aboutsummaryrefslogtreecommitdiffstats
path: root/sway/input/cursor.c
blob: 5f2d650e6f7bbad4114f9bc714b54541c7354c10 (plain) (blame)
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
#define _XOPEN_SOURCE 700
#include <wlr/types/wlr_cursor.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include "sway/input/cursor.h"
#include "sway/view.h"
#include "list.h"
#include "log.h"

static void cursor_update_position(struct sway_cursor *cursor) {
	double x = cursor->cursor->x;
	double y = cursor->cursor->y;

	wlr_xcursor_manager_set_cursor_image(cursor->xcursor_manager,
		"left_ptr", cursor->cursor);

	cursor->x = x;
	cursor->y = y;
}

static void cursor_send_pointer_motion(struct sway_cursor *cursor,
		uint32_t time) {
	struct wlr_seat *seat = cursor->seat->seat;
	struct wlr_surface *surface = NULL;
	double sx, sy;
	swayc_t *swayc =
		swayc_at(&root_container, cursor->x, cursor->y, &surface, &sx, &sy);
	if (swayc) {
		wlr_seat_pointer_notify_enter(seat, surface, sx, sy);
		wlr_seat_pointer_notify_motion(seat, time, sx, sy);
	} else {
		wlr_seat_pointer_clear_focus(seat);
	}
}

static void handle_cursor_motion(struct wl_listener *listener, void *data) {
	struct sway_cursor *cursor =
		wl_container_of(listener, cursor, motion);
	struct wlr_event_pointer_motion *event = data;
	wlr_cursor_move(cursor->cursor, event->device,
		event->delta_x, event->delta_y);
	cursor_update_position(cursor);
	cursor_send_pointer_motion(cursor, event->time_msec);
}

static void handle_cursor_motion_absolute(struct wl_listener *listener,
		void *data) {
	struct sway_cursor *cursor =
		wl_container_of(listener, cursor, motion_absolute);
	struct wlr_event_pointer_motion_absolute *event = data;
	wlr_cursor_warp_absolute(cursor->cursor, event->device,
		event->x_mm / event->width_mm, event->y_mm / event->height_mm);
	cursor_update_position(cursor);
	cursor_send_pointer_motion(cursor, event->time_msec);
}

static void handle_cursor_button(struct wl_listener *listener, void *data) {
	struct sway_cursor *cursor =
		wl_container_of(listener, cursor, button);
	struct wlr_event_pointer_button *event = data;
	wlr_seat_pointer_notify_button(cursor->seat->seat, event->time_msec,
		event->button, event->state);
}

static void handle_cursor_axis(struct wl_listener *listener, void *data) {
	struct sway_cursor *cursor =
		wl_container_of(listener, cursor, axis);
	struct wlr_event_pointer_axis *event = data;
	wlr_seat_pointer_notify_axis(cursor->seat->seat, event->time_msec,
		event->orientation, event->delta);
}

static void handle_touch_down(struct wl_listener *listener, void *data) {
	struct sway_cursor *cursor =
		wl_container_of(listener, cursor, touch_down);
	struct wlr_event_touch_down *event = data;
	sway_log(L_DEBUG, "TODO: handle touch down event: %p", event);
}

static void handle_touch_up(struct wl_listener *listener, void *data) {
	struct sway_cursor *cursor =
		wl_container_of(listener, cursor, touch_up);
	struct wlr_event_touch_up *event = data;
	sway_log(L_DEBUG, "TODO: handle touch up event: %p", event);
}

static void handle_touch_motion(struct wl_listener *listener, void *data) {
	struct sway_cursor *cursor =
		wl_container_of(listener, cursor, touch_motion);
	struct wlr_event_touch_motion *event = data;
	sway_log(L_DEBUG, "TODO: handle touch motion event: %p", event);
}

static void handle_tool_axis(struct wl_listener *listener, void *data) {
	struct sway_cursor *cursor =
		wl_container_of(listener, cursor, tool_axis);
	struct wlr_event_tablet_tool_axis *event = data;
	sway_log(L_DEBUG, "TODO: handle tool axis event: %p", event);
}

static void handle_tool_tip(struct wl_listener *listener, void *data) {
	struct sway_cursor *cursor =
		wl_container_of(listener, cursor, tool_tip);
	struct wlr_event_tablet_tool_tip *event = data;
	sway_log(L_DEBUG, "TODO: handle tool tip event: %p", event);
}

static void handle_request_set_cursor(struct wl_listener *listener,
		void *data) {
	struct sway_cursor *cursor =
		wl_container_of(listener, cursor, request_set_cursor);
	struct wlr_seat_pointer_request_set_cursor_event *event = data;
	sway_log(L_DEBUG, "TODO: handle request set cursor event: %p", event);
}

struct sway_cursor *sway_cursor_create(struct sway_seat *seat) {
	struct sway_cursor *cursor = calloc(1, sizeof(struct sway_cursor));
	if (!sway_assert(cursor, "could not allocate sway cursor")) {
		return NULL;
	}

	struct wlr_cursor *wlr_cursor = wlr_cursor_create();
	if (!sway_assert(wlr_cursor, "could not allocate wlr cursor")) {
		free(cursor);
		return NULL;
	}

	cursor->seat = seat;
	wlr_cursor_attach_output_layout(wlr_cursor, root_container.output_layout);

	// input events
	wl_signal_add(&wlr_cursor->events.motion, &cursor->motion);
	cursor->motion.notify = handle_cursor_motion;

	wl_signal_add(&wlr_cursor->events.motion_absolute,
		&cursor->motion_absolute);
	cursor->motion_absolute.notify = handle_cursor_motion_absolute;

	wl_signal_add(&wlr_cursor->events.button, &cursor->button);
	cursor->button.notify = handle_cursor_button;

	wl_signal_add(&wlr_cursor->events.axis, &cursor->axis);
	cursor->axis.notify = handle_cursor_axis;

	wl_signal_add(&wlr_cursor->events.touch_down, &cursor->touch_down);
	cursor->touch_down.notify = handle_touch_down;

	wl_signal_add(&wlr_cursor->events.touch_up, &cursor->touch_up);
	cursor->touch_up.notify = handle_touch_up;

	wl_signal_add(&wlr_cursor->events.touch_motion,
		&cursor->touch_motion);
	cursor->touch_motion.notify = handle_touch_motion;

	wl_signal_add(&wlr_cursor->events.tablet_tool_axis,
		&cursor->tool_axis);
	cursor->tool_axis.notify = handle_tool_axis;

	wl_signal_add(&wlr_cursor->events.tablet_tool_tip, &cursor->tool_tip);
	cursor->tool_tip.notify = handle_tool_tip;

	wl_signal_add(&seat->seat->events.request_set_cursor,
			&cursor->request_set_cursor);
	cursor->request_set_cursor.notify = handle_request_set_cursor;

	cursor->cursor = wlr_cursor;

	return cursor;
}