69 lines
2.7 KiB
C
69 lines
2.7 KiB
C
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/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2020 by William Wilgus
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#ifndef CORE_KEYMAP_H
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#define CORE_KEYMAP_H
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#include <stdbool.h>
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#include <inttypes.h>
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#include "config.h"
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#define KEYREMAP_VERSION 1
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#define KEYREMAP_HEADERID (LAST_ACTION_PLACEHOLDER | (TARGET_ID << 8))
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/* If exists remap file will be loaded at startup */
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#define CORE_KEYREMAP_FILE ROCKBOX_DIR "/keyremap.kmf"
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/* open_key_remap(filename , *fd (you must close file_descriptor), *fsize)
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* checks/strips header and returns remaining count
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* fd is opened and set to first record
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* filesize contains the size of the remaining records
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*/
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int open_key_remap(const char *filename, int *fd, size_t *filesize);
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/* load a remap file to allow buttons for actions to be remapped */
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int core_load_key_remap(const char *filename);
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/*
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* entries consist of 3 int [action, button, prebtn]
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* the header (VERSION, LAST_DEFINED_ACTION, count) is stripped by open_key_remap
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*
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* context look up table is at the beginning
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* action_code contains (context | CONTEXT_REMAPPED)
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* button_code contains index of first remapped action for the matched context
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* prebtn_code contains count of actions in this remapped context
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* [-1] REMAP_VERSION, REMAP_HEADERID, entry count(9) / DISCARDED AFTER LOAD
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* [0] CORE_CONTEXT_REMAP(ctx1), offset1=(3), count=(1)
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* [1] CORE_CONTEXT_REMAP(ctx2, offset2=(5), count=(2)
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* [2] sentinel, 0, 0
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* [3] act0, btn, 0
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* [4] sentinel 0, 0
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* [5] act1, btn, 0
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* [6] act2, btn1
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* [7] sentinel, 0, 0
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*
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* Note:
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* last entry of each group is always the sentinel [CONTEXT_STOPSEARCHING, BUTTON_NONE, BUTTON_NONE]
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* contexts must match exactly -- re-mapped contexts run before the built in w/ fall through contexts
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* ie. you can't remap std_context and expect it to match std_context actions from the WPS context.
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*/
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#endif /* CORE_KEYMAP_H */
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