mirror of
https://github.com/tmate-io/tmate.git
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417 lines
14 KiB
C
417 lines
14 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Mode keys. These are the key bindings used when editing (status prompt), and
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* in the modes. They are split into two sets of three tables, one set of three
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* for vi and the other for emacs key bindings. The three tables are for
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* editing, for menu-like modes (choice, more), and for copy modes (copy,
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* scroll).
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*
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* The fixed tables of struct mode_key_entry below are the defaults: they are
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* built into a tree of struct mode_key_binding by mode_key_init_trees, which
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* can then be modified.
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*
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* vi command mode is handled by having a mode flag in the struct which allows
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* two sets of bindings to be swapped between. A couple of editing commands
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* (MODEKEYEDIT_SWITCHMODE and MODEKEYEDIT_SWITCHMODEAPPEND) are special-cased
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* to do this.
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*/
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/* Edit keys command strings. */
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struct mode_key_cmdstr mode_key_cmdstr_edit[] = {
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{ MODEKEYEDIT_BACKSPACE, "backspace" },
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{ MODEKEYEDIT_CANCEL, "cancel" },
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{ MODEKEYEDIT_COMPLETE, "complete" },
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{ MODEKEYEDIT_CURSORLEFT, "cursor-left" },
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{ MODEKEYEDIT_CURSORRIGHT, "cursor-right" },
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{ MODEKEYEDIT_DELETE, "delete" },
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{ MODEKEYEDIT_DELETELINE, "delete-line" },
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{ MODEKEYEDIT_DELETETOENDOFLINE, "delete-end-of-line" },
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{ MODEKEYEDIT_ENDOFLINE, "end-of-line" },
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{ MODEKEYEDIT_ENTER, "enter" },
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{ MODEKEYEDIT_HISTORYDOWN, "history-down" },
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{ MODEKEYEDIT_HISTORYUP, "history-up" },
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{ MODEKEYEDIT_PASTE, "paste" },
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{ MODEKEYEDIT_STARTOFLINE, "start-of-line" },
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{ MODEKEYEDIT_SWITCHMODE, "switch-mode" },
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{ MODEKEYEDIT_SWITCHMODEAPPEND, "switch-mode-append" },
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{ MODEKEYEDIT_TRANSPOSECHARS, "transpose-chars" },
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{ 0, NULL }
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};
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/* Choice keys command strings. */
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struct mode_key_cmdstr mode_key_cmdstr_choice[] = {
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{ MODEKEYCHOICE_CANCEL, "cancel" },
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{ MODEKEYCHOICE_CHOOSE, "choose" },
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{ MODEKEYCHOICE_DOWN, "down" },
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{ MODEKEYCHOICE_PAGEDOWN, "page-down" },
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{ MODEKEYCHOICE_PAGEUP, "page-up" },
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{ MODEKEYCHOICE_UP, "up" },
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{ 0, NULL }
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};
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/* Copy keys command strings. */
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struct mode_key_cmdstr mode_key_cmdstr_copy[] = {
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{ MODEKEYCOPY_BACKTOINDENTATION, "back-to-indentation" },
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{ MODEKEYCOPY_BOTTOMLINE, "bottom-line" },
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{ MODEKEYCOPY_CANCEL, "cancel" },
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{ MODEKEYCOPY_CLEARSELECTION, "clear-selection" },
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{ MODEKEYCOPY_COPYSELECTION, "copy-selection" },
