bindbc.sdl.bind.sdltouch source code

1 
2 //          Copyright 2018 - 2021 Michael D. Parker
3 // Distributed under the Boost Software License, Version 1.0.
4 //    (See accompanying file LICENSE_1_0.txt or copy at
5 //          http://www.boost.org/LICENSE_1_0.txt)
6 
7 module bindbc.sdl.bind.sdltouch;
8 
9 import bindbc.sdl.config;
10 
11 alias SDL_TouchID = long;
12 alias SDL_FingerID = long;
13 
14 struct SDL_Finger {
15     SDL_FingerID id;
16     float x;
17     float y;
18     float pressure;
19 }
20 
21 enum DL_TOUCH_MOUSEID = cast(uint)-1;
22 
23 static if(sdlSupport >= SDLSupport.sdl2010) {
24     enum SDL_TouchDeviceType {
25         SDL_TOUCH_DEVICE_INVALID = -1,
26         SDL_TOUCH_DEVICE_DIRECT,
27         SDL_TOUCH_DEVICE_INDIRECT_ABSOLUTE,
28         SDL_TOUCH_DEVICE_INDIRECT_RELATIVE,
29     }
30     mixin(expandEnum!SDL_TouchDeviceType);
31 
32     enum SDL_MOUSE_TOUCHID = -1L;
33 }
34 
35 static if(staticBinding) {
36     extern(C) @nogc nothrow {
37         int SDL_GetNumTouchDevices();
38         SDL_TouchID SDL_GetTouchDevice(int index);
39         int SDL_GetNumTouchFingers(SDL_TouchID touchID);
40         SDL_Finger* SDL_GetTouchFinger(SDL_TouchID touchID, int index);
41     }
42     static if(sdlSupport >= SDLSupport.sdl2010) {
43         SDL_TouchDeviceType SDL_GetTouchDeviceType(SDL_TouchID touchID);
44     }
45 }
46 else {
47     extern(C) @nogc nothrow {
48         alias pSDL_GetNumTouchDevices = int function();
49         alias pSDL_GetTouchDevice = SDL_TouchID function(int index);
50         alias pSDL_GetNumTouchFingers = int function(SDL_TouchID touchID);
51         alias pSDL_GetTouchFinger = SDL_Finger* function(SDL_TouchID touchID, int index);
52     }
53     __gshared {
54         pSDL_GetNumTouchDevices SDL_GetNumTouchDevices;
55         pSDL_GetTouchDevice SDL_GetTouchDevice;
56         pSDL_GetNumTouchFingers SDL_GetNumTouchFingers;
57         pSDL_GetTouchFinger SDL_GetTouchFinger;
58     }
59     static if(sdlSupport >= SDLSupport.sdl2010) {
60         extern(C) @nogc nothrow {
61             alias pSDL_GetTouchDeviceType = SDL_TouchDeviceType function(SDL_TouchID touchID);
62         }
63         __gshared {
64             pSDL_GetTouchDeviceType SDL_GetTouchDeviceType;
65         }
66     }
67 }