1
2
3
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
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
|
/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (c) 2010 Thomas Martitz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <jni.h>
#include <stdbool.h>
#include "button.h"
#include "buttonmap.h"
#include "config.h"
#include "kernel.h"
#include "system.h"
#include "touchscreen.h"
extern JNIEnv *env_ptr;
static int last_y, last_x;
static int last_btns;
static enum {
STATE_UNKNOWN,
STATE_UP,
STATE_DOWN,
} last_touch_state = STATE_UNKNOWN;
/*
* this notifies us in an interrupt-like fashion whether the user just
* began or stopped the touch action + where (pixel coordinates) */
JNIEXPORT void JNICALL
Java_org_rockbox_RockboxFramebuffer_touchHandler(JNIEnv*env, jobject this,
jboolean down, jint x, jint y)
{
(void)env;
(void)this;
if (down)
last_touch_state = STATE_DOWN;
else
last_touch_state = STATE_UP;
last_x = x;
last_y = y;
}
/*
* this writes in an interrupt-like fashion the button events that the user
* generated by pressing/releasing them to a variable */
JNIEXPORT bool JNICALL
Java_org_rockbox_RockboxFramebuffer_buttonHandler(JNIEnv*env, jclass class,
jint keycode, jboolean state)
{
(void)env;
(void)class;
unsigned button = 0;
if (!state)
{
button = multimedia_to_button((int)keycode);
if (!button)
button = dpad_to_button((int)keycode);
if (button)
{
queue_post(&button_queue, button, 0);
return true;
}
}
if (!button)
{
button = key_to_button(keycode);
}
if (button == BUTTON_NONE)
{
last_btns = button;
return false;
}
if (state)
{
last_btns |= button;
}
else
{
last_btns &= (~button);
return false;
}
return true;
}
void button_init_device(void)
{
}
int button_read_device(int *data)
{
int btn = last_btns;
/* Get grid button/coordinates based on the current touchscreen mode
*
* Caveat: the caller seemingly depends on *data always being filled with
* the last known touchscreen position, so always call
* touchscreen_to_pixels() */
int touch = touchscreen_to_pixels(last_x, last_y, data);
if (last_touch_state == STATE_DOWN)
btn |= touch;
return btn;
}
|
