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#define _POSIX_C_SOURCE 200112L
#include <wayland-client.h>
#include "xdg-shell-client-protocol.h"
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
struct wl_display *display = NULL;
struct wl_registry *registry = NULL;
struct wl_compositor *compositor = NULL;
struct xdg_wm_base *wm_base = NULL;
struct wl_surface *surface = NULL;
struct xdg_surface *xdg_surface = NULL;
struct xdg_toplevel *xdg_toplevel = NULL;
static void xdg_wm_base_ping(void *data, struct xdg_wm_base *xdg_wm_base, uint32_t serial)
{
xdg_wm_base_pong(xdg_wm_base, serial);
}
static const struct xdg_wm_base_listener wm_base_listener = {
.ping = xdg_wm_base_ping,
};
static void xdg_surface_configure(void *data, struct xdg_surface *xdg_surface, uint32_t serial)
{
xdg_surface_ack_configure(xdg_surface, serial);
}
static const struct xdg_surface_listener xdg_surface_listener = {
.configure = xdg_surface_configure,
};
static void xdg_toplevel_configure(void *data, struct xdg_toplevel *xdg_toplevel,
int32_t width, int32_t height, struct wl_array *states)
{
/* just exist */
}
static void xdg_toplevel_close(void *data, struct xdg_toplevel *xdg_toplevel)
{
printf("close requested\n");
exit(0);
}
static const struct xdg_toplevel_listener xdg_toplevel_listener = {
.configure = xdg_toplevel_configure,
.close = xdg_toplevel_close,
};
static void registry_handle_global(void *data, struct wl_registry *reg, uint32_t id,
const char *interface, uint32_t version)
{
if (strcmp(interface, wl_compositor_interface.name) == 0) {
compositor = wl_registry_bind(reg, id, &wl_compositor_interface, 4);
} else if (strcmp(interface, xdg_wm_base_interface.name) == 0) {
wm_base = wl_registry_bind(reg, id, &xdg_wm_base_interface, 1);
xdg_wm_base_add_listener(wm_base, &wm_base_listener, NULL);
}
}
static void registry_handle_global_remove(void *data, struct wl_registry *reg, uint32_t id)
{
/* ignore */
}
static const struct wl_registry_listener registry_listener = {
.global = registry_handle_global,
.global_remove = registry_handle_global_remove,
};
int main(void)
{
display = wl_display_connect(NULL);
if (!display) {
fprintf(stderr, "can't connect\n");
return 1;
}
registry = wl_display_get_registry(display);
wl_registry_add_listener(registry, ®istry_listener, NULL);
wl_display_roundtrip(display);
if (!compositor || !wm_base) {
fprintf(stderr, "missing compositor or xdg_wm_base\n");
return 1;
}
surface = wl_compositor_create_surface(compositor);
xdg_surface = xdg_wm_base_get_xdg_surface(wm_base, surface);
xdg_surface_add_listener(xdg_surface, &xdg_surface_listener, NULL);
xdg_toplevel = xdg_surface_get_toplevel(xdg_surface);
xdg_toplevel_add_listener(xdg_toplevel, &xdg_toplevel_listener, NULL);
xdg_toplevel_set_title(xdg_toplevel, "wayland window");
wl_surface_commit(surface);
wl_display_roundtrip(display);
printf("window open, running...\n");
while (wl_display_dispatch(display) != -1) {
/* events handled by callbacks */
}
wl_display_disconnect(display);
return 0;
}
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