lib/gamnit/input_ios.nit

   1 # This file is part of NIT ( http://www.nitlanguage.org ).
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #     http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14
  15 # Gamnit event support for iOS
  16 module input_ios
  17
  18 intrude import ios::glkit
  19 import display_ios
  20 import gamnit_ios
  21
  22 # Pointer/touch event on iOS
  23 class GamnitIOSPointerEvent
  24         super PointerEvent
  25
  26         private var native: UIEvent
  27
  28         private var native_touch: UITouch
  29
  30         private var content_scale_factor: Float
  31
  32         redef fun x do return native_touch.x * content_scale_factor
  33
  34         redef fun y do return native_touch.y * content_scale_factor
  35
  36         redef var pressed
  37
  38         redef var is_move
  39
  40         redef var pointer_id = native_touch.to_i is lazy
  41 end
  42
  43 redef class NitGLKView
  44
  45         redef var content_scale_factor = super is lazy
  46
  47         redef fun touches_began(touches, event)
  48         do app.accept_event(new GamnitIOSPointerEvent(event, touches.any_object, content_scale_factor, true, false))
  49
  50         redef fun touches_moved(touches, event)
  51         do app.accept_event(new GamnitIOSPointerEvent(event, touches.any_object, content_scale_factor, true, true))
  52
  53         redef fun touches_ended(touches, event)
  54         do app.accept_event(new GamnitIOSPointerEvent(event, touches.any_object, content_scale_factor, false, false))
  55
  56         # TODO handle cancel
  57         #redef fun touches_cancelled(touches_event) do
  58         #do app.accept_event(new GamnitIOSPointerEvent(event, false, false))
  59 end