-
Notifications
You must be signed in to change notification settings - Fork 3
/
wlr_keyboard.cpp
169 lines (140 loc) · 5.13 KB
/
wlr_keyboard.cpp
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
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
#include <assert.h>
#include <time.h>
#include "core/object.h"
#include "core/os/input_event.h"
#include "core/os/keyboard.h"
#include "keycode_map.h"
#include "scene/main/node.h"
#include "wlr_keyboard.h"
#include <iostream>
using namespace std;
extern "C" {
#include <xkbcommon/xkbcommon.h>
#include <wlr/interfaces/wlr_keyboard.h>
#include <wlr/interfaces/wlr_input_device.h>
#include <wlr/types/wlr_keyboard.h>
static void keyboard_destroy(struct wlr_keyboard *kb) {
//cout << "keyboard_destroy" << endl;
// This space deliberately left blank
}
static const struct wlr_keyboard_impl keyboard_impl = {
.destroy = keyboard_destroy,
};
}
void WlrKeyboard::_bind_methods() {
ClassDB::bind_method(D_METHOD("_input", "event"),
&WlrKeyboard::_input);
ClassDB::bind_method(D_METHOD("send_wlr_event_keyboard_key", "scancode_without_modifiers", "is_pressed"),
&WlrKeyboard::send_wlr_event_keyboard_key);
ADD_SIGNAL(MethodInfo("key", PropertyInfo(Variant::OBJECT,
"keyboard", PROPERTY_HINT_RESOURCE_TYPE, "WlrKeyboard"),
PropertyInfo(Variant::OBJECT,
"key_event", PROPERTY_HINT_RESOURCE_TYPE, "WlrEventKeyboardKey")));
ADD_SIGNAL(MethodInfo("modifiers", PropertyInfo(Variant::OBJECT,
"keyboard", PROPERTY_HINT_RESOURCE_TYPE, "WlrKeyboard")));
ADD_SIGNAL(MethodInfo("shortcut", PropertyInfo(Variant::INT,
"godot_scancode"), PropertyInfo(Variant::BOOL, "is_pressed")));
}
extern "C" {
void WlrKeyboard::handle_key(struct wl_listener *listener, void *data) {
WlrKeyboard *keyboard = wl_container_of(listener, keyboard, key);
struct wlr_event_keyboard_key *event =
(struct wlr_event_keyboard_key *)data;
auto gdevent = new WlrEventKeyboardKey(event);
keyboard->emit_signal("key", keyboard, gdevent);
}
void WlrKeyboard::handle_modifiers(struct wl_listener *listener, void *data) {
WlrKeyboard *keyboard = wl_container_of(listener, keyboard, modifiers);
keyboard->emit_signal("modifiers", keyboard);
}
}
void WlrKeyboard::ensure_keyboard() {
//cout << "WlrKeyboard::ensure_keyboard" << endl;
struct xkb_rule_names rules = { 0 };
wlr_keyboard_init(&wlr_keyboard, &keyboard_impl);
// TODO: configure xkb with godot properties?
rules.rules = getenv("XKB_DEFAULT_RULES");
rules.model = getenv("XKB_DEFAULT_MODEL");
rules.layout = getenv("XKB_DEFAULT_LAYOUT");
rules.variant = getenv("XKB_DEFAULT_VARIANT");
rules.options = getenv("XKB_DEFAULT_OPTIONS");
struct xkb_context *context = xkb_context_new(XKB_CONTEXT_NO_FLAGS);
assert(context);
struct xkb_keymap *keymap = xkb_map_new_from_names(context, &rules,
XKB_KEYMAP_COMPILE_NO_FLAGS);
assert(keymap);
wlr_keyboard_set_keymap(&wlr_keyboard, keymap);
xkb_keymap_unref(keymap);
xkb_context_unref(context);
wlr_input_device_init(&wlr_input_device, WLR_INPUT_DEVICE_KEYBOARD,
NULL, "Godot", 1, 1);
wlr_input_device.keyboard = &wlr_keyboard;
key.notify = handle_key;
wl_signal_add(&wlr_keyboard.events.key, &key);
modifiers.notify = handle_modifiers;
wl_signal_add(&wlr_keyboard.events.modifiers, &modifiers);
keyboard_init = true;
}
void WlrKeyboard::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_ENTER_TREE:
ensure_keyboard();
set_process_input(true);
//cout << "The keybhoard should be in the tree now." << endl;
break;
case NOTIFICATION_EXIT_TREE:
if (keyboard_init) {
wlr_keyboard_destroy(&wlr_keyboard);
}
set_process_input(false);
//cout << "The keybhoard should be out of the tree now." << endl;
break;
}
}
static inline int64_t timespec_to_msec(const struct timespec *a) {
return (int64_t)a->tv_sec * 1000 + a->tv_nsec / 1000000;
}
void WlrKeyboard::_input(const Ref<InputEvent> &p_event) {
Ref<InputEventKey> k = p_event;
if (k.is_valid()) {
int scancode_with_modifiers = k->get_scancode_with_modifiers();
this->emit_signal("shortcut", scancode_with_modifiers, k->is_pressed());
}
}
void WlrKeyboard::send_wlr_event_keyboard_key(int scancode_without_modifiers, bool is_pressed) {
struct wlr_event_keyboard_key event = { 0 };
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
event.time_msec = timespec_to_msec(&now);
event.keycode = eudev_from_godot(scancode_without_modifiers);
event.state = is_pressed ? WLR_KEY_PRESSED : WLR_KEY_RELEASED;
event.update_state = true;
wlr_keyboard_notify_key(&wlr_keyboard, &event);
}
struct wlr_input_device *WlrKeyboard::get_wlr_input_device() {
//cout << "*WlrKeyboard::get_wlr_input_device" << endl;
return &wlr_input_device;
}
WlrKeyboard::WlrKeyboard() {
//cout << "WlrKeyboard::WlrKeyboard" << endl;
keyboard_init = false;
wlr_keyboard = { 0 };
}
WlrKeyboard::~WlrKeyboard() {
//cout << "WlrKeyboard::~WlrKeyboard" << endl;
if (keyboard_init) {
wlr_keyboard_destroy(&wlr_keyboard);
}
}
WlrEventKeyboardKey::WlrEventKeyboardKey() {
//cout << "WlrEventKeyboardKey::WlrEventKeyboardKey" << endl;
/* Not used */
}
WlrEventKeyboardKey::WlrEventKeyboardKey(struct wlr_event_keyboard_key *event) {
//cout << "WlrEventKeyboardKey::WlrEventKeyboardKey" << endl;
this->event = event;
}
struct wlr_event_keyboard_key *WlrEventKeyboardKey::get_wlr_event() {
//cout << "*WlrEventKeyboardKey::get_wlr_event" << endl;
return event;
}