| /*************************************************************************** |
| * |
| * Multitouch X driver |
| * Copyright (C) 2008 Henrik Rydberg <rydberg@euromail.se> |
| * |
| * 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 the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| * |
| **************************************************************************/ |
| |
| #ifndef MTSTATE_H |
| #define MTSTATE_H |
| |
| #include "hwstate.h" |
| |
| struct MTState { |
| struct FingerState finger[DIM_FINGER]; |
| int nfinger; |
| bitmask_t thumb; |
| bitmask_t button; |
| mstime_t evtime; |
| }; |
| |
| void init_mtstate(struct MTState *s); |
| void extract_mtstate(struct MTState *s, |
| const struct HWState *hs, |
| const struct Capabilities *caps); |
| void output_mtstate(const struct MTState *s); |
| |
| const struct FingerState *find_finger(const struct MTState *s, int id); |
| |
| |
| static inline int center_dist2(const struct FingerState *a, |
| const struct Capabilities *caps) |
| { |
| return dist2(a->position_x - get_cap_xmid(caps), |
| a->position_y - get_cap_ymid(caps)); |
| } |
| |
| static inline int center_maxdist2(const struct Capabilities *caps) |
| { |
| return dist2(get_cap_xsize(caps) / 2, get_cap_ysize(caps) / 2); |
| } |
| |
| #endif |
| |