include/backend/wayland.h


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

#ifndef BACKEND_WAYLAND_H
#define BACKEND_WAYLAND_H

#include <stdbool.h>

#include <wayland-client.h>
#include <wayland-server-core.h>

#include <wlr/backend/wayland.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_keyboard.h>
#include <wlr/types/wlr_pointer.h>
#include <wlr/types/wlr_tablet_pad.h>
#include <wlr/types/wlr_tablet_tool.h>
#include <wlr/types/wlr_touch.h>
#include <wlr/render/drm_format_set.h>

struct wlr_wl_backend {
	struct wlr_backend backend;

	/* local state */
	bool started;
	struct wl_display *local_display;
	struct wl_list outputs;
	int drm_fd;
	struct wl_list buffers; // wlr_wl_buffer.link
	size_t requested_outputs;
	size_t last_output_num;
	struct wl_listener local_display_destroy;
	char *activation_token;

	/* remote state */
	struct wl_display *remote_display;
	struct wl_event_source *remote_display_src;
	struct wl_registry *registry;
	struct wl_compositor *compositor;
	struct xdg_wm_base *xdg_wm_base;
	struct zxdg_decoration_manager_v1 *zxdg_decoration_manager_v1;
	struct zwp_pointer_gestures_v1 *zwp_pointer_gestures_v1;
	struct wp_presentation *presentation;
	struct wl_shm *shm;
	struct zwp_linux_dmabuf_v1 *zwp_linux_dmabuf_v1;
	struct zwp_relative_pointer_manager_v1 *zwp_relative_pointer_manager_v1;
	struct wl_list seats; // wlr_wl_seat.link
	struct zwp_tablet_manager_v2 *tablet_manager;
	clockid_t presentation_clock;
	struct wlr_drm_format_set shm_formats;
	struct wlr_drm_format_set linux_dmabuf_v1_formats;
	struct wl_drm *legacy_drm;
	struct xdg_activation_v1 *activation_v1;
	char *drm_render_name;
};

struct wlr_wl_buffer {
	struct wlr_buffer *buffer;
	struct wl_buffer *wl_buffer;
	bool released;
	struct wl_list link; // wlr_wl_backend.buffers
	struct wl_listener buffer_destroy;
};

struct wlr_wl_presentation_feedback {
	struct wlr_wl_output *output;
	struct wl_list link;
	struct wp_presentation_feedback *feedback;
	uint32_t commit_seq;
};

struct wlr_wl_output {
	struct wlr_output wlr_output;

	struct wlr_wl_backend *backend;
	struct wl_list link;

	struct wl_surface *surface;
	struct wl_callback *frame_callback;
	struct xdg_surface *xdg_surface;
	struct xdg_toplevel *xdg_toplevel;
	struct zxdg_toplevel_decoration_v1 *zxdg_toplevel_decoration_v1;
	struct wl_list presentation_feedbacks;

	uint32_t enter_serial;

	struct {
		struct wlr_wl_pointer *pointer;
		struct wl_surface *surface;
		int32_t hotspot_x, hotspot_y;
	} cursor;
};

struct wlr_wl_pointer {
	struct wlr_pointer wlr_pointer;

	struct wlr_wl_seat *seat;
	struct wlr_wl_output *output;

	enum wlr_axis_source axis_source;
	int32_t axis_discrete;
	uint32_t fingers; // trackpad gesture

	struct wl_listener output_destroy;

	struct wl_list link;
};

struct wlr_wl_seat {
	char *name;
	struct wl_seat *wl_seat;

	struct wlr_wl_backend *backend;

	struct wl_keyboard *wl_keyboard;
	struct wlr_keyboard wlr_keyboard;

	struct wl_pointer *wl_pointer;
	struct wlr_wl_pointer *active_pointer;
	struct wl_list pointers; // wlr_wl_pointer::link

	struct zwp_pointer_gesture_swipe_v1 *gesture_swipe;
	struct zwp_pointer_gesture_pinch_v1 *gesture_pinch;
	struct zwp_pointer_gesture_hold_v1 *gesture_hold;
	struct zwp_relative_pointer_v1 *relative_pointer;

	struct wl_touch *wl_touch;
	struct wlr_touch wlr_touch;

	struct zwp_tablet_seat_v2 *zwp_tablet_seat_v2;
	struct zwp_tablet_v2 *zwp_tablet_v2;
	struct wlr_tablet wlr_tablet;
	struct zwp_tablet_tool_v2 *zwp_tablet_tool_v2;
	struct wlr_tablet_tool wlr_tablet_tool;
	struct zwp_tablet_pad_v2 *zwp_tablet_pad_v2;
	struct wlr_tablet_pad wlr_tablet_pad;

	struct wl_list link; // wlr_wl_backend.seats
};

struct wlr_wl_backend *get_wl_backend_from_backend(struct wlr_backend *backend);
void update_wl_output_cursor(struct wlr_wl_output *output);

void init_seat_keyboard(struct wlr_wl_seat *seat);

void init_seat_pointer(struct wlr_wl_seat *seat);
void finish_seat_pointer(struct wlr_wl_seat *seat);
void create_pointer(struct wlr_wl_seat *seat, struct wlr_wl_output *output);

void init_seat_tablet(struct wlr_wl_seat *seat);
void finish_seat_tablet(struct wlr_wl_seat *seat);

bool create_wl_seat(struct wl_seat *wl_seat, struct wlr_wl_backend *wl);
void destroy_wl_seats(struct wlr_wl_backend *wl);
void destroy_wl_buffer(struct wlr_wl_buffer *buffer);

extern const struct wlr_pointer_impl wl_pointer_impl;
extern const struct wlr_tablet_pad_impl wl_tablet_pad_impl;
extern const struct wlr_tablet_impl wl_tablet_impl;

#endif