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
|
#include <assert.h>
#include <linux/input-event-codes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wayland-client.h>
#include <wayland-util.h>
#include "common.h"
#include "pointer.h"
#include "util.h"
#include "wlr-virtual-pointer-unstable-v1-client-protocol.h"
static enum pointer_action
parse_action(const char *action)
{
static const struct token actions[] = {
{"click", POINTER_ACTION_CLICK },
{"motion", POINTER_ACTION_MOTION},
{"move", POINTER_ACTION_MOTION},
{"scroll", POINTER_ACTION_SCROLL},
{NULL, POINTER_ACTION_UNSPEC}
};
return matchtok(actions, action);
}
static uint32_t
parse_button(const char *button)
{
static const struct token buttons[] = {
{"left", BTN_LEFT },
{"right", BTN_RIGHT },
{"middle", BTN_MIDDLE },
{"extra", BTN_EXTRA },
{"side", BTN_SIDE },
{"forward", BTN_FORWARD},
{"back", BTN_BACK },
{NULL, 0}
};
return matchtok(buttons, button);
}
static void
parse_fixed(const char *d, wl_fixed_t *fixed)
{
char *end;
int val = strtod(d, &end);
if (end == d || *end){
die("Bad value: '%s'\n", d);
} else {
*fixed = wl_fixed_from_double(val);
}
}
void
prepare_pointer(struct wlrctl *state, int argc, char *argv[])
{
struct wlrctl_pointer_command *cmd = calloc(1, sizeof (struct wlrctl_pointer_command));
assert(cmd);
const char *action = argv[0];
cmd->action = parse_action(action);
switch (cmd->action) {
case POINTER_ACTION_CLICK:
if (argc < 2) {
cmd->button = BTN_LEFT;
} else {
const char *button = argv[1];
cmd->button = parse_button(button);
if (!cmd->button) {
die("Unknown button: '%s'\n", button);
}
}
break;
case POINTER_ACTION_MOTION:
switch (argc) {
case 1:
break;
case 2:
parse_fixed(argv[1], &cmd->dx);
break;
case 3:
parse_fixed(argv[1], &cmd->dx);
parse_fixed(argv[2], &cmd->dy);
break;
default:
die("Extra argument: '%s'\n", argv[3]);
}
break;
case POINTER_ACTION_SCROLL:
switch (argc) {
case 1:
break;
case 2:
parse_fixed(argv[1], &cmd->dy);
break;
case 3:
parse_fixed(argv[1], &cmd->dy);
parse_fixed(argv[2], &cmd->dx);
break;
default:
die("Extra argument: '%s'\n", argv[3]);
}
break;
case POINTER_ACTION_UNSPEC:
die("Unknown pointer action: '%s'\n", action);
}
state->cmd = cmd;
cmd->state = state;
}
static void
complete_pointer(void *data, struct wl_callback *callback, uint32_t serial)
{
struct wlrctl *state = data;
wl_callback_destroy(callback);
state->running = false;
destroy_pointer(state);
}
static struct wl_callback_listener completed_listener = {
.done = complete_pointer
};
static void
pointer_press(struct zwlr_virtual_pointer_v1 *vptr, uint32_t button)
{
zwlr_virtual_pointer_v1_button(vptr, timestamp(), button, WL_POINTER_BUTTON_STATE_PRESSED);
zwlr_virtual_pointer_v1_frame(vptr);
}
static void
pointer_release(struct zwlr_virtual_pointer_v1 *vptr, uint32_t button)
{
zwlr_virtual_pointer_v1_button(vptr, timestamp(), button, WL_POINTER_BUTTON_STATE_RELEASED);
zwlr_virtual_pointer_v1_frame(vptr);
}
static void
pointer_move(struct zwlr_virtual_pointer_v1 *vptr, wl_fixed_t dx, wl_fixed_t dy)
{
if (!dx && !dy) {
return;
} else {
zwlr_virtual_pointer_v1_motion(vptr, timestamp(), dx, dy);
zwlr_virtual_pointer_v1_frame(vptr);
}
}
static void
pointer_scroll(struct zwlr_virtual_pointer_v1 *vptr, wl_fixed_t dy, wl_fixed_t dx)
{
if (!dx && !dy) {
return;
}
if (dx) {
zwlr_virtual_pointer_v1_axis_source(vptr, WL_POINTER_AXIS_SOURCE_FINGER);
zwlr_virtual_pointer_v1_axis(vptr, timestamp(), WL_POINTER_AXIS_HORIZONTAL_SCROLL, dx);
}
if (dy) {
zwlr_virtual_pointer_v1_axis_source(vptr, WL_POINTER_AXIS_SOURCE_FINGER);
zwlr_virtual_pointer_v1_axis(vptr, timestamp(), WL_POINTER_AXIS_VERTICAL_SCROLL, dy);
}
zwlr_virtual_pointer_v1_frame(vptr);
if (dx) {
zwlr_virtual_pointer_v1_axis_source(vptr, WL_POINTER_AXIS_SOURCE_FINGER);
zwlr_virtual_pointer_v1_axis_stop(vptr, timestamp(), WL_POINTER_AXIS_HORIZONTAL_SCROLL);
}
if (dy) {
zwlr_virtual_pointer_v1_axis_source(vptr, WL_POINTER_AXIS_SOURCE_FINGER);
zwlr_virtual_pointer_v1_axis_stop(vptr, timestamp(), WL_POINTER_AXIS_VERTICAL_SCROLL);
}
zwlr_virtual_pointer_v1_frame(vptr);
}
void
run_pointer(struct wlrctl *state)
{
struct wlrctl_pointer_command *cmd = state->cmd;
cmd->device =
zwlr_virtual_pointer_manager_v1_create_virtual_pointer(
state->vp_mgr, state->seat
);
switch (cmd->action) {
case POINTER_ACTION_CLICK:
pointer_press(cmd->device, cmd->button);
pointer_release(cmd->device, cmd->button);
break;
case POINTER_ACTION_MOTION:
pointer_move(cmd->device, cmd->dx, cmd->dy);
break;
case POINTER_ACTION_SCROLL:
pointer_scroll(cmd->device, cmd->dy, cmd->dx);
break;
case POINTER_ACTION_UNSPEC:
// Unreachable
assert(false);
}
struct wl_callback *callback = wl_display_sync(state->display);
wl_callback_add_listener(callback, &completed_listener, state);
}
void
destroy_pointer(struct wlrctl *state)
{
struct wlrctl_pointer_command *cmd = state->cmd;
zwlr_virtual_pointer_v1_destroy(cmd->device);
free(cmd);
}
|
