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 bool Touchscreen::is_available()
   8 {
   9         return true;
  10 }
  11
  12 void Touchscreen::input_event(const Graphics::Window::Event &event)
  13 {
  14         int action = AMotionEvent_getAction(event.aevent);
  15         int action_pointer = (action&AMOTION_EVENT_ACTION_POINTER_INDEX_MASK)>>AMOTION_EVENT_ACTION_POINTER_INDEX_SHIFT;
  16         action &= AMOTION_EVENT_ACTION_MASK;
  17
  18         int pointer_count = AMotionEvent_getPointerCount(event.aevent);
  19         for(int i=0; i<pointer_count; ++i)
  20         {
  21                 int pointer = AMotionEvent_getPointerId(event.aevent, i);
  22                 float x = AMotionEvent_getX(event.aevent, i);
  23                 float y = AMotionEvent_getY(event.aevent, i);
  24                 touch_move(pointer, x*2/window.get_width()-1, 1-y*2/window.get_height());
  25         }
  26
  27         switch(action)
  28         {
  29         case AMOTION_EVENT_ACTION_DOWN:
  30         case AMOTION_EVENT_ACTION_POINTER_DOWN:
  31                 touch_down(AMotionEvent_getPointerId(event.aevent, action_pointer));
  32                 break;
  33         case AMOTION_EVENT_ACTION_UP:
  34         case AMOTION_EVENT_ACTION_POINTER_UP:
  35                 touch_up(AMotionEvent_getPointerId(event.aevent, action_pointer));
  36                 break;
  37         default:;
  38         }
  39 }
  40
  41 } // namespace Input
  42 } // namespace Msp