_progress = FALSE;
|
|
}
|
|
|
|
/* --------------------------------------------------------------------------------------------- */
|