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{ MODEKEYCOPY_DOWN, "cursor-down" },
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{ MODEKEYCOPY_ENDOFLINE, "end-of-line" },
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{ MODEKEYCOPY_GOTOLINE, "goto-line" },
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{ MODEKEYCOPY_LEFT, "cursor-left" },
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{ MODEKEYCOPY_MIDDLELINE, "middle-line" },
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{ MODEKEYCOPY_NEXTPAGE, "page-down" },
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{ MODEKEYCOPY_NEXTWORD, "next-word" },
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{ MODEKEYCOPY_PREVIOUSPAGE, "page-up" },
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{ MODEKEYCOPY_PREVIOUSWORD, "previous-word" },
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{ MODEKEYCOPY_RIGHT, "cursor-right" },
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{ MODEKEYCOPY_SCROLLDOWN, "scroll-down" },
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{ MODEKEYCOPY_SCROLLUP, "scroll-up" },
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{ MODEKEYCOPY_SEARCHAGAIN, "search-again" },
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{ MODEKEYCOPY_SEARCHDOWN, "search-forward" },
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{ MODEKEYCOPY_SEARCHUP, "search-backward" },
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{ MODEKEYCOPY_STARTOFLINE, "start-of-line" },
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{ MODEKEYCOPY_STARTSELECTION, "begin-selection" },
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{ MODEKEYCOPY_TOPLINE, "top-line" },
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{ MODEKEYCOPY_UP, "cursor-up" },
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{ 0, NULL }
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};
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/* vi editing keys. */
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const struct mode_key_entry mode_key_vi_edit[] = {
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{ '\003' /* C-c */, 0, MODEKEYEDIT_CANCEL },
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{ '\010' /* C-h */, 0, MODEKEYEDIT_BACKSPACE },
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{ '\011' /* Tab */, 0, MODEKEYEDIT_COMPLETE },
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{ '\033' /* Escape */, 0, MODEKEYEDIT_SWITCHMODE },
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{ '\r', 0, MODEKEYEDIT_ENTER },
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{ KEYC_BSPACE, 0, MODEKEYEDIT_BACKSPACE },
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{ KEYC_DC, 0, MODEKEYEDIT_DELETE },
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{ '$', 1, MODEKEYEDIT_ENDOFLINE },
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{ '0', 1, MODEKEYEDIT_STARTOFLINE },
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{ 'd', 1, MODEKEYEDIT_DELETELINE },
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{ 'D', 1, MODEKEYEDIT_DELETETOENDOFLINE },
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{ '\003' /* C-c */, 1, MODEKEYEDIT_CANCEL },
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{ '\010' /* C-h */, 1, MODEKEYEDIT_BACKSPACE },
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{ '\r', 1, MODEKEYEDIT_ENTER },
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{ '^', 1, MODEKEYEDIT_STARTOFLINE },
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{ 'a', 1, MODEKEYEDIT_SWITCHMODEAPPEND },
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{ 'h', 1, MODEKEYEDIT_CURSORLEFT },
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{ 'i', 1, MODEKEYEDIT_SWITCHMODE },
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{ 'j', 1, MODEKEYEDIT_HISTORYDOWN },
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{ 'k', 1, MODEKEYEDIT_HISTORYUP },
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{ 'l', 1, MODEKEYEDIT_CURSORRIGHT },
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{ 'p', 1, MODEKEYEDIT_PASTE },
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{ KEYC_BSPACE, 1, MODEKEYEDIT_BACKSPACE },
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{ KEYC_DC, 1, MODEKEYEDIT_DELETE },
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{ KEYC_DOWN, 1, MODEKEYEDIT_HISTORYDOWN },
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{ KEYC_LEFT, 1, MODEKEYEDIT_CURSORLEFT },
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{ KEYC_RIGHT, 1, MODEKEYEDIT_CURSORRIGHT },
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{ KEYC_UP, 1, MODEKEYEDIT_HISTORYUP },
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{ 0, -1, 0 }
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};
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struct mode_key_tree mode_key_tree_vi_edit;
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/* vi choice selection keys. */
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const struct mode_key_entry mode_key_vi_choice[] = {
