project_files/Android-build/SDL-android-project/jni/SDL/src/video/android/SDL_androidtouch.c
author Xeli
Thu, 11 Aug 2011 14:56:31 +0200
branchhedgeroid
changeset 5540 76392a62da2f
child 5550 50650032c251
permissions -rw-r--r--
Android touch events propagate to hwengine now
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/*
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    SDL - Simple DirectMedia Layer
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    Copyright (C) 1997-2011 Sam Lantinga
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    This library is free software; you can redistribute it and/or
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    modify it under the terms of the GNU Lesser General Public
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    License as published by the Free Software Foundation; either
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    version 2.1 of the License, or (at your option) any later version.
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    This library is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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    Lesser General Public License for more details.
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    You should have received a copy of the GNU Lesser General Public
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    License along with this library; if not, write to the Free Software
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    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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    Sam Lantinga
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    slouken@libsdl.org
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*/
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#include "SDL_config.h"
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#include <android/log.h>
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#include "SDL_events.h"
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#include "../../events/SDL_touch_c.h"
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#include "SDL_androidtouch.h"
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#define ACTION_DOWN 0
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#define ACTION_UP 1
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#define ACTION_MOVE 2
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#define ACTION_CANCEL 3
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#define ACTION_OUTSIDE 4
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#define ACTION_POINTER_DOWN 5
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#define ACTION_POINTER_UP 6
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void Android_OnTouch(int action, int pointerId, float x, float y, float p)
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{
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    if (!Android_Window) {
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        return;
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    }
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    //The first event will provide the x, y and pressure max values,
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    if(!SDL_GetTouch(1)){
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        SDL_Touch touch;
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        touch.id = 1;
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        touch.x_min = 0;
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        touch.x_max = x;
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        touch.native_xres = touch.x_max - touch.x_min;
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        touch.y_min = 0;
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        touch.y_max = y;
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        touch.native_yres = touch.y_max - touch.y_min;
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        touch.pressure_min = 0;
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        touch.pressure_max = p;
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        touch.native_pressureres = touch.pressure_max - touch.pressure_min;
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        if(SDL_AddTouch(&touch, "") < 0) return;
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    }
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    switch(action){
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        case ACTION_DOWN:
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        case ACTION_POINTER_DOWN:
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            SDL_SetTouchFocus(pointerId, Android_Window);
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            SDL_SendFingerDown(1, pointerId, SDL_TRUE, x, y, p);
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            break;
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        case ACTION_CANCEL:
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        case ACTION_POINTER_UP:
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        case ACTION_UP:
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            SDL_SendFingerDown(1, pointerId, SDL_FALSE, x, y, p);
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            break;
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        case ACTION_MOVE: 
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            SDL_SendTouchMotion(1, pointerId, 0, x, y, p);
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            break;
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        case ACTION_OUTSIDE:
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            break;
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    }
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}
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