touch screen handler for the microchip AR1020
AreaTouchHandler.cpp@6:a6971458d612, 2011-02-24 (annotated)
- Committer:
- hlipka
- Date:
- Thu Feb 24 22:05:04 2011 +0000
- Revision:
- 6:a6971458d612
- Parent:
- 4:510ea5b28a05
calibration works now
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
hlipka | 4:510ea5b28a05 | 1 | /* |
hlipka | 4:510ea5b28a05 | 2 | * mbed AR1020 library |
hlipka | 4:510ea5b28a05 | 3 | * Copyright (c) 2010 Hendrik Lipka |
hlipka | 4:510ea5b28a05 | 4 | * |
hlipka | 4:510ea5b28a05 | 5 | * Permission is hereby granted, free of charge, to any person obtaining a copy |
hlipka | 4:510ea5b28a05 | 6 | * of this software and associated documentation files (the "Software"), to deal |
hlipka | 4:510ea5b28a05 | 7 | * in the Software without restriction, including without limitation the rights |
hlipka | 4:510ea5b28a05 | 8 | * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
hlipka | 4:510ea5b28a05 | 9 | * copies of the Software, and to permit persons to whom the Software is |
hlipka | 4:510ea5b28a05 | 10 | * furnished to do so, subject to the following conditions: |
hlipka | 4:510ea5b28a05 | 11 | * |
hlipka | 4:510ea5b28a05 | 12 | * The above copyright notice and this permission notice shall be included in |
hlipka | 4:510ea5b28a05 | 13 | * all copies or substantial portions of the Software. |
hlipka | 4:510ea5b28a05 | 14 | * |
hlipka | 4:510ea5b28a05 | 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
hlipka | 4:510ea5b28a05 | 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
hlipka | 4:510ea5b28a05 | 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
hlipka | 4:510ea5b28a05 | 18 | * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
hlipka | 4:510ea5b28a05 | 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
hlipka | 4:510ea5b28a05 | 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
hlipka | 4:510ea5b28a05 | 21 | * THE SOFTWARE. |
hlipka | 4:510ea5b28a05 | 22 | */ |
hlipka | 4:510ea5b28a05 | 23 | |
hlipka | 4:510ea5b28a05 | 24 | #include "AreaTouchHandler.h" |
hlipka | 4:510ea5b28a05 | 25 | #include "touchevent.h" |
hlipka | 4:510ea5b28a05 | 26 | |
hlipka | 4:510ea5b28a05 | 27 | using namespace std; |
hlipka | 4:510ea5b28a05 | 28 | |
hlipka | 4:510ea5b28a05 | 29 | class area |
hlipka | 4:510ea5b28a05 | 30 | { |
hlipka | 4:510ea5b28a05 | 31 | public: |
hlipka | 4:510ea5b28a05 | 32 | int top,bottom,left,right,command; |
hlipka | 4:510ea5b28a05 | 33 | area(int top, int bottom, int left, int right, int command) |
hlipka | 4:510ea5b28a05 | 34 | { |
hlipka | 4:510ea5b28a05 | 35 | this->top=top; |
hlipka | 4:510ea5b28a05 | 36 | this->bottom=bottom; |
hlipka | 4:510ea5b28a05 | 37 | this->left=left; |
hlipka | 4:510ea5b28a05 | 38 | this->right=right; |
hlipka | 4:510ea5b28a05 | 39 | this->command=command; |
hlipka | 4:510ea5b28a05 | 40 | } |
hlipka | 4:510ea5b28a05 | 41 | }; |
hlipka | 4:510ea5b28a05 | 42 | |
hlipka | 4:510ea5b28a05 | 43 | AreaTouchHandler::AreaTouchHandler(TouchPanel* panel) |
hlipka | 4:510ea5b28a05 | 44 | { |
hlipka | 4:510ea5b28a05 | 45 | panel->attachPenDown(this,&AreaTouchHandler::down); |
hlipka | 4:510ea5b28a05 | 46 | panel->attachPenMove(this,&AreaTouchHandler::move); |
