touch screen handler for the microchip AR1020
AreaTouchHandler.cpp@1:264ad2a00fd9, 2011-02-22 (annotated)
- Committer:
- hlipka
- Date:
- Tue Feb 22 21:43:39 2011 +0000
- Revision:
- 1:264ad2a00fd9
- Child:
- 3:b7eb3b3fe79f
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hlipka | 1:264ad2a00fd9 | 1 | /* |
hlipka | 1:264ad2a00fd9 | 2 | * mbed AR1020 library |
hlipka | 1:264ad2a00fd9 | 3 | * Copyright (c) 2010 Hendrik Lipka |
hlipka | 1:264ad2a00fd9 | 4 | * |
hlipka | 1:264ad2a00fd9 | 5 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
hlipka | 1:264ad2a00fd9 | 6 | * of this software and associated documentation files (the "Software"), to deal |
hlipka | 1:264ad2a00fd9 | 7 | * in the Software without restriction, including without limitation the rights |
hlipka | 1:264ad2a00fd9 | 8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
hlipka | 1:264ad2a00fd9 | 9 | * copies of the Software, and to permit persons to whom the Software is |
hlipka | 1:264ad2a00fd9 | 10 | * furnished to do so, subject to the following conditions: |
hlipka | 1:264ad2a00fd9 | 11 | * |
hlipka | 1:264ad2a00fd9 | 12 | * The above copyright notice and this permission notice shall be included in |
hlipka | 1:264ad2a00fd9 | 13 | * all copies or substantial portions of the Software. |
hlipka | 1:264ad2a00fd9 | 14 | * |
hlipka | 1:264ad2a00fd9 | 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
hlipka | 1:264ad2a00fd9 | 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
hlipka | 1:264ad2a00fd9 | 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
hlipka | 1:264ad2a00fd9 | 18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
hlipka | 1:264ad2a00fd9 | 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
hlipka | 1:264ad2a00fd9 | 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
hlipka | 1:264ad2a00fd9 | 21 | * THE SOFTWARE. |
hlipka | 1:264ad2a00fd9 | 22 | */ |
hlipka | 1:264ad2a00fd9 | 23 | |
hlipka | 1:264ad2a00fd9 | 24 | #include "AreaTouchHandler.h" |
hlipka | 1:264ad2a00fd9 | 25 | #include "touchevent.h" |
hlipka | 1:264ad2a00fd9 | 26 | |
hlipka | 1:264ad2a00fd9 | 27 | using namespace std; |
hlipka | 1:264ad2a00fd9 | 28 | |
hlipka | 1:264ad2a00fd9 | 29 | uint32_t AreaTouchHandler::down(uint32_t arg) |
hlipka | 1:264ad2a00fd9 | 30 | { |
hlipka | 1:264ad2a00fd9 | 31 | TouchEvent *te=(TouchEvent*)arg; |
hlipka | 1:264ad2a00fd9 | 32 | _x=te->x; |
hlipka | 1:264ad2a00fd9 | 33 | _y=te->y; |
hlipka | 1:264ad2a00fd9 | 34 | _samples=1; |
hlipka | 1:264ad2a00fd9 | 35 | int c=findCommand(); |
hlipka | 1:264ad2a00fd9 | 36 | _called=false; |
hlipka | 1:264ad2a00fd9 | 37 | if (0!=c) |
hlipka | 1:264ad2a00fd9 | 38 | { |
hlipka | 1:264ad2a00fd9 | 39 | _called=true; |
hlipka | 1:264ad2a00fd9 | 40 | _callback.call(c); |
hlipka | 1:264ad2a00fd9 | 41 | } |
hlipka | 1:264ad2a00fd9 | 42 | return 0; |
hlipka | 1:264ad2a00fd9 | 43 | } |
hlipka | 1:264ad2a00fd9 | 44 | uint32_t AreaTouchHandler::move(uint32_t arg) |
hlipka | 1:264ad2a00fd9 | 45 | { |
hlipka | 1:264ad2a00fd9 | 46 | if (_called) |
hlipka | 1:264ad2a00fd9 | 47 | return 0; |
hlipka | 1:264ad2a00fd9 | 48 | TouchEvent *te=(TouchEvent*)arg; |
hlipka | 1:264ad2a00fd9 | 49 | printf("%i\n",te->y); |
hlipka | 1:264ad2a00fd9 | 50 | _x=(te->x+_x*_samples)/(_samples+1); |
hlipka | 1:264ad2a00fd9 | 51 | _y=(te->y+_y*_samples)/(_samples+1); |
hlipka | 1:264ad2a00fd9 | 52 | _samples++; |
hlipka | 1:264ad2a00fd9 | 53 | int c=findCommand(); |
hlipka | 1:264ad2a00fd9 | 54 | if (0!=c) |
hlipka | 1:264ad2a00fd9 | 55 | { |
hlipka | 1:264ad2a00fd9 | 56 | _called=true; |
hlipka | 1:264ad2a00fd9 | 57 | _callback.call(c); |
hlipka | 1:264ad2a00fd9 | 58 | } |
hlipka | 1:264ad2a00fd9 | 59 | return 0; |
hlipka | 1:264ad2a00fd9 | 60 | } |
hlipka | 1:264ad2a00fd9 | 61 | uint32_t AreaTouchHandler::up(uint32_t arg) |
hlipka | 1:264ad2a00fd9 | 62 | { |
hlipka | 1:264ad2a00fd9 | 63 | printf("up\n"); |
hlipka | 1:264ad2a00fd9 | 64 | _x=0; |
hlipka | 1:264ad2a00fd9 | 65 | _y=0; |
hlipka | 1:264ad2a00fd9 | 66 | _samples=0; |
hlipka | 1:264ad2a00fd9 | 67 | _called=false; |
hlipka | 1:264ad2a00fd9 | 68 | return 0; |
hlipka | 1:264ad2a00fd9 | 69 | } |
hlipka | 1:264ad2a00fd9 | 70 | |
hlipka | 1:264ad2a00fd9 | 71 | int AreaTouchHandler::findCommand() |
hlipka | 1:264ad2a00fd9 | 72 | { |
hlipka | 1:264ad2a00fd9 | 73 | if (_called) |
hlipka | 1:264ad2a00fd9 | 74 | return 0; |
hlipka | 1:264ad2a00fd9 | 75 | if (_samples<3) |
hlipka | 1:264ad2a00fd9 | 76 | return 0; |
hlipka | 1:264ad2a00fd9 | 77 | printf("%f\n",_y); |
hlipka | 1:264ad2a00fd9 | 78 | for (list<area*>::iterator it = _areas.begin(); it != _areas.end(); it++) { |
hlipka | 1:264ad2a00fd9 | 79 | area* a=*it; |
hlipka | 1:264ad2a00fd9 | 80 | if (_x>=a->left && _x<=a->right && _y>=a->top && _y<=a->bottom) |
hlipka | 1:264ad2a00fd9 | 81 | return a->command; |
hlipka | 1:264ad2a00fd9 | 82 | } |
hlipka | 1:264ad2a00fd9 | 83 | printf(".\n"); |
hlipka | 1:264ad2a00fd9 | 84 | return 0; |
hlipka | 1:264ad2a00fd9 | 85 | } |