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c484c5a2a1
command prompt.
262 lines
9.3 KiB
C
262 lines
9.3 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2008 Nicholas Marriott <nicholas.marriott@gmail.com>
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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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* (any matching MODEKEYEDIT_SWITCHMODE*) are special-cased to do this.
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*/
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/* Command to string mapping. */
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struct mode_key_cmdstr {
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enum mode_key_cmd cmd;
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const char *name;
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};
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/* Entry in the default mode key tables. */
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struct mode_key_entry {
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key_code key;
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enum mode_key_cmd cmd;
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};
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/* Choice keys command strings. */
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static const struct mode_key_cmdstr mode_key_cmdstr_choice[] = {
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{ MODEKEYCHOICE_BACKSPACE, "backspace" },
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{ MODEKEYCHOICE_BOTTOMLINE, "bottom-line"},
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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_ENDOFLIST, "end-of-list"},
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{ MODEKEYCHOICE_PAGEDOWN, "page-down" },
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{ MODEKEYCHOICE_PAGEUP, "page-up" },
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{ MODEKEYCHOICE_SCROLLDOWN, "scroll-down" },
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{ MODEKEYCHOICE_SCROLLUP, "scroll-up" },
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{ MODEKEYCHOICE_STARTNUMBERPREFIX, "start-number-prefix" },
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{ MODEKEYCHOICE_STARTOFLIST, "start-of-list"},
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{ MODEKEYCHOICE_TOPLINE, "top-line"},
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{ MODEKEYCHOICE_TREE_COLLAPSE, "tree-collapse" },
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{ MODEKEYCHOICE_TREE_COLLAPSE_ALL, "tree-collapse-all" },
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{ MODEKEYCHOICE_TREE_EXPAND, "tree-expand" },
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{ MODEKEYCHOICE_TREE_EXPAND_ALL, "tree-expand-all" },
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{ MODEKEYCHOICE_TREE_TOGGLE, "tree-toggle" },
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{ MODEKEYCHOICE_UP, "up" },
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{ 0, NULL }
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};
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/* vi choice selection keys. */
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static const struct mode_key_entry mode_key_vi_choice[] = {
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{ '0' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '1' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '2' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '3' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '4' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '5' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '6' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '7' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '8' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '9' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '\002' /* C-b */, MODEKEYCHOICE_PAGEUP },
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{ '\003' /* C-c */, MODEKEYCHOICE_CANCEL },
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{ '\005' /* C-e */, MODEKEYCHOICE_SCROLLDOWN },
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{ '\006' /* C-f */, MODEKEYCHOICE_PAGEDOWN },
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{ '\031' /* C-y */, MODEKEYCHOICE_SCROLLUP },
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{ '\n', MODEKEYCHOICE_CHOOSE },
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{ '\r', MODEKEYCHOICE_CHOOSE },
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{ 'j', MODEKEYCHOICE_DOWN },
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{ 'k', MODEKEYCHOICE_UP },
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{ 'q', MODEKEYCHOICE_CANCEL },
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{ KEYC_HOME, MODEKEYCHOICE_STARTOFLIST },
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{ 'g', MODEKEYCHOICE_STARTOFLIST },
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{ 'H', MODEKEYCHOICE_TOPLINE },
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{ 'L', MODEKEYCHOICE_BOTTOMLINE },
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{ 'G', MODEKEYCHOICE_ENDOFLIST },
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{ KEYC_END, MODEKEYCHOICE_ENDOFLIST },
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{ KEYC_BSPACE, MODEKEYCHOICE_BACKSPACE },
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{ KEYC_DOWN | KEYC_CTRL, MODEKEYCHOICE_SCROLLDOWN },
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{ KEYC_DOWN, MODEKEYCHOICE_DOWN },
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{ KEYC_NPAGE, MODEKEYCHOICE_PAGEDOWN },
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{ KEYC_PPAGE, MODEKEYCHOICE_PAGEUP },
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{ KEYC_UP | KEYC_CTRL, MODEKEYCHOICE_SCROLLUP },
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{ KEYC_UP, MODEKEYCHOICE_UP },
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{ ' ', MODEKEYCHOICE_TREE_TOGGLE },
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{ KEYC_LEFT, MODEKEYCHOICE_TREE_COLLAPSE },
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{ KEYC_RIGHT, MODEKEYCHOICE_TREE_EXPAND },
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{ KEYC_LEFT | KEYC_CTRL, MODEKEYCHOICE_TREE_COLLAPSE_ALL },
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{ KEYC_RIGHT | KEYC_CTRL, MODEKEYCHOICE_TREE_EXPAND_ALL },
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{ KEYC_MOUSEDOWN1_PANE, MODEKEYCHOICE_CHOOSE },
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{ KEYC_MOUSEDOWN3_PANE, MODEKEYCHOICE_TREE_TOGGLE },
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{ KEYC_WHEELUP_PANE, MODEKEYCHOICE_UP },
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{ KEYC_WHEELDOWN_PANE, MODEKEYCHOICE_DOWN },
