source/input/android/touchscreen.cpp

   1 #include <msp/graphics/window_private.h>
   2 #include "touchscreen.h"
   3
   4 namespace Msp {
   5 namespace Input {
   6
   7 void Touchscreen::input_event(const Graphics::Window::Event &event)
   8 {
   9         int action = AMotionEvent_getAction(event.aevent);
  10         int action_pointer = (action&AMOTION_EVENT_ACTION_POINTER_INDEX_MASK)>>AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
  11         action &= AMOTION_EVENT_ACTION_MASK;
  12
  13         int pointer_count = AMotionEvent_getPointerCount(event.aevent);
  14         for(int i=0; i<pointer_count; ++i)
  15         {
  16                 int pointer = AMotionEvent_getPointerId(event.aevent, i);
  17                 float x = AMotionEvent_getX(event.aevent, i);
  18                 float y = AMotionEvent_getY(event.aevent, i);
  19                 touch_move(pointer, x*2/window.get_width()-1, 1-y*2/window.get_height());
  20         }
  21
  22         switch(action)
  23         {
  24         case AMOTION_EVENT_ACTION_DOWN:
  25         case AMOTION_EVENT_ACTION_POINTER_DOWN:
  26                 touch_down(AMotionEvent_getPointerId(event.aevent, action_pointer));
  27                 break;
  28         case AMOTION_EVENT_ACTION_UP:
  29         case AMOTION_EVENT_ACTION_POINTER_UP:
  30                 touch_up(AMotionEvent_getPointerId(event.aevent, action_pointer));
  31                 break;
  32         default:;
  33         }
  34 }
  35
  36 } // namespace Input
  37 } // namespace Msp