106 lines
2.7 KiB
C++
106 lines
2.7 KiB
C++
/*
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Copyright (c) 2014-2015 NicoHood
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See the readme for credit to other people.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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// Include guard
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#pragma once
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void AbsoluteMouseAPI::buttons(uint8_t b){
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if (b != _buttons){
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_buttons = b;
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moveTo(xAxis, yAxis, 0);
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}
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}
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int16_t AbsoluteMouseAPI::qadd16(int16_t base, int16_t increment) {
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// Separate between subtracting and adding
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if (increment < 0) {
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// Subtracting more would cause an undefined overflow
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if ((int16_t)0x8000 - increment > base)
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base = 0x8000;
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else
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base += increment;
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}
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else {
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// Adding more would cause an undefined overflow
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if ((int16_t)0x7FFF - increment < base)
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base = 0x7FFF;
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else
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base += increment;
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}
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return base;
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}
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AbsoluteMouseAPI::AbsoluteMouseAPI(void):
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xAxis(0), yAxis(0), _buttons(0)
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{
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// Empty
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}
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void AbsoluteMouseAPI::begin(void){
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// release all buttons
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end();
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}
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void AbsoluteMouseAPI::end(void){
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_buttons = 0;
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moveTo(xAxis, yAxis, 0);
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}
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void AbsoluteMouseAPI::click(uint8_t b){
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_buttons = b;
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moveTo(xAxis, yAxis, 0);
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_buttons = 0;
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moveTo(xAxis, yAxis, 0);
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}
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void AbsoluteMouseAPI::moveTo(int x, int y, signed char wheel){
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xAxis = x;
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yAxis = y;
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HID_MouseAbsoluteReport_Data_t report;
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report.buttons = _buttons;
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report.xAxis = x;
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report.yAxis = y;
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report.wheel = wheel;
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SendReport(&report, sizeof(report));
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}
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void AbsoluteMouseAPI::move(int x, int y, signed char wheel){
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moveTo(qadd16(xAxis, x), qadd16(yAxis, y), wheel);
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}
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void AbsoluteMouseAPI::press(uint8_t b){
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// press LEFT by default
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buttons(_buttons | b);
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}
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void AbsoluteMouseAPI::release(uint8_t b){
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// release LEFT by default
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buttons(_buttons & ~b);
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}
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bool AbsoluteMouseAPI::isPressed(uint8_t b){
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// check LEFT by default
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if ((b & _buttons) > 0)
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return true;
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return false;
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}
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