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
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
|
#include <float.h>
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_tablet_v2.h>
#include <wlr/types/wlr_touch.h>
#include "sway/input/cursor.h"
#include "sway/input/seat.h"
#include "sway/tree/view.h"
#include "sway/desktop/transaction.h"
#include "log.h"
struct seatop_touch_point_event {
double ref_lx, ref_ly; // touch's x/y at start of op
double ref_con_lx, ref_con_ly; // container's x/y at start of op
int32_t touch_id;
struct wl_list link;
};
struct seatop_down_event {
struct sway_container *con;
struct sway_seat *seat;
struct wl_listener surface_destroy;
struct wlr_surface *surface;
double ref_lx, ref_ly; // cursor's x/y at start of op
double ref_con_lx, ref_con_ly; // container's x/y at start of op
struct wl_list point_events; // seatop_touch_point_event::link
};
static void handle_touch_motion(struct sway_seat *seat,
struct wlr_touch_motion_event *event, double lx, double ly) {
struct seatop_down_event *e = seat->seatop_data;
struct seatop_touch_point_event *point_event;
bool found = false;
wl_list_for_each(point_event, &e->point_events, link) {
if (point_event->touch_id == event->touch_id) {
found = true;
break;
}
}
if (!found) {
return; // Probably not a point_event from this seatop_down
}
double moved_x = lx - point_event->ref_lx;
double moved_y = ly - point_event->ref_ly;
double sx = point_event->ref_con_lx + moved_x;
double sy = point_event->ref_con_ly + moved_y;
wlr_seat_touch_notify_motion(seat->wlr_seat, event->time_msec,
event->touch_id, sx, sy);
}
static void handle_touch_up(struct sway_seat *seat,
struct wlr_touch_up_event *event) {
struct seatop_down_event *e = seat->seatop_data;
struct seatop_touch_point_event *point_event, *tmp;
wl_list_for_each_safe(point_event, tmp, &e->point_events, link) {
if (point_event->touch_id == event->touch_id) {
wl_list_remove(&point_event->link);
free(point_event);
break;
}
}
wlr_seat_touch_notify_up(seat->wlr_seat, event->time_msec, event->touch_id);
if (wl_list_empty(&e->point_events)) {
seatop_begin_default(seat);
}
}
static void handle_touch_down(struct sway_seat *seat,
struct wlr_touch_down_event *event, double lx, double ly) {
struct seatop_down_event *e = seat->seatop_data;
double sx, sy;
struct wlr_surface *surface = NULL;
struct sway_node *focused_node = node_at_coords(seat, seat->touch_x,
seat->touch_y, &surface, &sx, &sy);
if (!surface || surface != e->surface) { // Must start from the initial surface
return;
}
struct seatop_touch_point_event *point_event =
calloc(1, sizeof(struct seatop_touch_point_event));
if (!sway_assert(point_event, "Unable to allocate point_event")) {
return;
}
point_event->touch_id = event->touch_id;
point_event->ref_lx = lx;
point_event->ref_ly = ly;
point_event->ref_con_lx = sx;
point_event->ref_con_ly = sy;
wl_list_insert(&e->point_events, &point_event->link);
wlr_seat_touch_notify_down(seat->wlr_seat, surface, event->time_msec,
event->touch_id, sx, sy);
if (focused_node) {
seat_set_focus(seat, focused_node);
}
}
static void handle_touch_cancel(struct sway_seat *seat,
struct wlr_touch_cancel_event *event) {
struct seatop_down_event *e = seat->seatop_data;
struct seatop_touch_point_event *point_event, *tmp;
wl_list_for_each_safe(point_event, tmp, &e->point_events, link) {
if (point_event->touch_id == event->touch_id) {
wl_list_remove(&point_event->link);
free(point_event);
break;
}
}
if (e->surface) {
struct wl_client *client = wl_resource_get_client(e->surface->resource);
struct wlr_seat_client *seat_client = wlr_seat_client_for_wl_client(seat->wlr_seat, client);
if (seat_client != NULL) {
wlr_seat_touch_notify_cancel(seat->wlr_seat, seat_client);
}
}
if (wl_list_empty(&e->point_events)) {
seatop_begin_default(seat);
}
}
static void handle_pointer_axis(struct sway_seat *seat,
struct wlr_pointer_axis_event *event) {
struct sway_input_device *input_device =
event->pointer ? event->pointer->base.data : NULL;
struct input_config *ic =
