58 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			58 lines
		
	
	
	
		
			2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* 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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| 
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| #include <stdint.h>
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| #include "report.h"
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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