Derive client from simple-shm and hook up the API defined in wayland-protocols to allow client screensaver inhibition requests. v5: + Add simple-idle client demo + Add command line options to delay creation/destruction of inhibitor Signed-off-by: Bryce Harrington <bryce@osg.samsung.com>dev
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/*
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* Copyright © 2016 Samsung Electronics Co., Ltd |
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* Copyright © 2011 Benjamin Franzke |
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* Copyright © 2010 Intel Corporation |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice (including the next |
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* paragraph) shall be included in all copies or substantial portions of the |
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* Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
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* DEALINGS IN THE SOFTWARE. |
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*/ |
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/**
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* \file simple-idle.c |
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* \brief Demonstrate the use of Wayland's idle behavior inhibition protocol |
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* |
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* \author Bryce Harrington |
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*/ |
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#include "config.h" |
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#include <stdint.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <string.h> |
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#include <stdbool.h> |
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#include <assert.h> |
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#include <signal.h> |
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#include <unistd.h> |
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#include <sys/mman.h> |
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#include <wayland-client.h> |
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#include "shared/config-parser.h" |
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#include "shared/helpers.h" |
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#include "shared/os-compatibility.h" |
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#include "shared/zalloc.h" |
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#include "xdg-shell-unstable-v6-client-protocol.h" |
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#include "idle-inhibit-unstable-v1-client-protocol.h" |
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/** display help message */ |
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static bool opt_help = false; |
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/** print extra output to stdout */ |
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static bool opt_verbose = false; |
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/** Delay this many milliseconds when the inhibitor is requested */ |
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static int opt_inhibitor_creation_delay = 0; |
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/** if non-negative, destroy the inhibitor after this many milliseconds have elapsed since program start */ |
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static int opt_inhibitor_destruction_delay = -1; |
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struct display { |
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struct wl_display *display; |
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struct wl_registry *registry; |
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struct wl_compositor *compositor; |
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struct zxdg_shell_v6 *shell; |
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struct zwp_idle_inhibit_manager_v1 *idle_inhibit_manager; |
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struct wl_shm *shm; |
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bool has_xrgb; |
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}; |
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struct buffer { |
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struct wl_buffer *buffer; |
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void *shm_data; |
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int busy; |
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}; |
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struct window { |
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struct display *display; |
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int width, height; |
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struct wl_surface *surface; |
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struct zxdg_surface_v6 *xdg_surface; |
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struct zxdg_toplevel_v6 *xdg_toplevel; |
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struct buffer buffers[2]; |
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struct buffer *prev_buffer; |
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struct wl_callback *callback; |
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bool wait_for_configure; |
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struct zwp_idle_inhibitor_v1 *inhibitor; |
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}; |
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static int running = 1; |
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static void |
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frame_callback(void *data, struct wl_callback *callback, uint32_t time); |
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static void |
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redraw(void *data, struct wl_callback *callback, uint32_t time); |
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static void |
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buffer_release(void *data, struct wl_buffer *buffer) |
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{ |
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struct buffer *mybuf = data; |
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mybuf->busy = 0; |
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} |
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static const struct wl_buffer_listener buffer_listener = { |
