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[input] Make a start on the new binding system

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Input Mapping Tables are still at the core as they are a good concept,
however they include both axis and button mappings, and the size is not
hard-coded, but dependent on the known devices. Not much actually works
yet (nq segfaults when a key is pressed).
This commit is contained in:
Bill Currie 2021-11-03 19:02:39 +09:00
parent 14a5ec7b41
commit 825d8b7a49
14 changed files with 629 additions and 81 deletions
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87
include/QF/input/imt.h Normal file
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/*
imt.h
Input Mapping Table management
Copyright (C) 2001 Zephaniah E. Hull <warp@babylon.d2dc.net>
Copyright (C) 2021 Bill Currie <bill@taniwha.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to:
Free Software Foundation, Inc.
59 Temple Place - Suite 330
Boston, MA 02111-1307, USA
*/
#ifndef __QF_input_imt_h
#define __QF_input_imt_h
#ifndef __QFCC__
#include "QF/darray.h"
#include "QF/input/binding.h"
typedef enum {
imt_button,
imt_axis,
} imt_type;
/** Describe a region of imt bindings (axis or button)
Each device may have a block of axis bindings and a block of button
bindings (some devices will have only the one block). The device name is
used instead of a pointer to the device descriptor so configs can be
preserved even if the device is not present.
Bindings are allocated to a device in contiguous blocks.
*/
typedef struct imt_block_s {
const char *device; ///< name of the owning device
int base; ///< index of first binding
int count; ///< number of bindings
} imt_block_t;
/** Input Mapping Table
*/
typedef struct imt_s {
struct imt_s *next; ///< list of tables attached to key_dest
struct imt_s *chain; ///< fallback table if input not bound
const char *name; ///< for user interaction
int written;
struct DARRAY_TYPE (in_axisbinding_t *) axis_bindings;
struct DARRAY_TYPE (in_buttonbinding_t *) button_bindings;
} imt_t;
typedef struct in_context_s {
imt_t *imts;
imt_t **imt_tail;
imt_t *active_imt;
imt_t *default_imt;
} in_context_t;
int IMT_GetAxisBlock (const char *device, int num_axes);
int IMT_GetButtonBlock (const char *device, int num_buttons);
int IMT_CreateContext (void);
imt_t *IMT_FindIMT (const char *name);
int IMT_CreateIMT (int context, const char *imt_name,
const char *chain_imt_name);
void IMT_ProcessAxis (int axis, int value);
void IMT_ProcessButton (int button, int state);
#endif
#endif//__QF_input_imt_h