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100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/*
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Simple DirectMedia Layer
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Copyright (C) 1997-2022 Sam Lantinga <slouken@libsdl.org>
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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*/
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#ifndef SDL_sysjoystick_c_h_
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#define SDL_sysjoystick_c_h_
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#include <linux/input.h>
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struct SDL_joylist_item;
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/* The private structure used to keep track of a joystick */
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struct joystick_hwdata
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{
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int fd;
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struct SDL_joylist_item *item;
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SDL_JoystickGUID guid;
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char *fname; /* Used in haptic subsystem */
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SDL_bool ff_rumble;
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SDL_bool ff_sine;
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struct ff_effect effect;
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Uint32 effect_expiration;
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/* The current Linux joystick driver maps hats to two axes */
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struct hwdata_hat
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{
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int axis[2];
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} *hats;
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/* The current Linux joystick driver maps balls to two axes */
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struct hwdata_ball
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{
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int axis[2];
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} *balls;
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/* Support for the Linux 2.4 unified input interface */
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Uint8 key_map[KEY_MAX];
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Uint8 abs_map[ABS_MAX];
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SDL_bool has_key[KEY_MAX];
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SDL_bool has_abs[ABS_MAX];
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/* Support for the classic joystick interface */
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SDL_bool classic;
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Uint16 *key_pam;
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Uint8 *abs_pam;
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struct axis_correct
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{
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SDL_bool use_deadzones;
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/* Deadzone coefficients */
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int coef[3];
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/* Raw coordinate scale */
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int minimum;
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int maximum;
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float scale;
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} abs_correct[ABS_MAX];
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SDL_bool fresh;
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SDL_bool recovering_from_dropped;
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/* Steam Controller support */
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SDL_bool m_bSteamController;
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/* 4 = (ABS_HAT3X-ABS_HAT0X)/2 (see input-event-codes.h in kernel) */
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int hats_indices[4];
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SDL_bool has_hat[4];
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struct hat_axis_correct
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{
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SDL_bool use_deadzones;
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int minimum[2];
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int maximum[2];
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} hat_correct[4];
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/* Set when gamepad is pending removal due to ENODEV read error */
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SDL_bool gone;
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};
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#endif /* SDL_sysjoystick_c_h_ */
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/* vi: set ts=4 sw=4 expandtab: */
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