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buffer_release |
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}; |
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static int |
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create_shm_buffer(struct display *display, struct buffer *buffer, |
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int width, int height, uint32_t format) |
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{ |
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struct wl_shm_pool *pool; |
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int fd, size, stride; |
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void *data; |
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stride = width * 4; |
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size = stride * height; |
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fd = os_create_anonymous_file(size); |
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if (fd < 0) { |
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fprintf(stderr, "creating a buffer file for %d B failed: %m\n", |
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size); |
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return -1; |
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} |
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data = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); |
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if (data == MAP_FAILED) { |
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fprintf(stderr, "mmap failed: %m\n"); |
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close(fd); |
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return -1; |
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} |
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pool = wl_shm_create_pool(display->shm, fd, size); |
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buffer->buffer = wl_shm_pool_create_buffer(pool, 0, |
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width, height, |
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stride, format); |
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wl_buffer_add_listener(buffer->buffer, &buffer_listener, buffer); |
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wl_shm_pool_destroy(pool); |
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close(fd); |
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buffer->shm_data = data; |
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return 0; |
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} |
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static void |
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handle_xdg_surface_configure(void *data, struct zxdg_surface_v6 *surface, |
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uint32_t serial) |
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{ |
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struct window *window = data; |
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zxdg_surface_v6_ack_configure(surface, serial); |
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if (window->wait_for_configure) { |
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redraw(window, NULL, 0); |
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window->wait_for_configure = false; |
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} |
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} |
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static const struct zxdg_surface_v6_listener xdg_surface_listener = { |
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handle_xdg_surface_configure, |
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}; |
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static void |
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handle_xdg_toplevel_configure(void *data, struct zxdg_toplevel_v6 *xdg_toplevel, |
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int32_t width, int32_t height, |
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struct wl_array *state) |
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{ |
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} |
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static void |
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handle_xdg_toplevel_close(void *data, struct zxdg_toplevel_v6 *xdg_toplevel) |
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{ |
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running = 0; |
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} |
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static const struct zxdg_toplevel_v6_listener xdg_toplevel_listener = { |
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handle_xdg_toplevel_configure, |
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handle_xdg_toplevel_close, |
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}; |
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static struct window * |
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create_window(struct display *display, int width, int height) |
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{ |
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struct window *window; |
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window = zalloc(sizeof *window); |
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if (!window) |
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return NULL; |
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window->callback = NULL; |
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window->display = display; |
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window->width = width; |
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window->height = height; |
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window->surface = wl_compositor_create_surface(display->compositor); |
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if (display->shell) { |
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window->xdg_surface = |
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zxdg_shell_v6_get_xdg_surface(display->shell, |
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window->surface); |
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assert(window->xdg_surface); |
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zxdg_surface_v6_add_listener(window->xdg_surface, |
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&xdg_surface_listener, window); |
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window->xdg_toplevel = |
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zxdg_surface_v6_get_toplevel(window->xdg_surface); |