hlipka | 4:510ea5b28a05 | 47 | panel->attachPenUp(this,&AreaTouchHandler::up); |
hlipka | 4:510ea5b28a05 | 48 | } |
hlipka | 4:510ea5b28a05 | 49 | |
hlipka | 4:510ea5b28a05 | 50 | void AreaTouchHandler::addArea(int top, int bottom, int left, int right, int commandCode) |
hlipka | 4:510ea5b28a05 | 51 | { |
hlipka | 4:510ea5b28a05 | 52 | _areas.push_back(new area(top,bottom,left,right,commandCode)); |
hlipka | 4:510ea5b28a05 | 53 | } |
hlipka | 4:510ea5b28a05 | 54 | |
hlipka | 4:510ea5b28a05 | 55 | uint32_t AreaTouchHandler::down(uint32_t arg) |
hlipka | 4:510ea5b28a05 | 56 | { |
hlipka | 4:510ea5b28a05 | 57 | TouchEvent *te=(TouchEvent*)arg; |
hlipka | 4:510ea5b28a05 | 58 | // printf("d %i/%i\n",te->x,te->y); |
hlipka | 4:510ea5b28a05 | 59 | _x=te->x; |
hlipka | 4:510ea5b28a05 | 60 | _y=te->y; |
hlipka | 4:510ea5b28a05 | 61 | _samples=1; |
hlipka | 4:510ea5b28a05 | 62 | int c=findCommand(); |
hlipka | 4:510ea5b28a05 | 63 | _called=false; |
hlipka | 4:510ea5b28a05 | 64 | if (0!=c) |
hlipka | 4:510ea5b28a05 | 65 | { |
hlipka | 4:510ea5b28a05 | 66 | _called=true; |
hlipka | 4:510ea5b28a05 | 67 | _callback.call(c); |
hlipka | 4:510ea5b28a05 | 68 | } |
hlipka | 4:510ea5b28a05 | 69 | return 0; |
hlipka | 4:510ea5b28a05 | 70 | } |
hlipka | 4:510ea5b28a05 | 71 | uint32_t AreaTouchHandler::move(uint32_t arg) |
hlipka | 4:510ea5b28a05 | 72 | { |
hlipka | 4:510ea5b28a05 | 73 | if (_called) |
hlipka | 4:510ea5b28a05 | 74 | return 0; |
hlipka | 4:510ea5b28a05 | 75 | TouchEvent *te=(TouchEvent*)arg; |
hlipka | 4:510ea5b28a05 | 76 | // printf("m %i/%i\n",te->x,te->y); |
hlipka | 4:510ea5b28a05 | 77 | _x=(te->x+_x*_samples)/(_samples+1); |
hlipka | 4:510ea5b28a05 | 78 | _y=(te->y+_y*_samples)/(_samples+1); |
hlipka | 4:510ea5b28a05 | 79 | _samples++; |
hlipka | 4:510ea5b28a05 | 80 | int c=findCommand(); |
hlipka | 4:510ea5b28a05 | 81 | if (0!=c) |
hlipka | 4:510ea5b28a05 | 82 | { |
hlipka | 4:510ea5b28a05 | 83 | _called=true; |
hlipka | 4:510ea5b28a05 | 84 | _callback.call(c); |
hlipka | 4:510ea5b28a05 | 85 | } |
hlipka | 4:510ea5b28a05 | 86 | return 0; |
hlipka | 4:510ea5b28a05 | 87 | } |
hlipka | 4:510ea5b28a05 | 88 | uint32_t AreaTouchHandler::up(uint32_t arg) |
hlipka | 4:510ea5b28a05 | 89 | { |
hlipka | 4:510ea5b28a05 | 90 | _x=0; |
hlipka | 4:510ea5b28a05 | 91 | _y=0; |
hlipka | 4:510ea5b28a05 | 92 | _samples=0; |
hlipka | 4:510ea5b28a05 | 93 | _called=false; |
hlipka | 4:510ea5b28a05 | 94 | return 0; |
hlipka | 4:510ea5b28a05 | 95 | } |
hlipka | 4:510ea5b28a05 | 96 | |
hlipka | 4:510ea5b28a05 | 97 | int AreaTouchHandler::findCommand() |
hlipka | 4:510ea5b28a05 | 98 | { |
hlipka | 4:510ea5b28a05 | 99 | if (_called) |
hlipka | 4:510ea5b28a05 | 100 | return 0; |
hlipka | 4:510ea5b28a05 | 101 | if (_samples<5) |
hlipka | 4:510ea5b28a05 | 102 | return 0; |
hlipka | 4:510ea5b28a05 | 103 | for (list<area*>::iterator it = _areas.begin(); it != _areas.end(); it++) { |
hlipka | 4:510ea5b28a05 | 104 | area* a=*it; |
hlipka | 4:510ea5b28a05 | 105 | if (_x>=a->left && _x<=a->right && _y>=a->top && _y<=a->bottom) |
hlipka | 4:510ea5b28a05 | 106 | return a->command; |
hlipka | 4:510ea5b28a05 | 107 | } |
hlipka | 4:510ea5b28a05 | 108 | return 0; |
hlipka | 4:510ea5b28a05 | 109 | } |