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{ KEYC_NONE, -1 }
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};
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struct mode_key_tree mode_key_tree_vi_choice;
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/* emacs choice selection keys. */
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static const struct mode_key_entry mode_key_emacs_choice[] = {
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{ '0' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '1' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '2' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '3' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '4' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '5' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '6' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '7' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '8' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '9' | KEYC_ESCAPE, MODEKEYCHOICE_STARTNUMBERPREFIX },
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{ '\003' /* C-c */, MODEKEYCHOICE_CANCEL },
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{ '\016' /* C-n */, MODEKEYCHOICE_DOWN },
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{ '\020' /* C-p */, MODEKEYCHOICE_UP },
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{ '\026' /* C-v */, MODEKEYCHOICE_PAGEDOWN },
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{ '\033' /* Escape */, MODEKEYCHOICE_CANCEL },
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{ '\n', MODEKEYCHOICE_CHOOSE },
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{ '\r', MODEKEYCHOICE_CHOOSE },
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{ 'q', MODEKEYCHOICE_CANCEL },
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{ 'v' | KEYC_ESCAPE, MODEKEYCHOICE_PAGEUP },
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{ KEYC_HOME, MODEKEYCHOICE_STARTOFLIST },
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{ '<' | KEYC_ESCAPE, MODEKEYCHOICE_STARTOFLIST },
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{ 'R' | KEYC_ESCAPE, MODEKEYCHOICE_TOPLINE },
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{ '>' | KEYC_ESCAPE, MODEKEYCHOICE_ENDOFLIST },
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{ KEYC_END, MODEKEYCHOICE_ENDOFLIST },
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{ KEYC_BSPACE, MODEKEYCHOICE_BACKSPACE },
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{ KEYC_DOWN | KEYC_CTRL, MODEKEYCHOICE_SCROLLDOWN },
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{ KEYC_DOWN, MODEKEYCHOICE_DOWN },
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{ KEYC_NPAGE, MODEKEYCHOICE_PAGEDOWN },
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{ KEYC_PPAGE, MODEKEYCHOICE_PAGEUP },
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{ KEYC_UP | KEYC_CTRL, MODEKEYCHOICE_SCROLLUP },
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{ KEYC_UP, MODEKEYCHOICE_UP },
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{ ' ', MODEKEYCHOICE_TREE_TOGGLE },
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{ KEYC_LEFT, MODEKEYCHOICE_TREE_COLLAPSE },
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{ KEYC_RIGHT, MODEKEYCHOICE_TREE_EXPAND },
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{ KEYC_LEFT | KEYC_CTRL, MODEKEYCHOICE_TREE_COLLAPSE_ALL },
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{ KEYC_RIGHT | KEYC_CTRL, MODEKEYCHOICE_TREE_EXPAND_ALL },
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{ KEYC_MOUSEDOWN1_PANE, MODEKEYCHOICE_CHOOSE },
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{ KEYC_MOUSEDOWN3_PANE, MODEKEYCHOICE_TREE_TOGGLE },
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{ KEYC_WHEELUP_PANE, MODEKEYCHOICE_UP },
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{ KEYC_WHEELDOWN_PANE, MODEKEYCHOICE_DOWN },
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{ KEYC_NONE, -1 }
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};
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struct mode_key_tree mode_key_tree_emacs_choice;
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/* Table mapping key table names to default settings and trees. */
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static const struct mode_key_table mode_key_tables[] = {
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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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{ "emacs-choice", mode_key_cmdstr_choice,
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&mode_key_tree_emacs_choice, mode_key_emacs_choice },
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{ NULL, NULL, NULL, NULL }
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};
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RB_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->key < mbind2->key)
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return (-1);
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if (mbind1->key > mbind2->key)
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return (1);
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return (0);
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}
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const char *
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mode_key_tostring(const 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(const 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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RB_INIT(mtab->tree);
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for (ment = mtab->table; ment->key != KEYC_NONE; ment++) {
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mbind = xmalloc(sizeof *mbind);
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mbind->key = ment->key;
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mbind->cmd = ment->cmd;
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RB_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_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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}
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enum mode_key_cmd
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mode_key_lookup(struct mode_key_data *mdata, key_code key)
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{
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struct mode_key_binding *mbind, mtmp;
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mtmp.key = key;
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if ((mbind = RB_FIND(mode_key_tree, mdata->tree, &mtmp)) == NULL)
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return (MODEKEY_OTHER);
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return (mbind->cmd);
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}
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