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{ '\003' /* C-c */, 0, MODEKEYCHOICE_CANCEL },
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{ '\r', 0, MODEKEYCHOICE_CHOOSE },
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{ 'j', 0, MODEKEYCHOICE_DOWN },
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{ 'k', 0, MODEKEYCHOICE_UP },
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{ 'q', 0, MODEKEYCHOICE_CANCEL },
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{ KEYC_DOWN, 0, MODEKEYCHOICE_DOWN },
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{ KEYC_NPAGE, 0, MODEKEYCHOICE_PAGEDOWN },
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{ KEYC_PPAGE, 0, MODEKEYCHOICE_PAGEUP },
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{ KEYC_UP, 0, MODEKEYCHOICE_UP },
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{ 0, -1, 0 }
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};
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struct mode_key_tree mode_key_tree_vi_choice;
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/* vi copy mode keys. */
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const struct mode_key_entry mode_key_vi_copy[] = {
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{ ' ', 0, MODEKEYCOPY_STARTSELECTION },
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{ '$', 0, MODEKEYCOPY_ENDOFLINE },
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{ '/', 0, MODEKEYCOPY_SEARCHDOWN },
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{ '0', 0, MODEKEYCOPY_STARTOFLINE },
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{ ':', 0, MODEKEYCOPY_GOTOLINE },
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{ '?', 0, MODEKEYCOPY_SEARCHUP },
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{ 'H', 0, MODEKEYCOPY_TOPLINE },
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{ 'J', 0, MODEKEYCOPY_SCROLLDOWN },
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{ 'K', 0, MODEKEYCOPY_SCROLLUP },
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{ 'L', 0, MODEKEYCOPY_BOTTOMLINE },
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{ 'M', 0, MODEKEYCOPY_MIDDLELINE },
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{ '\002' /* C-b */, 0, MODEKEYCOPY_PREVIOUSPAGE },
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{ '\003' /* C-c */, 0, MODEKEYCOPY_CANCEL },
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{ '\004' /* C-d */, 0, MODEKEYCOPY_HALFPAGEDOWN },
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{ '\006' /* C-f */, 0, MODEKEYCOPY_NEXTPAGE },
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{ '\010' /* C-h */, 0, MODEKEYCOPY_LEFT },
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{ '\025' /* C-u */, 0, MODEKEYCOPY_HALFPAGEUP },
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{ '\033' /* Escape */, 0, MODEKEYCOPY_CLEARSELECTION },
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{ '\r', 0, MODEKEYCOPY_COPYSELECTION },
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{ '^', 0, MODEKEYCOPY_BACKTOINDENTATION },
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{ 'b', 0, MODEKEYCOPY_PREVIOUSWORD },
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{ 'h', 0, MODEKEYCOPY_LEFT },
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{ 'j', 0, MODEKEYCOPY_DOWN },
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{ 'k', 0, MODEKEYCOPY_UP },
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{ 'l', 0, MODEKEYCOPY_RIGHT },
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{ 'n', 0, MODEKEYCOPY_SEARCHAGAIN },
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{ 'q', 0, MODEKEYCOPY_CANCEL },
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{ 'w', 0, MODEKEYCOPY_NEXTWORD },
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{ KEYC_BSPACE, 0, MODEKEYCOPY_LEFT },
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{ KEYC_DOWN | KEYC_CTRL,0, MODEKEYCOPY_SCROLLDOWN },
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{ KEYC_DOWN, 0, MODEKEYCOPY_DOWN },
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{ KEYC_LEFT, 0, MODEKEYCOPY_LEFT },
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{ KEYC_NPAGE, 0, MODEKEYCOPY_NEXTPAGE },
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{ KEYC_PPAGE, 0, MODEKEYCOPY_PREVIOUSPAGE },
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{ KEYC_RIGHT, 0, MODEKEYCOPY_RIGHT },
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{ KEYC_UP | KEYC_CTRL, 0, MODEKEYCOPY_SCROLLUP },
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{ KEYC_UP, 0, MODEKEYCOPY_UP },
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{ 0, -1, 0 }
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};
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struct mode_key_tree mode_key_tree_vi_copy;
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/* emacs editing keys. */
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const struct mode_key_entry mode_key_emacs_edit[] = {
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{ '\001' /* C-a */, 0, MODEKEYEDIT_STARTOFLINE },
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{ '\002' /* C-b */, 0, MODEKEYEDIT_CURSORLEFT },
