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#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, ®istry_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 };
egl = wlr_egl_create(EGL_PLATFORM_WAYLAND_EXT, display, attribs);
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;
}
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