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
|
/*
* Copyright © 2020 Collabora, Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#include <assert.h>
#include <linux/input.h>
#include <stdbool.h>
#include <stdint.h>
#include <string.h>
#include "ivi-compositor.h"
#include "shared/helpers.h"
struct ivi_shell_seat {
struct weston_seat *seat;
struct weston_surface *focused_surface;
bool hide_cursor;
bool new_caps_sent;
struct wl_listener seat_destroy_listener;
struct wl_listener caps_changed_listener;
struct wl_listener keyboard_focus_listener;
struct wl_listener pointer_focus_listener;
};
static struct ivi_surface *
get_ivi_shell_surface(struct weston_surface *surface)
{
struct weston_desktop_surface *desktop_surface =
weston_surface_get_desktop_surface(surface);
if (desktop_surface)
return weston_desktop_surface_get_user_data(desktop_surface);
return NULL;
}
static void
ivi_shell_seat_handle_destroy(struct wl_listener *listener, void *data)
{
struct ivi_shell_seat *shseat =
container_of(listener,
struct ivi_shell_seat, seat_destroy_listener);
wl_list_remove(&shseat->keyboard_focus_listener.link);
wl_list_remove(&shseat->caps_changed_listener.link);
wl_list_remove(&shseat->pointer_focus_listener.link);
wl_list_remove(&shseat->seat_destroy_listener.link);
free(shseat);
}
static struct ivi_shell_seat *
get_ivi_shell_seat(struct weston_seat *seat)
{
struct wl_listener *listener;
listener = wl_signal_get(&seat->destroy_signal,
ivi_shell_seat_handle_destroy);
assert(listener != NULL);
return container_of(listener,
struct ivi_shell_seat, seat_destroy_listener);
}
static void
ivi_shell_seat_handle_pointer_focus(struct wl_listener *listener, void *data)
{
struct weston_pointer *pointer = data;
struct ivi_shell_seat *shseat = get_ivi_shell_seat(pointer->seat);
struct wl_resource *resource;
int resources = 0;
/* FIXME: should probably query it and not assume all caps */
uint32_t caps = (WL_SEAT_CAPABILITY_POINTER |
WL_SEAT_CAPABILITY_TOUCH |
WL_SEAT_CAPABILITY_KEYBOARD);
wl_resource_for_each(resource, &pointer->seat->base_resource_list)
resources++;
/* remove the POINTER capability such that the client will not install
* a cursor surface */
if (shseat->hide_cursor && !shseat->new_caps_sent && resources) {
caps &= ~WL_SEAT_CAPABILITY_POINTER;
wl_resource_for_each(resource, &pointer->seat->base_resource_list) {
wl_seat_send_capabilities(resource, caps);
}
shseat->new_caps_sent = true;
}
}
static void
ivi_shell_seat_handle_caps_changed(struct wl_listener *listener, void *data)
{
struct weston_pointer *pointer;
struct ivi_shell_seat *shseat;
shseat = container_of(listener, struct ivi_shell_seat,
caps_changed_listener);
pointer = weston_seat_get_pointer(shseat->seat);
if (pointer && wl_list_empty(&shseat->pointer_focus_listener.link)) {
wl_signal_add(&pointer->focus_signal,
&shseat->pointer_focus_listener);
} else {
wl_list_remove(&shseat->pointer_focus_listener.link);
wl_list_init(&shseat->pointer_focus_listener.link);
}
}
static struct ivi_shell_seat *
ivi_shell_seat_create(struct weston_seat *seat, bool hide_cursor)
{
struct ivi_shell_seat *shseat;
shseat = zalloc(sizeof(*shseat));
if (!shseat) {
weston_log("no memory to allocate shell seat\n");
return NULL;
}
shseat->seat = seat;
shseat->hide_cursor = hide_cursor;
shseat->new_caps_sent = false;
shseat->seat_destroy_listener.notify = ivi_shell_seat_handle_destroy;
wl_signal_add(&seat->destroy_signal, &shseat->seat_destroy_listener);
wl_list_init(&shseat->keyboard_focus_listener.link);
shseat->pointer_focus_listener.notify =
ivi_shell_seat_handle_pointer_focus;
wl_list_init(&shseat->pointer_focus_listener.link);
shseat->caps_changed_listener.notify =
ivi_shell_seat_handle_caps_changed;
wl_signal_add(&seat->updated_caps_signal, &shseat->caps_changed_listener);
ivi_shell_seat_handle_caps_changed(&shseat->caps_changed_listener, NULL);
return shseat;
}
static void
ivi_shell_handle_seat_created(struct wl_listener *listener, void *data)
{
struct weston_seat *seat = data;
struct ivi_compositor *ivi =
container_of(listener, struct ivi_compositor, seat_created_listener);
weston_log("Cursor is %s\n", ivi->hide_cursor ? "set" : "not set");
ivi_shell_seat_create(seat, ivi->hide_cursor);
}
/*
* useful to reset the fact that 'new' capabilities have seent
*/
void
ivi_seat_reset_caps_sent(struct ivi_compositor *ivi)
{
struct weston_compositor *ec = ivi->compositor;
struct weston_seat *seat;
wl_list_for_each(seat, &ec->seat_list, link) {
struct ivi_shell_seat *ivi_seat = get_ivi_shell_seat(seat);
ivi_seat->new_caps_sent = false;
}
}
void
ivi_seat_init(struct ivi_compositor *ivi)
{
struct weston_compositor *ec = ivi->compositor;
struct weston_seat *seat;
wl_list_for_each(seat, &ec->seat_list, link) {
weston_log("Seat %p, cursor is %s\n", seat, ivi->hide_cursor ?
"set" : "not set");
ivi_shell_seat_create(seat, ivi->hide_cursor);
}
ivi->seat_created_listener.notify = ivi_shell_handle_seat_created;
wl_signal_add(&ec->seat_created_signal, &ivi->seat_created_listener);
}
|