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{ '\003' /* C-c */, 0, MODEKEYEDIT_CANCEL },
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{ '\004' /* C-d */, 0, MODEKEYEDIT_DELETE },
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{ '\005' /* C-e */, 0, MODEKEYEDIT_ENDOFLINE },
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{ '\006' /* C-f */, 0, MODEKEYEDIT_CURSORRIGHT },
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{ '\010' /* C-H */, 0, MODEKEYEDIT_BACKSPACE },
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{ '\011' /* Tab */, 0, MODEKEYEDIT_COMPLETE },
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{ '\013' /* C-k */, 0, MODEKEYEDIT_DELETETOENDOFLINE },
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{ '\016' /* C-n */, 0, MODEKEYEDIT_HISTORYDOWN },
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{ '\020' /* C-p */, 0, MODEKEYEDIT_HISTORYUP },
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{ '\024' /* C-t */, 0, MODEKEYEDIT_TRANSPOSECHARS },
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{ '\025' /* C-u */, 0, MODEKEYEDIT_DELETELINE },
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{ '\031' /* C-y */, 0, MODEKEYEDIT_PASTE },
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{ '\033' /* Escape */, 0, MODEKEYEDIT_CANCEL },
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{ '\r', 0, MODEKEYEDIT_ENTER },
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{ 'm' | KEYC_ESCAPE, 0, MODEKEYEDIT_STARTOFLINE },
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{ KEYC_BSPACE, 0, MODEKEYEDIT_BACKSPACE },
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{ KEYC_DC, 0, MODEKEYEDIT_DELETE },
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{ KEYC_DOWN, 0, MODEKEYEDIT_HISTORYDOWN },
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{ KEYC_LEFT, 0, MODEKEYEDIT_CURSORLEFT },
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{ KEYC_RIGHT, 0, MODEKEYEDIT_CURSORRIGHT },
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{ KEYC_UP, 0, MODEKEYEDIT_HISTORYUP },
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{ 0, -1, 0 }
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};
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struct mode_key_tree mode_key_tree_emacs_edit;
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/* emacs choice selection keys. */
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const struct mode_key_entry mode_key_emacs_choice[] = {
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{ '\003' /* C-c */, 0, MODEKEYCHOICE_CANCEL },
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{ '\016' /* C-n */, 0, MODEKEYCHOICE_DOWN },
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{ '\020' /* C-p */, 0, MODEKEYCHOICE_UP },
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{ '\026' /* C-v */, 0, MODEKEYCHOICE_PAGEDOWN },
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{ '\033' /* Escape */, 0, MODEKEYCHOICE_CANCEL },
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{ '\r', 0, MODEKEYCHOICE_CHOOSE },
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{ 'q', 0, MODEKEYCHOICE_CANCEL },
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{ 'v' | KEYC_ESCAPE, 0, MODEKEYCHOICE_PAGEUP },
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{ KEYC_DOWN, 0, MODEKEYCHOICE_DOWN },
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{ KEYC_NPAGE, 0, MODEKEYCHOICE_PAGEDOWN },
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{ KEYC_PPAGE, 0, MODEKEYCHOICE_PAGEUP },
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{ KEYC_UP, 0, MODEKEYCHOICE_UP },
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{ 0, -1, 0 }
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};
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struct mode_key_tree mode_key_tree_emacs_choice;
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/* emacs copy mode keys. */
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const struct mode_key_entry mode_key_emacs_copy[] = {
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{ ' ', 0, MODEKEYCOPY_NEXTPAGE },
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{ '\000' /* C-Space */, 0, MODEKEYCOPY_STARTSELECTION },
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{ '\001' /* C-a */, 0, MODEKEYCOPY_STARTOFLINE },
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{ '\002' /* C-b */, 0, MODEKEYCOPY_LEFT },
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{ '\003' /* C-c */, 0, MODEKEYCOPY_CANCEL },
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{ '\005' /* C-e */, 0, MODEKEYCOPY_ENDOFLINE },
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{ '\006' /* C-f */, 0, MODEKEYCOPY_RIGHT },
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{ '\007' /* C-g */, 0, MODEKEYCOPY_CLEARSELECTION },
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{ '\016' /* C-n */, 0, MODEKEYCOPY_DOWN },
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{ '\020' /* C-p */, 0, MODEKEYCOPY_UP },
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{ '\022' /* C-r */, 0, MODEKEYCOPY_SEARCHUP },
