blob: 45eb8cfe5462c021fc3586d98b78c612d2520edc (
plain)
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
|
/**
* @file mouse.c
*
*/
/*********************
* INCLUDES
*********************/
#include "display_indev.h"
#include "SDL2/SDL.h"
#if USE_MOUSE != 0
/*********************
* DEFINES
*********************/
#ifndef MONITOR_ZOOM
#define MONITOR_ZOOM 1
#endif
/**********************
* TYPEDEFS
**********************/
/**********************
* STATIC PROTOTYPES
**********************/
/**********************
* STATIC VARIABLES
**********************/
static bool left_button_down = false;
static int16_t last_x = 0;
static int16_t last_y = 0;
/**********************
* MACROS
**********************/
/**********************
* GLOBAL FUNCTIONS
**********************/
/**
* Initialize the mouse
*/
void
mouse_init(void)
{}
/**
* Get the current position and state of the mouse
* @param data store the mouse data here
* @return false: because the points are not buffered, so no more data to be
* read
*/
bool
mouse_read(lv_indev_data_t *data)
{
/*Store the collected data*/
data->point.x = last_x;
data->point.y = last_y;
data->state = left_button_down ? LV_INDEV_STATE_PR : LV_INDEV_STATE_REL;
return false;
}
/**
* It will be called from the main SDL thread
*/
void
mouse_handler(SDL_Event *event)
{
switch (event->type) {
case SDL_MOUSEBUTTONUP:
if (event->button.button == SDL_BUTTON_LEFT)
left_button_down = false;
break;
case SDL_MOUSEBUTTONDOWN:
if (event->button.button == SDL_BUTTON_LEFT) {
left_button_down = true;
last_x = event->motion.x / MONITOR_ZOOM;
last_y = event->motion.y / MONITOR_ZOOM;
}
break;
case SDL_MOUSEMOTION:
last_x = event->motion.x / MONITOR_ZOOM;
last_y = event->motion.y / MONITOR_ZOOM;
break;
}
}
/**********************
* STATIC FUNCTIONS
**********************/
#endif
|
