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
|
#include <GLES2/gl2.h>
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <wayland-client.h>
#include <wayland-egl.h>
#include "egl_common.h"
#include "wlr-input-inhibitor-unstable-v1-client-protocol.h"
#include "xdg-shell-client-protocol.h"
static int width = 500, height = 300;
static int keys = 0;
static struct wl_compositor *compositor = NULL;
static struct wl_seat *seat = NULL;
static struct xdg_wm_base *wm_base = NULL;
static struct zwlr_input_inhibit_manager_v1 *input_inhibit_manager = NULL;
static struct zwlr_input_inhibitor_v1 *input_inhibitor = NULL;
struct wl_egl_window *egl_window;
struct wlr_egl_surface *egl_surface;
static void render_frame(void) {
eglMakeCurrent(egl_display, egl_surface, egl_surface, egl_context);
glViewport(0, 0, width, height);
if (keys) {
glClearColor(1.0, 1.0, 1.0, 1.0);
} else {
glClearColor(0.8, 0.4, 1.0, 1.0);
}
glClear(GL_COLOR_BUFFER_BIT);
eglSwapBuffers(egl_display, egl_surface);
}
static void xdg_surface_handle_configure(void *data,
struct xdg_surface *xdg_surface, uint32_t serial) {
xdg_surface_ack_configure(xdg_surface, serial);
wl_egl_window_resize(egl_window, width, height, 0, 0);
render_frame();
}
static const struct xdg_surface_listener xdg_surface_listener = {
.configure = xdg_surface_handle_configure,
};
static void xdg_toplevel_handle_configure(void *data,
struct xdg_toplevel *xdg_toplevel, int32_t w, int32_t h,
struct wl_array *states) {
width = w;
height = h;
}
static void xdg_toplevel_handle_close(void *data,
struct xdg_toplevel *xdg_toplevel) {
exit(0);
}
static const struct xdg_toplevel_listener xdg_toplevel_listener = {
.configure = xdg_toplevel_handle_configure,
.close = xdg_toplevel_handle_close,
};
static void wl_keyboard_keymap(void *data, struct wl_keyboard *wl_keyboard,
uint32_t format, int32_t fd, uint32_t size) {
}
static void wl_keyboard_enter(void *data, struct wl_keyboard *wl_keyboard,
uint32_t serial, struct wl_surface *surface, struct wl_array *keys) {
}
static void wl_keyboard_leave(void *data, struct wl_keyboard *wl_keyboard,
uint32_t serial, struct wl_surface *surface) {
}
static void wl_keyboard_modifiers(void *data, struct wl_keyboard *wl_keyboard,
uint32_t serial, uint32_t mods_depressed, uint32_t mods_latched,
uint32_t mods_locked, uint32_t group) {
}
static void wl_keyboard_repeat_info(void *data, struct wl_keyboard *wl_keyboard,
int32_t rate, int32_t delay) {
}
static void wl_keyboard_key(void *data, struct wl_keyboard *wl_keyboard,
uint32_t serial, uint32_t time, uint32_t key, uint32_t state) {
if (state == WL_KEYBOARD_KEY_STATE_PRESSED) {
++keys;
} else {
--keys;
}
render_frame();
}
static struct wl_keyboard_listener keyboard_listener = {
.keymap = wl_keyboard_keymap,
.enter = wl_keyboard_enter,
.leave = wl_keyboard_leave,
.key = wl_keyboard_key,
.modifiers = wl_keyboard_modifiers,
.repeat_info = wl_keyboard_repeat_info,
};
static void seat_handle_capabilities(void *data, struct wl_seat *wl_seat,
enum wl_seat_capability caps) {
if ((caps & WL_SEAT_CAPABILITY_KEYBOARD)) {
struct wl_keyboard *keyboard = wl_seat_get_keyboard(wl_seat);
wl_keyboard_add_listener(keyboard, &keyboard_listener, NULL);
}
}
static void seat_handle_name(void *data, struct wl_seat *wl_seat,
const char *name) {
// Who cares
}
const struct wl_seat_listener seat_listener = {
.capabilities = seat_handle_capabilities,
.name = seat_handle_name,
};
static void handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version) {
if (strcmp(interface, wl_compositor_interface.name) == 0) {
compositor = wl_registry_bind(registry, name,
&wl_compositor_interface, 1);
} else if (strcmp(interface, xdg_wm_base_interface.name) == 0) {
wm_base = wl_registry_bind(registry, name, &xdg_wm_base_interface, 1);
} else if (strcmp(interface, zwlr_input_inhibit_manager_v1_interface.name) == 0) {
input_inhibit_manager = wl_registry_bind(registry, name,
&zwlr_input_inhibit_manager_v1_interface, 1);
} else if (strcmp(interface, wl_seat_interface.name) == 0) {
seat = wl_registry_bind(registry, name, &wl_seat_interface, version);
wl_seat_add_listener(seat, &seat_listener, seat);
}
}
static void handle_global_remove(void *data, struct wl_registry *registry,
uint32_t name) {
// who cares
}
static const struct wl_registry_listener registry_listener = {
.global = handle_global,
.global_remove = handle_global_remove,
};
int main(int argc, char **argv) {
struct wl_display *display = wl_display_connect(NULL);
assert(display);
struct wl_registry *registry = wl_display_get_registry(display);
assert(registry);
wl_registry_add_listener(registry, ®istry_listener, NULL);
wl_display_roundtrip(display);
assert(compositor && seat && wm_base && input_inhibit_manager);
input_inhibitor = zwlr_input_inhibit_manager_v1_get_inhibitor(
input_inhibit_manager);
assert(input_inhibitor);
egl_init(display);
struct wl_surface *surface = wl_compositor_create_surface(compositor);
assert(surface);
struct xdg_surface *xdg_surface =
xdg_wm_base_get_xdg_surface(wm_base, surface);
assert(xdg_surface);
struct xdg_toplevel *xdg_toplevel = xdg_surface_get_toplevel(xdg_surface);
assert(xdg_toplevel);
xdg_surface_add_listener(xdg_surface, &xdg_surface_listener, NULL);
xdg_toplevel_add_listener(xdg_toplevel, &xdg_toplevel_listener, NULL);
wl_surface_commit(surface);
egl_window = wl_egl_window_create(surface, width, height);
egl_surface = eglCreatePlatformWindowSurfaceEXT(
egl_display, egl_config, egl_window, NULL);
wl_display_roundtrip(display);
render_frame();
while (wl_display_dispatch(display) != -1) {
// This space intentionally left blank
}
return 0;
}
|