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{ '\023' /* C-s */, 0, MODEKEYCOPY_SEARCHDOWN },
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{ '\026' /* C-v */, 0, MODEKEYCOPY_NEXTPAGE },
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{ '\027' /* C-w */, 0, MODEKEYCOPY_COPYSELECTION },
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{ '\033' /* Escape */, 0, MODEKEYCOPY_CANCEL },
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{ 'b' | KEYC_ESCAPE, 0, MODEKEYCOPY_PREVIOUSWORD },
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{ 'f' | KEYC_ESCAPE, 0, MODEKEYCOPY_NEXTWORD },
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{ 'g', 0, MODEKEYCOPY_GOTOLINE },
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{ 'm' | KEYC_ESCAPE, 0, MODEKEYCOPY_BACKTOINDENTATION },
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{ 'n', 0, MODEKEYCOPY_SEARCHAGAIN },
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{ 'q', 0, MODEKEYCOPY_CANCEL },
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{ 'r' | KEYC_ESCAPE, 0, MODEKEYCOPY_MIDDLELINE },
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{ 'R' | KEYC_ESCAPE, 0, MODEKEYCOPY_TOPLINE },
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{ 'v' | KEYC_ESCAPE, 0, MODEKEYCOPY_PREVIOUSPAGE },
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{ 'w' | KEYC_ESCAPE, 0, MODEKEYCOPY_COPYSELECTION },
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{ KEYC_DOWN | KEYC_CTRL,0, MODEKEYCOPY_SCROLLDOWN },
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{ KEYC_DOWN | KEYC_ESCAPE, 0, MODEKEYCOPY_HALFPAGEDOWN },
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{ KEYC_DOWN, 0, MODEKEYCOPY_DOWN },
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{ KEYC_LEFT, 0, MODEKEYCOPY_LEFT },
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{ KEYC_NPAGE, 0, MODEKEYCOPY_NEXTPAGE },
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{ KEYC_PPAGE, 0, MODEKEYCOPY_PREVIOUSPAGE },
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{ KEYC_RIGHT, 0, MODEKEYCOPY_RIGHT },
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{ KEYC_UP | KEYC_CTRL, 0, MODEKEYCOPY_SCROLLUP },
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{ KEYC_UP | KEYC_ESCAPE, 0, MODEKEYCOPY_HALFPAGEUP },
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{ KEYC_UP, 0, MODEKEYCOPY_UP },
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{ 0, -1, 0 }
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};
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struct mode_key_tree mode_key_tree_emacs_copy;
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/* Table mapping key table names to default settings and trees. */
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const struct mode_key_table mode_key_tables[] = {
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{ "vi-edit", mode_key_cmdstr_edit,
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&mode_key_tree_vi_edit, mode_key_vi_edit },
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{ "vi-choice", mode_key_cmdstr_choice,
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&mode_key_tree_vi_choice, mode_key_vi_choice },
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{ "vi-copy", mode_key_cmdstr_copy,
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&mode_key_tree_vi_copy, mode_key_vi_copy },
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{ "emacs-edit", mode_key_cmdstr_edit,
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&mode_key_tree_emacs_edit, mode_key_emacs_edit },
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{ "emacs-choice", mode_key_cmdstr_choice,
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&mode_key_tree_emacs_choice, mode_key_emacs_choice },
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{ "emacs-copy", mode_key_cmdstr_copy,
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&mode_key_tree_emacs_copy, mode_key_emacs_copy },
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{ NULL, NULL, NULL, NULL }
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};
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SPLAY_GENERATE(mode_key_tree, mode_key_binding, entry, mode_key_cmp);
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int
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mode_key_cmp(struct mode_key_binding *mbind1, struct mode_key_binding *mbind2)
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{
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if (mbind1->mode != mbind2->mode)
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return (mbind1->mode - mbind2->mode);
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return (mbind1->key - mbind2->key);
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}
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const char *
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mode_key_tostring(struct mode_key_cmdstr *cmdstr, enum mode_key_cmd cmd)
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{
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for (; cmdstr->name != NULL; cmdstr++) {
