touch screen handler for the microchip AR1020
AreaTouchHandler.h
- Committer:
- hlipka
- Date:
- 2011-02-24
- Revision:
- 4:510ea5b28a05
- Parent:
- 1:264ad2a00fd9
File content as of revision 4:510ea5b28a05:
/* * 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. */ #ifndef __AREATOUCHHANDLER_H__ #define __AREATOUCHHANDLER_H__ #include "mbed.h" #include "FPointer.h" #include "touchpanel.h" #include <list> class area; /** this class registers itself with a touch screen controller, and listens for touch events. If an event matches a prefined region, the callback function is called with the corresponding command code. */ class AreaTouchHandler { public: /** creates the handler, and attaches it to the given touch panel @params pane the touch panel to listen to */ AreaTouchHandler(TouchPanel* panel); /** set the callback method @params item the callback object @params method the callback method */ class T; template<class T> void attach(T* item, uint32_t (T::*method)(uint32_t)) { _callback.attach(item, method); } /** set the callback method @params function the callback function */ void attach(uint32_t (*function)(uint32_t)) { _callback.attach(function); } /** defines the command for a specific region @params top the top of the region (y) @params bottom the bottom of the region (y) @params the left side of the region (x) @params the right side of the region (x) @params the command code for this region */ void addArea(int top, int bottom, int left, int right, int commandCode); private: FPointer _callback; std::list<area*> _areas; uint32_t down(uint32_t arg); uint32_t move(uint32_t arg); uint32_t up(uint32_t arg); int findCommand(); float _x, _y; int _samples; bool _called; }; #endif