touch screen handler for the microchip AR1020
AreaTouchHandler.h@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 | #ifndef __AREATOUCHHANDLER_H__ |
hlipka | 4:510ea5b28a05 | 25 | #define __AREATOUCHHANDLER_H__ |
hlipka | 4:510ea5b28a05 | 26 | |
hlipka | 4:510ea5b28a05 | 27 | #include "mbed.h" |
hlipka | 4:510ea5b28a05 | 28 | #include "FPointer.h" |
hlipka | 4:510ea5b28a05 | 29 | #include "touchpanel.h" |
hlipka | 4:510ea5b28a05 | 30 | #include <list> |
hlipka | 4:510ea5b28a05 | 31 | |
hlipka | 4:510ea5b28a05 | 32 | class area; |
hlipka | 4:510ea5b28a05 | 33 | |
hlipka | 4:510ea5b28a05 | 34 | /** |
hlipka | 4:510ea5b28a05 | 35 | this class registers itself with a touch screen controller, and listens for touch events. |
hlipka | 4:510ea5b28a05 | 36 | If an event matches a prefined region, the callback function is called with the corresponding command code. |
hlipka | 4:510ea5b28a05 | 37 | */ |
hlipka | 4:510ea5b28a05 | 38 | class AreaTouchHandler |
hlipka | 4:510ea5b28a05 | 39 | { |
hlipka | 4:510ea5b28a05 | 40 | public: |
hlipka | 4:510ea5b28a05 | 41 | /** |
hlipka | 4:510ea5b28a05 | 42 | creates the handler, and attaches it to the given touch panel |
hlipka | 4:510ea5b28a05 | 43 | @params pane the touch panel to listen to |
hlipka | 4:510ea5b28a05 | 44 | */ |
hlipka | 4:510ea5b28a05 | 45 | AreaTouchHandler(TouchPanel* panel); |
hlipka | 4:510ea5b28a05 | 46 | /** |
hlipka | 4:510ea5b28a05 | 47 | set the callback method |
hlipka | 4:510ea5b28a05 | 48 | @params item the callback object |
hlipka | 4:510ea5b28a05 | 49 | @params method the callback method |
hlipka | 4:510ea5b28a05 | 50 | */ |
hlipka | 4:510ea5b28a05 | 51 | class T; |
hlipka | 4:510ea5b28a05 | 52 | template<class T> |
hlipka | 4:510ea5b28a05 | 53 | void attach(T* item, uint32_t (T::*method)(uint32_t)) { _callback.attach(item, method); } |
hlipka | 4:510ea5b28a05 | 54 | /** |
hlipka | 4:510ea5b28a05 | 55 | set the callback method |
hlipka | 4:510ea5b28a05 | 56 | @params function the callback function |
hlipka | 4:510ea5b28a05 | 57 | */ |
hlipka | 4:510ea5b28a05 | 58 | void attach(uint32_t (*function)(uint32_t)) { _callback.attach(function); } |
hlipka | 4:510ea5b28a05 | 59 | |
hlipka | 4:510ea5b28a05 | 60 | /** |
hlipka | 4:510ea5b28a05 | 61 | defines the command for a specific region |
hlipka | 4:510ea5b28a05 | 62 | @params top the top of the region (y) |
hlipka | 4:510ea5b28a05 | 63 | @params bottom the bottom of the region (y) |
hlipka | 4:510ea5b28a05 | 64 | @params the left side of the region (x) |
hlipka | 4:510ea5b28a05 | 65 | @params the right side of the region (x) |
hlipka | 4:510ea5b28a05 | 66 | @params the command code for this region |
hlipka | 4:510ea5b28a05 | 67 | */ |
hlipka | 4:510ea5b28a05 | 68 | void addArea(int top, int bottom, int left, int right, int commandCode); |
hlipka | 4:510ea5b28a05 | 69 | private: |
hlipka | 4:510ea5b28a05 | 70 | FPointer _callback; |
hlipka | 4:510ea5b28a05 | 71 | std::list<area*> _areas; |
hlipka | 4:510ea5b28a05 | 72 | uint32_t down(uint32_t arg); |
hlipka | 4:510ea5b28a05 | 73 | uint32_t move(uint32_t arg); |
hlipka | 4:510ea5b28a05 | 74 | uint32_t up(uint32_t arg); |
hlipka | 4:510ea5b28a05 | 75 | |
hlipka | 4:510ea5b28a05 | 76 | int findCommand(); |
hlipka | 4:510ea5b28a05 | 77 | |
hlipka | 4:510ea5b28a05 | 78 | float _x, _y; |
hlipka | 4:510ea5b28a05 | 79 | int _samples; |
hlipka | 4:510ea5b28a05 | 80 | bool _called; |
hlipka | 4:510ea5b28a05 | 81 | }; |
hlipka | 4:510ea5b28a05 | 82 | |
hlipka | 4:510ea5b28a05 | 83 | |
hlipka | 4:510ea5b28a05 | 84 | #endif |