149 lines
		
	
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			149 lines
		
	
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Copyright 2020 Alexander Tulloh
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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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#include "oddball.h"
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#include "pointing_device.h"
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extern const pointing_device_driver_t pointing_device_driver;
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static bool scroll_pressed;
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static bool mouse_buttons_dirty;
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static int8_t scroll_h;
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static int8_t scroll_v;
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void pointing_device_init_kb(void){
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    if(!is_keyboard_master())
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        return;
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    // read config from EEPROM and update if needed
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    config_oddball_t kb_config;
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    kb_config.raw = eeconfig_read_kb();
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    if(!kb_config.cpi) {
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        kb_config.cpi = CPI_2;
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        eeconfig_update_kb(kb_config.raw);
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    }
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    pointing_device_set_cpi(kb_config.cpi);
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}
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report_mouse_t pointing_device_task_kb(report_mouse_t mouse_report) {
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    if (!is_keyboard_master()) return mouse_report;
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    int8_t clamped_x = mouse_report.x, clamped_y = mouse_report.y;
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    mouse_report.x = 0;
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    mouse_report.y = 0;
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    if (scroll_pressed) {
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        // accumulate scroll
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        scroll_h += clamped_x;
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        scroll_v += clamped_y;
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        int8_t scaled_scroll_h = scroll_h / SCROLL_DIVIDER;
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        int8_t scaled_scroll_v = scroll_v / SCROLL_DIVIDER;
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        // clear accumulated scroll on assignment
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        if (scaled_scroll_h != 0) {
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            mouse_report.h = -scaled_scroll_h;
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            scroll_h       = 0;
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        }
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        if (scaled_scroll_v != 0) {
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            mouse_report.v = -scaled_scroll_v;
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            scroll_v       = 0;
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        }
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    } else {
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        mouse_report.x = -clamped_x;
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        mouse_report.y = clamped_y;
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    }
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    return mouse_report;
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}
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static void on_cpi_button(uint16_t cpi, keyrecord_t *record) {
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    if(!record->event.pressed)
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        return;
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    pointing_device_set_cpi(cpi);
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    config_oddball_t kb_config;
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    kb_config.cpi = cpi;
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    eeconfig_update_kb(kb_config.raw);
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}
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static void on_mouse_button(uint8_t mouse_button, keyrecord_t *record) {
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    report_mouse_t report = pointing_device_get_report();
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    if(record->event.pressed)
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        report.buttons |= mouse_button;
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    else
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        report.buttons &= ~mouse_button;
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    pointing_device_set_report(report);
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    mouse_buttons_dirty = true;
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}
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bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
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    if(!process_record_user(keycode, record))
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        return false;
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    // handle mouse drag and scroll
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    switch (keycode) {
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        case KC_BTN1:
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            on_mouse_button(MOUSE_BTN1, record);
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            return false;
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        case KC_BTN2:
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            on_mouse_button(MOUSE_BTN2, record);
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            return false;
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        case KC_BTN3:
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            on_mouse_button(MOUSE_BTN3, record);
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            return false;
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        case KC_BTN4:
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            on_mouse_button(MOUSE_BTN4, record);
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            return false;
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        case KC_BTN5:
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            on_mouse_button(MOUSE_BTN5, record);
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            return false;
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        case KC_SCROLL:
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            scroll_pressed = record->event.pressed;
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            return false;
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        case KC_CPI_1:
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            on_cpi_button(CPI_1, record);
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            return false;
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        case KC_CPI_2:
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            on_cpi_button(CPI_2, record);
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            return false;
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        case KC_CPI_3:
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            on_cpi_button(CPI_3, record);
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            return false;
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        default:
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            return true;
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    }
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}
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