touch screen handler for the microchip AR1020
AreaTouchHandler.cpp
- Committer:
- hlipka
- Date:
- 2011-02-22
- Revision:
- 1:264ad2a00fd9
- Child:
- 3:b7eb3b3fe79f
File content as of revision 1:264ad2a00fd9:
/* * mbed AR1020 library * Copyright (c) 2010 Hendrik Lipka * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "AreaTouchHandler.h" #include "touchevent.h" using namespace std; uint32_t AreaTouchHandler::down(uint32_t arg) { TouchEvent *te=(TouchEvent*)arg; _x=te->x; _y=te->y; _samples=1; int c=findCommand(); _called=false; if (0!=c) { _called=true; _callback.call(c); } return 0; } uint32_t AreaTouchHandler::move(uint32_t arg) { if (_called) return 0; TouchEvent *te=(TouchEvent*)arg; printf("%i\n",te->y); _x=(te->x+_x*_samples)/(_samples+1); _y=(te->y+_y*_samples)/(_samples+1); _samples++; int c=findCommand(); if (0!=c) { _called=true; _callback.call(c); } return 0; } uint32_t AreaTouchHandler::up(uint32_t arg) { printf("up\n"); _x=0; _y=0; _samples=0; _called=false; return 0; } int AreaTouchHandler::findCommand() { if (_called) return 0; if (_samples<3) return 0; printf("%f\n",_y); for (list<area*>::iterator it = _areas.begin(); it != _areas.end(); it++) { area* a=*it; if (_x>=a->left && _x<=a->right && _y>=a->top && _y<=a->bottom) return a->command; } printf(".\n"); return 0; }