aboutsummaryrefslogtreecommitdiff
path: root/examples/idle-inhibit.c
blob: 829da85148994ba4908d69f639fce7cbd08624f6 (plain)
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
#include <GLES2/gl2.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wayland-client.h>
#include <wayland-egl.h>
#include <wlr/render/egl.h>
#include "idle-inhibit-unstable-v1-client-protocol.h"
#include "xdg-shell-client-protocol.h"

#include <linux/input-event-codes.h>

/**
 * Usage: idle-inhibit
 * Creates a xdg-toplevel using the idle-inhibit protocol.
 * It will be solid green, when it has an idle inhibitor, and solid yellow if
 * it does not.
 * Left click with a pointer will toggle this state. (Touch is not supported
 * for now).
 */

static int width = 500, height = 300;

static struct wl_compositor *compositor = NULL;
static struct wl_seat *seat = NULL;
static struct xdg_wm_base *wm_base = NULL;
static struct zwp_idle_inhibit_manager_v1 *idle_inhibit_manager = NULL;
static struct zwp_idle_inhibitor_v1 *idle_inhibitor = NULL;

struct wlr_egl egl;
struct wl_egl_window *egl_window;
struct wlr_egl_surface *egl_surface;

static void draw(void) {
	eglMakeCurrent(egl.display, egl_surface, egl_surface, egl.context);

	float color[] = {1.0, 1.0, 0.0, 1.0};
	if (idle_inhibitor) {
		color[0] = 0.0;
	}

	glViewport(0, 0, width, height);
	glClearColor(color[0], color[1], color[2], 1.0);
	glClear(GL_COLOR_BUFFER_BIT);

	eglSwapBuffers(egl.display, egl_surface);
}

static void pointer_handle_button(void *data, struct wl_pointer *pointer, uint32_t serial,
		uint32_t time, uint32_t button, uint32_t state_w) {
	struct wl_surface *surface = data;

	if (button == BTN_LEFT && state_w == WL_POINTER_BUTTON_STATE_PRESSED) {
		if (idle_inhibitor) {
			zwp_idle_inhibitor_v1_destroy(idle_inhibitor);
			idle_inhibitor = NULL;
		} else {
			idle_inhibitor = zwp_idle_inhibit_manager_v1_create_inhibitor(
					idle_inhibit_manager, surface);
		}
	}

	draw();
}

static void pointer_handle_enter(void *data, struct wl_pointer *wl_pointer,
		uint32_t serial, struct wl_surface *surface,
		wl_fixed_t surface_x, wl_fixed_t surface_y) {
	// This space intentionally left blank
}

static void pointer_handle_leave(void *data, struct wl_pointer *wl_pointer,
		uint32_t serial, struct wl_surface *surface) {
	// This space intentionally left blank
}

static void pointer_handle_motion(void *data, struct wl_pointer *wl_pointer,
		uint32_t time, wl_fixed_t surface_x, wl_fixed_t surface_y) {
	// This space intentionally left blank
}

static void pointer_handle_axis(void *data, struct wl_pointer *wl_pointer,
		uint32_t time, uint32_t axis, wl_fixed_t value) {
	// This space intentionally left blank
}

static void pointer_handle_frame(void *data, struct wl_pointer *wl_pointer) {
	// This space intentionally left blank
}

static void pointer_handle_axis_source(void *data,
		struct wl_pointer *wl_pointer, uint32_t axis_source) {
	// This space intentionally left blank
}

static void pointer_handle_axis_stop(void *data,
		struct wl_pointer *wl_pointer, uint32_t time, uint32_t axis) {
	// This space intentionally left blank
}

static void pointer_handle_axis_discrete(void *data,
		struct wl_pointer *wl_pointer, uint32_t axis, int32_t discrete) {
	// This space intentionally left blank
}

static const struct wl_pointer_listener pointer_listener = {
	.enter = pointer_handle_enter,
	.leave = pointer_handle_leave,
	.motion = pointer_handle_motion,
	.button = pointer_handle_button,
	.axis = pointer_handle_axis,
	.frame = pointer_handle_frame,
	.axis_source = pointer_handle_axis_source,
	.axis_stop = pointer_handle_axis_stop,
	.axis_discrete = pointer_handle_axis_discrete,
};

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);
	draw();
}

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(EXIT_SUCCESS);
}

static const struct xdg_toplevel_listener xdg_toplevel_listener = {
	.configure = xdg_toplevel_handle_configure,
	.close = xdg_toplevel_handle_close,
};

static void handle_global(void *data, struct wl_registry *registry,
		uint32_t name, const char *interface, uint32_t version) {
	if (strcmp(interface, "wl_compositor") == 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, zwp_idle_inhibit_manager_v1_interface.name) == 0) {
		idle_inhibit_manager = wl_registry_bind(registry, name,
			&zwp_idle_inhibit_manager_v1_interface, 1);
	} else if (strcmp(interface, wl_seat_interface.name) == 0) {
		seat = wl_registry_bind(registry, name, &wl_seat_interface, version);
	}
}

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);
	if (display == NULL) {
		fprintf(stderr, "Failed to create display\n");
		return EXIT_FAILURE;
	}

	struct wl_registry *registry = wl_display_get_registry(display);
	wl_registry_add_listener(registry, &registry_listener, NULL);
	wl_display_roundtrip(display);

	if (compositor == NULL) {
		fprintf(stderr, "wl-compositor not available\n");
		return EXIT_FAILURE;
	}
	if (wm_base == NULL) {
		fprintf(stderr, "xdg-shell not available\n");
		return EXIT_FAILURE;
	}
	if (idle_inhibit_manager == NULL) {
		fprintf(stderr, "idle-inhibit not available\n");
		return EXIT_FAILURE;
	}

	EGLint attribs[] = { EGL_NONE };
	wlr_egl_init(&egl, EGL_PLATFORM_WAYLAND_EXT, display, attribs, 0);

	struct wl_surface *surface = wl_compositor_create_surface(compositor);
	struct xdg_surface *xdg_surface =
		xdg_wm_base_get_xdg_surface(wm_base, surface);
	struct xdg_toplevel *xdg_toplevel = xdg_surface_get_toplevel(xdg_surface);

	idle_inhibitor =
		zwp_idle_inhibit_manager_v1_create_inhibitor(idle_inhibit_manager,
		surface);

	struct wl_pointer *pointer = wl_seat_get_pointer(seat);
	wl_pointer_add_listener(pointer, &pointer_listener, surface);


	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 = wlr_egl_create_surface(&egl, egl_window);

	wl_display_roundtrip(display);

	draw();

	while (wl_display_dispatch(display) != -1) {
		// This space intentionally left blank
	}

	return EXIT_SUCCESS;
}