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assert(window->xdg_toplevel); |
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zxdg_toplevel_v6_add_listener(window->xdg_toplevel, |
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&xdg_toplevel_listener, window); |
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zxdg_toplevel_v6_set_title(window->xdg_toplevel, "simple-shm"); |
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wl_surface_commit(window->surface); |
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window->wait_for_configure = true; |
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} else { |
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assert(0); |
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} |
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return window; |
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} |
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static void |
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destroy_window(struct window *window) |
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{ |
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if (window->callback) |
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wl_callback_destroy(window->callback); |
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if (window->buffers[0].buffer) |
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wl_buffer_destroy(window->buffers[0].buffer); |
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if (window->buffers[1].buffer) |
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wl_buffer_destroy(window->buffers[1].buffer); |
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if (window->xdg_toplevel) |
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zxdg_toplevel_v6_destroy(window->xdg_toplevel); |
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if (window->xdg_surface) |
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zxdg_surface_v6_destroy(window->xdg_surface); |
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if (window->inhibitor) |
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zwp_idle_inhibitor_v1_destroy(window->inhibitor); |
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wl_surface_destroy(window->surface); |
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free(window); |
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} |
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static struct buffer * |
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window_next_buffer(struct window *window) |
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{ |
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struct buffer *buffer; |
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int ret = 0; |
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if (!window->buffers[0].busy) |
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buffer = &window->buffers[0]; |
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else if (!window->buffers[1].busy) |
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buffer = &window->buffers[1]; |
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else |
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return NULL; |
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if (!buffer->buffer) { |
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ret = create_shm_buffer(window->display, buffer, |
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window->width, window->height, |
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WL_SHM_FORMAT_XRGB8888); |
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if (ret < 0) |
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return NULL; |
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/* paint the padding */ |
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memset(buffer->shm_data, 0x00, |
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window->width * window->height * 4); |
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} |
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return buffer; |
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} |
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static void |
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paint_pixels(void *image, int padding, int width, int height, uint32_t time) |
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{ |
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uint32_t *pixel = image; |
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int y; |
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int last_line_factor = padding/4; |
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int tick = time/256; |
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pixel += padding * width; |
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for (y = padding; y < height - padding; y++) { |
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int x; |
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double a = 1.0 - (double)(y-padding) / (double)(height - 2*padding); |
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int indent = padding + (int)(a * (width/2.0 - padding - last_line_factor)); |
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int line_height = 2 + 8*(1 - a); |
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int fade = (int)(0xFF*(1-a)); |
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pixel += indent; |
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for (x = indent; x < width - indent; x++) { |
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if ((y + tick) % line_height > 0) { |
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*pixel++ = 0xFF000000; |
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} else { |
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*pixel++ = 0x00010100 * fade; |
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} |
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} |
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pixel += indent; |
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} |
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return; |
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} |
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static const struct wl_callback_listener frame_listener; |
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static void |
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redraw(void *data, struct wl_callback *callback, uint32_t time) |
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{ |
