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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
|
#include <stdlib.h>
#include <wlr/config.h>
#include <linux/input-event-codes.h>
#include <xcb/xcb.h>
#include <xcb/xfixes.h>
#include <xcb/xinput.h>
#include <wlr/interfaces/wlr_input_device.h>
#include <wlr/interfaces/wlr_keyboard.h>
#include <wlr/interfaces/wlr_pointer.h>
#include <wlr/util/log.h>
#include "backend/x11.h"
#include "util/signal.h"
static void send_key_event(struct wlr_x11_backend *x11, uint32_t key,
enum wlr_key_state st, xcb_timestamp_t time) {
struct wlr_event_keyboard_key ev = {
.time_msec = time,
.keycode = key,
.state = st,
.update_state = true,
};
wlr_keyboard_notify_key(&x11->keyboard, &ev);
}
static void send_button_event(struct wlr_x11_output *output, uint32_t key,
enum wlr_button_state st, xcb_timestamp_t time) {
struct wlr_event_pointer_button ev = {
.device = &output->pointer_dev,
.time_msec = time,
.button = key,
.state = st,
};
wlr_signal_emit_safe(&output->pointer.events.button, &ev);
wlr_signal_emit_safe(&output->pointer.events.frame, &output->pointer);
}
static void send_axis_event(struct wlr_x11_output *output, int32_t delta,
xcb_timestamp_t time) {
struct wlr_event_pointer_axis ev = {
.device = &output->pointer_dev,
.time_msec = time,
.source = WLR_AXIS_SOURCE_WHEEL,
.orientation = WLR_AXIS_ORIENTATION_VERTICAL,
// 15 is a typical value libinput sends for one scroll
.delta = delta * 15,
.delta_discrete = delta,
};
wlr_signal_emit_safe(&output->pointer.events.axis, &ev);
wlr_signal_emit_safe(&output->pointer.events.frame, &output->pointer);
}
static void send_pointer_position_event(struct wlr_x11_output *output,
int16_t x, int16_t y, xcb_timestamp_t time) {
struct wlr_event_pointer_motion_absolute ev = {
.device = &output->pointer_dev,
.time_msec = time,
.x = (double)x / output->wlr_output.width,
.y = (double)y / output->wlr_output.height,
};
wlr_signal_emit_safe(&output->pointer.events.motion_absolute, &ev);
wlr_signal_emit_safe(&output->pointer.events.frame, &output->pointer);
}
void handle_x11_xinput_event(struct wlr_x11_backend *x11,
xcb_ge_generic_event_t *event) {
struct wlr_x11_output *output;
switch (event->event_type) {
case XCB_INPUT_KEY_PRESS: {
xcb_input_key_press_event_t *ev =
(xcb_input_key_press_event_t *)event;
wlr_keyboard_notify_modifiers(&x11->keyboard, ev->mods.base,
ev->mods.latched, ev->mods.locked, ev->mods.effective);
send_key_event(x11, ev->detail - 8, WLR_KEY_PRESSED, ev->time);
x11->time = ev->time;
break;
}
case XCB_INPUT_KEY_RELEASE: {
xcb_input_key_release_event_t *ev =
(xcb_input_key_release_event_t *)event;
wlr_keyboard_notify_modifiers(&x11->keyboard, ev->mods.base,
ev->mods.latched, ev->mods.locked, ev->mods.effective);
send_key_event(x11, ev->detail - 8, WLR_KEY_RELEASED, ev->time);
x11->time = ev->time;
break;
}
case XCB_INPUT_BUTTON_PRESS: {
xcb_input_button_press_event_t *ev =
(xcb_input_button_press_event_t *)event;
output = get_x11_output_from_window_id(x11, ev->event);
if (!output) {
return;
}
switch (ev->detail) {
