mirror of
https://gitlab.freedesktop.org/wayland/wayland.git
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107 lines
3 KiB
C
107 lines
3 KiB
C
/*
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* Copyright © 2008 Kristian Høgsberg
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that copyright
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* notice and this permission notice appear in supporting documentation, and
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* that the name of the copyright holders not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. The copyright holders make no representations
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* about the suitability of this software for any purpose. It is provided "as
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* is" without express or implied warranty.
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*
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* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include <stdint.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <fcntl.h>
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#include <glib.h>
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#include "wayland-client.h"
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#include "wayland-glib.h"
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/* The screenshooter is a good example of a custom object exposed by
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* the compositor and serves as a test bed for implementing client
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* side marshalling outside libwayland.so */
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static const char socket_name[] = "\0wayland";
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struct screenshooter {
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uint32_t id;
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struct wl_display *display;
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};
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static struct screenshooter *
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screenshooter_create(struct wl_display *display)
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{
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struct screenshooter *screenshooter;
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uint32_t id;
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id = wl_display_get_object_id(display, "screenshooter", 1);
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if (id == 0) {
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fprintf(stderr, "server doesn't support screenshooter interface\n");
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return NULL;
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}
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screenshooter = malloc(sizeof screenshooter);
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if (screenshooter == NULL)
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return NULL;
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screenshooter->id = id;
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screenshooter->display = display;
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return screenshooter;
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}
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#define SCREENSHOOTER_SHOOT 0
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static void
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screenshooter_shoot(struct screenshooter *screenshooter)
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{
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uint32_t request[2];
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request[0] = screenshooter->id;
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request[1] = SCREENSHOOTER_SHOOT | ((sizeof request) << 16);
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wl_display_write(screenshooter->display,
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request, sizeof request);
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}
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int main(int argc, char *argv[])
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{
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struct wl_display *display;
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GMainLoop *loop;
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GSource *source;
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struct screenshooter *s;
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display = wl_display_create(socket_name, sizeof socket_name);
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if (display == NULL) {
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fprintf(stderr, "failed to create display: %m\n");
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return -1;
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}
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wl_display_iterate(display, WL_DISPLAY_READABLE);
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loop = g_main_loop_new(NULL, FALSE);
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source = wl_glib_source_new(display);
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g_source_attach(source, NULL);
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s = screenshooter_create(display);
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if (s == NULL)
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exit(-1);
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screenshooter_shoot(s);
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g_idle_add((GSourceFunc) g_main_loop_quit, loop);
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g_main_loop_run(loop);
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return 0;
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}
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