SDL_androidtouch.c
1
2
/*
Simple DirectMedia Layer
3
Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
#include "../../SDL_internal.h"
#if SDL_VIDEO_DRIVER_ANDROID
#include <android/log.h>
#include "SDL_hints.h"
#include "SDL_events.h"
#include "SDL_log.h"
#include "SDL_androidtouch.h"
#include "../../events/SDL_mouse_c.h"
#include "../../events/SDL_touch_c.h"
#include "../../core/android/SDL_android.h"
#define ACTION_DOWN 0
#define ACTION_UP 1
#define ACTION_MOVE 2
#define ACTION_CANCEL 3
#define ACTION_OUTSIDE 4
#define ACTION_POINTER_DOWN 5
#define ACTION_POINTER_UP 6
43
static void SDLCALL
44
45
46
SeparateEventsHintWatcher(void *userdata, const char *name,
const char *oldValue, const char *newValue)
{
47
SDL_bool separate_mouse_and_touch = (newValue && (SDL_strcmp(newValue, "1") == 0));
48
49
Android_JNI_SetSeparateMouseAndTouch(separate_mouse_and_touch);
50
51
52
53
54
55
56
}
void Android_InitTouch(void)
{
SDL_AddHintCallback(SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH,
SeparateEventsHintWatcher, NULL);
57
58
/* Add all touch devices */
Android_JNI_InitTouch();
59
60
61
62
63
64
65
66
}
void Android_QuitTouch(void)
{
SDL_DelHintCallback(SDL_HINT_ANDROID_SEPARATE_MOUSE_AND_TOUCH,
SeparateEventsHintWatcher, NULL);
}
67
void Android_OnTouch(SDL_Window *window, int touch_device_id_in, int pointer_finger_id_in, int action, float x, float y, float p)
68
69
70
71
72
{
SDL_TouchID touchDeviceId = 0;
SDL_FingerID fingerId = 0;
int window_x, window_y;
74
75
76
77
return;
}
touchDeviceId = (SDL_TouchID)touch_device_id_in;
78
if (SDL_AddTouch(touchDeviceId, SDL_TOUCH_DEVICE_DIRECT, "") < 0) {
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
SDL_Log("error: can't add touch %s, %d", __FILE__, __LINE__);
}
fingerId = (SDL_FingerID)pointer_finger_id_in;
switch (action) {
case ACTION_DOWN:
case ACTION_POINTER_DOWN:
SDL_SendTouch(touchDeviceId, fingerId, SDL_TRUE, x, y, p);
break;
case ACTION_MOVE:
SDL_SendTouchMotion(touchDeviceId, fingerId, x, y, p);
break;
case ACTION_UP:
case ACTION_POINTER_UP:
SDL_SendTouch(touchDeviceId, fingerId, SDL_FALSE, x, y, p);
break;
default:
break;
}
}
#endif /* SDL_VIDEO_DRIVER_ANDROID */
/* vi: set ts=4 sw=4 expandtab: */