case XCB_BUTTON_INDEX_1:
send_button_event(output, BTN_LEFT, WLR_BUTTON_PRESSED,
ev->time);
break;
case XCB_BUTTON_INDEX_2:
send_button_event(output, BTN_MIDDLE, WLR_BUTTON_PRESSED,
ev->time);
break;
case XCB_BUTTON_INDEX_3:
send_button_event(output, BTN_RIGHT, WLR_BUTTON_PRESSED,
ev->time);
break;
case XCB_BUTTON_INDEX_4:
send_axis_event(output, -1, ev->time);
break;
case XCB_BUTTON_INDEX_5:
send_axis_event(output, 1, ev->time);
break;
}
x11->time = ev->time;
break;
}
case XCB_INPUT_BUTTON_RELEASE: {
xcb_input_button_release_event_t *ev =
(xcb_input_button_release_event_t *)event;
output = get_x11_output_from_window_id(x11, ev->event);
if (!output) {
return;
}
switch (ev->detail) {
case XCB_BUTTON_INDEX_1:
send_button_event(output, BTN_LEFT, WLR_BUTTON_RELEASED,
ev->time);
break;
case XCB_BUTTON_INDEX_2:
send_button_event(output, BTN_MIDDLE, WLR_BUTTON_RELEASED,
ev->time);
break;
case XCB_BUTTON_INDEX_3:
send_button_event(output, BTN_RIGHT, WLR_BUTTON_RELEASED,
ev->time);
break;
}
x11->time = ev->time;
break;
}
case XCB_INPUT_MOTION: {
xcb_input_motion_event_t *ev = (xcb_input_motion_event_t *)event;
output = get_x11_output_from_window_id(x11, ev->event);
if (!output) {
return;
}
send_pointer_position_event(output, ev->event_x >> 16,
ev->event_y >> 16, ev->time);
x11->time = ev->time;
break;
}
case XCB_INPUT_ENTER: {
xcb_input_enter_event_t *ev = (xcb_input_enter_event_t *)event;
output = get_x11_output_from_window_id(x11, ev->event);
if (!output) {
return;
}
if (!output->cursor_hidden) {
xcb_xfixes_hide_cursor(x11->xcb, output->win);
xcb_flush(x11->xcb);
output->cursor_hidden = true;
}
break;
}
case XCB_INPUT_LEAVE: {
xcb_input_leave_event_t *ev = (xcb_input_leave_event_t *)event;
output = get_x11_output_from_window_id(x11, ev->event);
if (!output) {
return;
}
if (output->cursor_hidden) {
xcb_xfixes_show_cursor(x11->xcb, output->win);
xcb_flush(x11->xcb);
output->cursor_hidden = false;
}
break;
}
}
}
static void input_device_destroy(struct wlr_input_device *wlr_device) {
// Don't free the input device, it's on the stack
}
const struct wlr_input_device_impl input_device_impl = {
.destroy = input_device_destroy,
};
static void keyboard_destroy(struct wlr_keyboard *wlr_keyboard) {
// Don't free the keyboard, it's on the stack
}
const struct wlr_keyboard_impl keyboard_impl = {
.destroy = keyboard_destroy,
};
static void pointer_destroy(struct wlr_pointer *wlr_pointer) {
// Don't free the pointer, it's on the stack
}
const struct wlr_pointer_impl pointer_impl = {
.destroy = pointer_destroy,
};
void update_x11_pointer_position(struct wlr_x11_output *output,
xcb_timestamp_t time) {
struct wlr_x11_backend *x11 = output->x11;
xcb_query_pointer_cookie_t cookie =
xcb_query_pointer(x11->xcb, output->win);
xcb_query_pointer_reply_t *reply =
xcb_query_pointer_reply(x11->xcb, cookie, NULL);
if (!reply) {
return;
}
send_pointer_position_event(output, reply->win_x, reply->win_y, time);
free(reply);
}
bool wlr_input_device_is_x11(struct wlr_input_device *wlr_dev) {
return wlr_dev->impl == &input_device_impl;
}
|
