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