diff options
author | 3gg <3gg@shellblade.net> | 2024-05-04 16:51:29 -0700 |
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committer | 3gg <3gg@shellblade.net> | 2024-05-04 16:51:29 -0700 |
commit | 8222bfe56d4dabe8d92fc4b25ea1b0163b16f3e1 (patch) | |
tree | 763389e42276035ac134d94eb1dc32293b88d807 /src/contrib/SDL-2.30.2/include/SDL_touch.h |
Initial commit.
Diffstat (limited to 'src/contrib/SDL-2.30.2/include/SDL_touch.h')
-rw-r--r-- | src/contrib/SDL-2.30.2/include/SDL_touch.h | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/contrib/SDL-2.30.2/include/SDL_touch.h b/src/contrib/SDL-2.30.2/include/SDL_touch.h new file mode 100644 index 0000000..f6a5db4 --- /dev/null +++ b/src/contrib/SDL-2.30.2/include/SDL_touch.h | |||
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1 | /* | ||
2 | Simple DirectMedia Layer | ||
3 | Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.org> | ||
4 | |||
5 | This software is provided 'as-is', without any express or implied | ||
6 | warranty. In no event will the authors be held liable for any damages | ||
7 | arising from the use of this software. | ||
8 | |||
9 | Permission is granted to anyone to use this software for any purpose, | ||
10 | including commercial applications, and to alter it and redistribute it | ||
11 | freely, subject to the following restrictions: | ||
12 | |||
13 | 1. The origin of this software must not be misrepresented; you must not | ||
14 | claim that you wrote the original software. If you use this software | ||
15 | in a product, an acknowledgment in the product documentation would be | ||
16 | appreciated but is not required. | ||
17 | 2. Altered source versions must be plainly marked as such, and must not be | ||
18 | misrepresented as being the original software. | ||
19 | 3. This notice may not be removed or altered from any source distribution. | ||
20 | */ | ||
21 | |||
22 | /** | ||
23 | * \file SDL_touch.h | ||
24 | * | ||
25 | * Include file for SDL touch event handling. | ||
26 | */ | ||
27 | |||
28 | #ifndef SDL_touch_h_ | ||
29 | #define SDL_touch_h_ | ||
30 | |||
31 | #include "SDL_stdinc.h" | ||
32 | #include "SDL_error.h" | ||
33 | #include "SDL_video.h" | ||
34 | |||
35 | #include "begin_code.h" | ||
36 | /* Set up for C function definitions, even when using C++ */ | ||
37 | #ifdef __cplusplus | ||
38 | extern "C" { | ||
39 | #endif | ||
40 | |||
41 | typedef Sint64 SDL_TouchID; | ||
42 | typedef Sint64 SDL_FingerID; | ||
43 | |||
44 | typedef enum | ||
45 | { | ||
46 | SDL_TOUCH_DEVICE_INVALID = -1, | ||
47 | SDL_TOUCH_DEVICE_DIRECT, /* touch screen with window-relative coordinates */ | ||
48 | SDL_TOUCH_DEVICE_INDIRECT_ABSOLUTE, /* trackpad with absolute device coordinates */ | ||
49 | SDL_TOUCH_DEVICE_INDIRECT_RELATIVE /* trackpad with screen cursor-relative coordinates */ | ||
50 | } SDL_TouchDeviceType; | ||
51 | |||
52 | typedef struct SDL_Finger | ||
53 | { | ||
54 | SDL_FingerID id; | ||
55 | float x; | ||
56 | float y; | ||
57 | float pressure; | ||
58 | } SDL_Finger; | ||
59 | |||
60 | /* Used as the device ID for mouse events simulated with touch input */ | ||
61 | #define SDL_TOUCH_MOUSEID ((Uint32)-1) | ||
62 | |||
63 | /* Used as the SDL_TouchID for touch events simulated with mouse input */ | ||
64 | #define SDL_MOUSE_TOUCHID ((Sint64)-1) | ||