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if (cmdstr->cmd == cmd)
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return (cmdstr->name);
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}
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return (NULL);
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}
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enum mode_key_cmd
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mode_key_fromstring(struct mode_key_cmdstr *cmdstr, const char *name)
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{
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for (; cmdstr->name != NULL; cmdstr++) {
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if (strcasecmp(cmdstr->name, name) == 0)
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return (cmdstr->cmd);
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}
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return (MODEKEY_NONE);
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}
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const struct mode_key_table *
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mode_key_findtable(const char *name)
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{
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const struct mode_key_table *mtab;
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for (mtab = mode_key_tables; mtab->name != NULL; mtab++) {
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if (strcasecmp(name, mtab->name) == 0)
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return (mtab);
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}
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return (NULL);
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}
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void
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mode_key_init_trees(void)
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{
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const struct mode_key_table *mtab;
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const struct mode_key_entry *ment;
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struct mode_key_binding *mbind;
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for (mtab = mode_key_tables; mtab->name != NULL; mtab++) {
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SPLAY_INIT(mtab->tree);
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for (ment = mtab->table; ment->mode != -1; ment++) {
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mbind = xmalloc(sizeof *mbind);
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mbind->key = ment->key;
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mbind->mode = ment->mode;
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mbind->cmd = ment->cmd;
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SPLAY_INSERT(mode_key_tree, mtab->tree, mbind);
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}
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}
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}
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void
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mode_key_free_trees(void)
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{
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const struct mode_key_table *mtab;
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struct mode_key_binding *mbind;
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for (mtab = mode_key_tables; mtab->name != NULL; mtab++) {
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while (!SPLAY_EMPTY(mtab->tree)) {
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mbind = SPLAY_ROOT(mtab->tree);
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SPLAY_REMOVE(mode_key_tree, mtab->tree, mbind);
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xfree(mbind);
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}
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}
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}
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void
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mode_key_init(struct mode_key_data *mdata, struct mode_key_tree *mtree)
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{
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mdata->tree = mtree;
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mdata->mode = 0;
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}
|
|
|
|
enum mode_key_cmd
|
|
mode_key_lookup(struct mode_key_data *mdata, int key)
|
|
{
|
|
struct mode_key_binding *mbind, mtmp;
|
|
|
|
mtmp.key = key;
|
|
mtmp.mode = mdata->mode;
|
|
if ((mbind = SPLAY_FIND(mode_key_tree, mdata->tree, &mtmp)) == NULL) {
|
|
if (mdata->mode != 0)
|
|
return (MODEKEY_NONE);
|
|
return (MODEKEY_OTHER);
|
|
}
|
|
|
|
switch (mbind->cmd) {
|
|
case MODEKEYEDIT_SWITCHMODE:
|
|
case MODEKEYEDIT_SWITCHMODEAPPEND:
|
|
mdata->mode = 1 - mdata->mode;
|
|
/* FALLTHROUGH */
|
|
default:
|
|
return (mbind->cmd);
|
|
}
|
|
}
|