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touchcontrols.h

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00001 /* ResidualVM - A 3D game interpreter
00002  *
00003  * ResidualVM is the legal property of its developers, whose names
00004  * are too numerous to list here. Please refer to the COPYRIGHT
00005  * file distributed with this source distribution.
00006  *
00007  * This program is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU General Public License
00009  * as published by the Free Software Foundation; either version 2
00010  * of the License, or (at your option) any later version.
00011  *
00012  * This program is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00015  * GNU General Public License for more details.
00016  *
00017  * You should have received a copy of the GNU General Public License
00018  * along with this program; if not, write to the Free Software
00019  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #ifndef ANDROID_TOUCHCONTROLS_H_
00024 #define ANDROID_TOUCHCONTROLS_H_
00025 
00026 #if defined(__ANDROID__)
00027 
00028 #include "common/events.h"
00029 
00030 #include "backends/platform/android/events.h"
00031 #include "backends/platform/android/texture.h"
00032 
00033 class TouchControls {
00034 public:
00035     TouchControls();
00036     ~TouchControls();
00037 
00038     void init(KeyReceiver *kr, int width, int height);
00039     void draw();
00040     void update(int ptr, int action, int x, int y);
00041 
00042 private:
00043     int _screen_width, _screen_height;
00044     KeyReceiver *_key_receiver;
00045 
00046     enum TouchArea{
00047         kTouchAreaJoystick = 0xffff,
00048         kTouchAreaCenter = 0xfffe,
00049         kTouchAreaRight = 0xfffd,
00050         kTouchAreaNone = 0xfffc,
00051     };
00052 
00053     uint16 getTouchArea(int x, int y);
00054 
00055     struct Pointer {
00056         uint16 startX, startY;
00057         uint16 currentX, currentY;
00058         TouchArea function;
00059         bool active;
00060     };
00061 
00062     enum { kNumPointers = 5 };
00063     Pointer _pointers[kNumPointers];
00064     int _activePointers[4];
00065     Common::KeyCode _joystickPressing, _centerPressing, _rightPressing;
00066     int &pointerFor(TouchArea ta);
00067     GLESTexture *_arrows_texture;
00068 
00069 };
00070 
00071 #endif
00072 
00073 #endif


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