65 | |||
66 | |||
67 | /** | ||
68 | * Get the number of registered touch devices. | ||
69 | * | ||
70 | * On some platforms SDL first sees the touch device if it was actually used. | ||
71 | * Therefore SDL_GetNumTouchDevices() may return 0 although devices are | ||
72 | * available. After using all devices at least once the number will be | ||
73 | * correct. | ||
74 | * | ||
75 | * This was fixed for Android in SDL 2.0.1. | ||
76 | * | ||
77 | * \returns the number of registered touch devices. | ||
78 | * | ||
79 | * \since This function is available since SDL 2.0.0. | ||
80 | * | ||
81 | * \sa SDL_GetTouchDevice | ||
82 | */ | ||
83 | extern DECLSPEC int SDLCALL SDL_GetNumTouchDevices(void); | ||
84 | |||
85 | /** | ||
86 | * Get the touch ID with the given index. | ||
87 | * | ||
88 | * \param index the touch device index | ||
89 | * \returns the touch ID with the given index on success or 0 if the index is | ||
90 | * invalid; call SDL_GetError() for more information. | ||
91 | * | ||
92 | * \since This function is available since SDL 2.0.0. | ||
93 | * | ||
94 | * \sa SDL_GetNumTouchDevices | ||
95 | */ | ||
96 | extern DECLSPEC SDL_TouchID SDLCALL SDL_GetTouchDevice(int index); | ||
97 | |||
98 | /** | ||
99 | * Get the touch device name as reported from the driver or NULL if the index | ||
100 | * is invalid. | ||
101 | * | ||
102 | * \since This function is available since SDL 2.0.22. | ||
103 | */ | ||
104 | extern DECLSPEC const char* SDLCALL SDL_GetTouchName(int index); | ||
105 | |||
106 | /** | ||
107 | * Get the type of the given touch device. | ||
108 | * | ||
109 | * \since This function is available since SDL 2.0.10. | ||
110 | */ | ||
111 | extern DECLSPEC SDL_TouchDeviceType SDLCALL SDL_GetTouchDeviceType(SDL_TouchID touchID); | ||
112 | |||
113 | /** | ||
114 | * Get the number of active fingers for a given touch device. | ||
115 | * | ||
116 | * \param touchID the ID of a touch device | ||
117 | * \returns the number of active fingers for a given touch device on success | ||
118 | * or 0 on failure; call SDL_GetError() for more information. | ||
119 | * | ||
120 | * \since This function is available since SDL 2.0.0. | ||
121 | * | ||
122 | * \sa SDL_GetTouchFinger | ||
123 | */ | ||
124 | extern DECLSPEC int SDLCALL SDL_GetNumTouchFingers(SDL_TouchID touchID); | ||
125 | |||
126 | /** | ||
127 | * Get the finger object for specified touch device ID and finger index. | ||
128 | * | ||
129 | * The returned resource is owned by SDL and should not be deallocated. | ||
130 | * | ||
131 | * \param touchID the ID of the requested touch device | ||
132 | * \param index the index of the requested finger | ||
133 | * \returns a pointer to the SDL_Finger object or NULL if no object at the | ||
134 | * given ID and index could be found. | ||
135 | * | ||
136 | * \since This function is available since SDL 2.0.0. | ||
137 | * | ||
138 | * \sa SDL_RecordGesture | ||
139 | */ | ||
140 | extern DECLSPEC SDL_Finger * SDLCALL SDL_GetTouchFinger(SDL_TouchID touchID, int index); | ||
141 | |||
142 | /* Ends C function definitions when using C++ */ | ||
143 | #ifdef __cplusplus | ||
144 | } | ||
145 | #endif | ||
146 | #include "close_code.h" | ||
147 | |||
148 | #endif /* SDL_touch_h_ */ | ||
149 | |||
150 | /* vi: set ts=4 sw=4 expandtab: */ | ||