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struct window *window = data; |
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struct buffer *buffer; |
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buffer = window_next_buffer(window); |
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if (!buffer) { |
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fprintf(stderr, |
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!callback ? "Failed to create the first buffer.\n" : |
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"Both buffers busy at redraw(). Server bug?\n"); |
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abort(); |
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} |
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paint_pixels(buffer->shm_data, 40, window->width, window->height, time); |
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wl_surface_attach(window->surface, buffer->buffer, 0, 0); |
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wl_surface_damage(window->surface, |
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40, 40, window->width - 80, window->height - 80); |
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if (callback) |
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wl_callback_destroy(callback); |
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window->callback = wl_surface_frame(window->surface); |
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wl_callback_add_listener(window->callback, &frame_listener, window); |
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wl_surface_commit(window->surface); |
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buffer->busy = 1; |
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} |
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static void |
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frame_callback(void *data, struct wl_callback *callback, uint32_t time) |
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{ |
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static uint32_t start_time = 0; |
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struct window *window = data; |
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struct display *display = window->display; |
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static bool destroy_done = false; |
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if (start_time == 0) |
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start_time = time; |
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if (opt_verbose) |
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printf("time: %u msec\n", time - start_time); |
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/* Request the screensaver be inhibited, possibly after a user-specified delay */ |
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if (time > start_time + opt_inhibitor_creation_delay && |
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window->inhibitor == NULL && |
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display->idle_inhibit_manager && |
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destroy_done == false) { |
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if (opt_verbose) |
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printf("Requesting inhibitor\n"); |
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window->inhibitor = zwp_idle_inhibit_manager_v1_create_inhibitor( |
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display->idle_inhibit_manager, |
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window->surface); |
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} |
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/* Destroy inhibitor if user has requested an early destruction */ |
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if (opt_inhibitor_destruction_delay > 0 && |
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time > start_time + opt_inhibitor_destruction_delay && |
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window->inhibitor && |
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destroy_done == false) { |
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if (opt_verbose) |
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printf("Destroying inhibitor\n"); |
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zwp_idle_inhibitor_v1_destroy(window->inhibitor); |
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window->inhibitor = NULL; |
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destroy_done = true; |
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} |
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redraw(window, callback, time); |
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} |
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static const struct wl_callback_listener frame_listener = { |
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frame_callback |
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}; |
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static void |
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shm_format(void *data, struct wl_shm *wl_shm, uint32_t format) |
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{ |
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struct display *d = data; |
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if (format == WL_SHM_FORMAT_XRGB8888) |
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d->has_xrgb = true; |
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} |
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struct wl_shm_listener shm_listener = { |
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shm_format |
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}; |
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static void |
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xdg_shell_ping(void *data, struct zxdg_shell_v6 *shell, uint32_t serial) |
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{ |
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zxdg_shell_v6_pong(shell, serial); |
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} |
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static const struct zxdg_shell_v6_listener xdg_shell_listener = { |
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xdg_shell_ping, |
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}; |
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static void |
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registry_handle_global(void *data, struct wl_registry *registry, |
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uint32_t id, const char *interface, uint32_t version) |
