59 lines
2 KiB
C
59 lines
2 KiB
C
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/* Copyright 2022 Daniel Kao <daniel.m.kao@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stdint.h>
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#include "report.h"
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#ifdef POINTING_DEVICE_GESTURES_CURSOR_GLIDE_ENABLE
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typedef struct {
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mouse_xy_report_t dx;
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mouse_xy_report_t dy;
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bool valid;
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} cursor_glide_t;
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typedef struct {
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uint16_t trigger_px; /* Pixels of movement needed to trigger cursor glide */
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uint16_t coef; /* Coefficient of friction */
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uint16_t interval; /* Glide report interval, in milliseconds */
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} cursor_glide_config_t;
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typedef struct {
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int32_t v0;
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int32_t x;
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int32_t y;
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uint16_t z;
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uint16_t timer;
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uint16_t counter;
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mouse_xy_report_t dx0;
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mouse_xy_report_t dy0;
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} cursor_glide_status_t;
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typedef struct {
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cursor_glide_config_t config;
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cursor_glide_status_t status;
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} cursor_glide_context_t;
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/* Check glide report conditions, calculates glide coordinates */
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cursor_glide_t cursor_glide_check(cursor_glide_context_t* glide);
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/* Start glide reporting, gives first set of glide coordinates */
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cursor_glide_t cursor_glide_start(cursor_glide_context_t* glide);
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/* Update glide engine on the latest cursor movement, cursor glide is based on the final movement */
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void cursor_glide_update(cursor_glide_context_t* glide, mouse_xy_report_t dx, mouse_xy_report_t dy, uint16_t z);
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#endif
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