input_device ? input_device_get_config(input_device) : NULL;
float scroll_factor =
(ic == NULL || ic->scroll_factor == FLT_MIN) ? 1.0f : ic->scroll_factor;
wlr_seat_pointer_notify_axis(seat->wlr_seat, event->time_msec,
event->orientation, scroll_factor * event->delta,
roundf(scroll_factor * event->delta_discrete), event->source,
event->relative_direction);
}
static void handle_button(struct sway_seat *seat, uint32_t time_msec,
struct wlr_input_device *device, uint32_t button,
enum wl_pointer_button_state state) {
seat_pointer_notify_button(seat, time_msec, button, state);
if (seat->cursor->pressed_button_count == 0) {
seatop_begin_default(seat);
}
}
static void handle_pointer_motion(struct sway_seat *seat, uint32_t time_msec) {
struct seatop_down_event *e = seat->seatop_data;
if (seat_is_input_allowed(seat, e->surface)) {
double moved_x = seat->cursor->cursor->x - e->ref_lx;
double moved_y = seat->cursor->cursor->y - e->ref_ly;
double sx = e->ref_con_lx + moved_x;
double sy = e->ref_con_ly + moved_y;
wlr_seat_pointer_notify_motion(seat->wlr_seat, time_msec, sx, sy);
}
}
static void handle_tablet_tool_tip(struct sway_seat *seat,
struct sway_tablet_tool *tool, uint32_t time_msec,
enum wlr_tablet_tool_tip_state state) {
if (state == WLR_TABLET_TOOL_TIP_UP) {
wlr_tablet_v2_tablet_tool_notify_up(tool->tablet_v2_tool);
seatop_begin_default(seat);
}
}
static void handle_tablet_tool_motion(struct sway_seat *seat,
struct sway_tablet_tool *tool, uint32_t time_msec) {
struct seatop_down_event *e = seat->seatop_data;
if (seat_is_input_allowed(seat, e->surface)) {
double moved_x = seat->cursor->cursor->x - e->ref_lx;
double moved_y = seat->cursor->cursor->y - e->ref_ly;
double sx = e->ref_con_lx + moved_x;
double sy = e->ref_con_ly + moved_y;
wlr_tablet_v2_tablet_tool_notify_motion(tool->tablet_v2_tool, sx, sy);
}
}
static void handle_destroy(struct wl_listener *listener, void *data) {
struct seatop_down_event *e =
wl_container_of(listener, e, surface_destroy);
if (e) {
seatop_begin_default(e->seat);
}
}
static void handle_unref(struct sway_seat *seat, struct sway_container *con) {
struct seatop_down_event *e = seat->seatop_data;
if (e->con == con) {
seatop_begin_default(seat);
}
}
static void handle_end(struct sway_seat *seat) {
struct seatop_down_event *e = seat->seatop_data;
wl_list_remove(&e->surface_destroy.link);
}
static const struct sway_seatop_impl seatop_impl = {
.button = handle_button,
.pointer_motion = handle_pointer_motion,
.pointer_axis = handle_pointer_axis,
.tablet_tool_tip = handle_tablet_tool_tip,
.tablet_tool_motion = handle_tablet_tool_motion,
.touch_motion = handle_touch_motion,
.touch_up = handle_touch_up,
.touch_down = handle_touch_down,
.touch_cancel = handle_touch_cancel,
.unref = handle_unref,
.end = handle_end,
.allow_set_cursor = true,
};
void seatop_begin_down(struct sway_seat *seat, struct sway_container *con,
double sx, double sy) {
seatop_begin_down_on_surface(seat, con->view->surface, sx, sy);
struct seatop_down_event *e = seat->seatop_data;
e->con = con;
container_raise_floating(con);
transaction_commit_dirty();
}
void seatop_begin_touch_down(struct sway_seat *seat,
struct wlr_surface *surface, struct wlr_touch_down_event *event,
double sx, double sy, double lx, double ly) {
seatop_begin_down_on_surface(seat, surface, sx, sy);
handle_touch_down(seat, event, lx, ly);
}
void seatop_begin_down_on_surface(struct sway_seat *seat,
struct wlr_surface *surface, double sx, double sy) {
seatop_end(seat);
struct seatop_down_event *e =
calloc(1, sizeof(struct seatop_down_event));
if (!sway_assert(e, "Unable to allocate e")) {
return;
}
e->con = NULL;
e->seat = seat;
e->surface = surface;
wl_signal_add(&e->surface->events.destroy, &e->surface_destroy);
e->surface_destroy.notify = handle_destroy;
e->ref_lx = seat->cursor->cursor->x;
e->ref_ly = seat->cursor->cursor->y;
e->ref_con_lx = sx;
e->ref_con_ly = sy;
wl_list_init(&e->point_events);
seat->seatop_impl = &seatop_impl;
seat->seatop_data = e;
}
|