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{ |
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struct display *d = data; |
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if (strcmp(interface, "wl_compositor") == 0) { |
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d->compositor = |
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wl_registry_bind(registry, |
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id, &wl_compositor_interface, 1); |
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} else if (strcmp(interface, "zxdg_shell_v6") == 0) { |
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d->shell = wl_registry_bind(registry, |
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id, &zxdg_shell_v6_interface, 1); |
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zxdg_shell_v6_add_listener(d->shell, &xdg_shell_listener, d); |
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} else if (strcmp(interface, "wl_shm") == 0) { |
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d->shm = wl_registry_bind(registry, |
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id, &wl_shm_interface, 1); |
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wl_shm_add_listener(d->shm, &shm_listener, d); |
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} else if (strcmp(interface, "zwp_idle_inhibit_manager_v1") == 0) { |
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d->idle_inhibit_manager = wl_registry_bind(registry, |
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id, &zwp_idle_inhibit_manager_v1_interface, 1); |
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} |
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} |
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static void |
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registry_handle_global_remove(void *data, struct wl_registry *registry, |
||||||
|
uint32_t name) |
||||||
|
{ |
||||||
|
} |
||||||
|
|
||||||
|
static const struct wl_registry_listener registry_listener = { |
||||||
|
registry_handle_global, |
||||||
|
registry_handle_global_remove |
||||||
|
}; |
||||||
|
|
||||||
|
static struct display * |
||||||
|
create_display(void) |
||||||
|
{ |
||||||
|
struct display *display; |
||||||
|
|
||||||
|
display = malloc(sizeof *display); |
||||||
|
if (display == NULL) { |
||||||
|
fprintf(stderr, "out of memory\n"); |
||||||
|
exit(1); |
||||||
|
} |
||||||
|
display->display = wl_display_connect(NULL); |
||||||
|
assert(display->display); |
||||||
|
|
||||||
|
display->has_xrgb = false; |
||||||
|
display->registry = wl_display_get_registry(display->display); |
||||||
|
wl_registry_add_listener(display->registry, |
||||||
|
®istry_listener, display); |
||||||
|
wl_display_roundtrip(display->display); |
||||||
|
if (display->shm == NULL) { |
||||||
|
fprintf(stderr, "No wl_shm global\n"); |
||||||
|
exit(1); |
||||||
|
} |
||||||
|
wl_display_roundtrip(display->display); |
||||||
|
|
||||||
|
if (!display->has_xrgb) { |
||||||
|
fprintf(stderr, "WL_SHM_FORMAT_XRGB32 not available\n"); |
||||||
|
exit(1); |
||||||
|
} |
||||||
|
|
||||||
|
return display; |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
destroy_display(struct display *display) |
||||||
|
{ |
||||||
|
if (display->idle_inhibit_manager) |
||||||
|
zwp_idle_inhibit_manager_v1_destroy(display->idle_inhibit_manager); |
||||||
|
|
||||||
|
if (display->shm) |
||||||
|
wl_shm_destroy(display->shm); |
||||||
|
|
||||||
|
if (display->shell) |
||||||
|
zxdg_shell_v6_destroy(display->shell); |
||||||
|
|
||||||
|
if (display->compositor) |
||||||
|
wl_compositor_destroy(display->compositor); |
||||||
|
|
||||||
|
wl_registry_destroy(display->registry); |
||||||
|
wl_display_flush(display->display); |
||||||
|
wl_display_disconnect(display->display); |
||||||
|
free(display); |
||||||
|
} |
||||||
|
|
||||||
|
static void |
||||||
|
signal_int(int signum) |
||||||
|
{ |
||||||
|
running = 0; |
||||||
|
} |
||||||
|
|
||||||
|
/**
|
||||||
|
* \brief command line options for simple-idle |
||||||
|
*/ |
||||||
|
static const struct weston_option simple_idle_options[] = { |
||||||
|
{ WESTON_OPTION_BOOLEAN, "help", 'h', &opt_help }, |
||||||
|
{ WESTON_OPTION_BOOLEAN, "verbose", 'V', &opt_verbose }, |
||||||
|
{ WESTON_OPTION_INTEGER, "inhibitor-creation-delay", 'c', &opt_inhibitor_creation_delay }, |
||||||
|
{ WESTON_OPTION_INTEGER, "inhibitor-destruction-delay", 'd', &opt_inhibitor_destruction_delay }, |
||||||
|
}; |
||||||
|
|
||||||
|
int |
||||||
|
main(int argc, char **argv) |
||||||
|
{ |
||||||
|
struct sigaction sigint; |
||||||
|
struct display *display; |
||||||
|
struct window *window; |
||||||
|
int ret = 0; |
||||||
|
|
||||||
|
ret = parse_options(simple_idle_options, |
||||||
|
ARRAY_LENGTH(simple_idle_options), &argc, argv); |
||||||
|
if (ret > 1 || opt_help) { |
||||||
|
unsigned k; |
||||||
|
printf("Usage: %s [OPTIONS]\n\n", argv[0]); |
||||||
|
for (k = 0; k < ARRAY_LENGTH(simple_idle_options); k++) { |
||||||
|
const struct weston_option* p = &simple_idle_options[k]; |
||||||
|
if (p->short_name && p->name) { |
||||||
|
if (p->type != WESTON_OPTION_BOOLEAN) |
||||||
|
printf(" -%c VALUE, --%s=VALUE\n", p->short_name, p->name); |
||||||
|
else |
||||||
|
printf(" -%c, --%s\n", p->short_name, p->name); |
||||||
|
} else if (p->short_name) { |
||||||
|
printf(" -%c", p->short_name); |
||||||
|
if (p->type != WESTON_OPTION_BOOLEAN) |
||||||
|
printf(" VALUE"); |
||||||
|
putchar('\n'); |
||||||
|
} else if (p->name) { |
||||||
|
printf(" --%s", p->name); |
||||||
|
if (p->type != WESTON_OPTION_BOOLEAN) |
||||||
|
printf("=VALUE"); |
||||||
|
putchar('\n'); |
||||||
|
} |
||||||
|
} |
||||||
|
return 1; |
||||||
|
} |
||||||
|
|
||||||
|
display = create_display(); |
||||||
|
window = create_window(display, 250, 250); |
||||||
|
if (!window) |
||||||
|
return 1; |
||||||
|
|
||||||
|
sigint.sa_handler = signal_int; |
||||||
|
sigemptyset(&sigint.sa_mask); |
||||||
|
sigint.sa_flags = SA_RESETHAND; |
||||||
|
sigaction(SIGINT, &sigint, NULL); |
||||||
|
|
||||||
|
/* Initialise damage to full surface, so the padding gets painted */ |
||||||
|
wl_surface_damage(window->surface, 0, 0, |
||||||
|
window->width, window->height); |
||||||
|
|
||||||
|
if (!window->wait_for_configure) |
||||||
|
redraw(window, NULL, 0); |
||||||
|
|
||||||
|
while (running && ret != -1) |
||||||
|
ret = wl_display_dispatch(display->display); |
||||||
|
|
||||||
|
fprintf(stderr, "simple-idle exiting\n"); |
||||||
|
|
||||||
|
destroy_window(window); |
||||||
|
destroy_display(display); |
||||||
|
|
||||||
|
return 0; |
||||||
|
} |
Loading…
Reference in new issue