xwayland: fix style issues
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a39b091bd9
commit
3391e5b634
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@ -10,7 +10,9 @@ struct wlr_compositor {
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struct wl_list surfaces;
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struct wl_listener destroy_surface_listener;
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struct wl_signal create_surface_signal;
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struct {
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struct wl_signal create_surface;
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} events;
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};
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void wlr_compositor_destroy(struct wlr_compositor *wlr_compositor);
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@ -22,7 +22,7 @@ static void wl_compositor_create_surface(struct wl_client *client,
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wl_resource_add_destroy_listener(surface_resource, &surface->compositor_listener);
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wl_list_insert(&compositor->surfaces, wl_resource_get_link(surface_resource));
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wl_signal_emit(&compositor->create_surface_signal, surface);
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wl_signal_emit(&compositor->events.create_surface, surface);
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}
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static void wl_compositor_create_region(struct wl_client *client,
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@ -81,6 +81,6 @@ struct wlr_compositor *wlr_compositor_create(struct wl_display *display,
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compositor->renderer = renderer;
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wl_list_init(&compositor->wl_resources);
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wl_list_init(&compositor->surfaces);
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wl_signal_init(&compositor->create_surface_signal);
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wl_signal_init(&compositor->events.create_surface);
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return compositor;
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}
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@ -1,5 +1,5 @@
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#define _XOPEN_SOURCE 700
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#define _GNU_SOURCE
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#define _DEFAULT_SOURCE
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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@ -7,6 +7,7 @@
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#include <signal.h>
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#include <sys/socket.h>
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#include <time.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <wayland-server.h>
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#include "wlr/util/log.h"
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@ -28,6 +29,27 @@ static int unset_cloexec(int fd) {
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return 0;
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}
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static int fill_arg(char ***argv, const char *fmt, ...) {
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int len;
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char **cur_arg = *argv;
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va_list args;
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va_start(args, fmt);
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len = vsnprintf(NULL, 0, fmt, args) + 1;
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va_end(args);
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while (*cur_arg) {
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cur_arg++;
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}
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*cur_arg = malloc(len);
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if (!*cur_arg) {
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return -1;
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}
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*argv = cur_arg;
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va_start(args, fmt);
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len = vsnprintf(*cur_arg, len, fmt, args);
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va_end(args);
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return len;
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}
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static void exec_xwayland(struct wlr_xwayland *wlr_xwayland) {
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if (unset_cloexec(wlr_xwayland->x_fd[0]) ||
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unset_cloexec(wlr_xwayland->x_fd[1]) ||
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@ -39,27 +61,20 @@ static void exec_xwayland(struct wlr_xwayland *wlr_xwayland) {
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/* Make Xwayland signal us when it's ready */
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signal(SIGUSR1, SIG_IGN);
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char *argv[11] = { 0 };
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argv[0] = "Xwayland";
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if (asprintf(&argv[1], ":%d", wlr_xwayland->display) < 0) {
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wlr_log_errno(L_ERROR, "asprintf failed");
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exit(EXIT_FAILURE);
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}
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argv[2] = "-rootless";
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argv[3] = "-terminate";
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argv[4] = "-listen";
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if (asprintf(&argv[5], "%d", wlr_xwayland->x_fd[0]) < 0) {
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wlr_log_errno(L_ERROR, "asprintf failed");
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exit(EXIT_FAILURE);
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}
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argv[6] = "-listen";
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if (asprintf(&argv[7], "%d", wlr_xwayland->x_fd[1]) < 0) {
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wlr_log_errno(L_ERROR, "asprintf failed");
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exit(EXIT_FAILURE);
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}
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argv[8] = "-wm";
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if (asprintf(&argv[9], "%d", wlr_xwayland->wm_fd[1]) < 0) {
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wlr_log_errno(L_ERROR, "asprintf failed");
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char *argv[] = {
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"Xwayland", NULL /* display, e.g. :1 */,
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"-rootless", "-terminate",
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"-listen", NULL /* x_fd[0] */,
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"-listen", NULL /* x_fd[1] */,
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"-wm", NULL /* wm_fd[1] */,
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NULL };
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char **cur_arg = argv;
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if (fill_arg(&cur_arg, ":%d", wlr_xwayland->display) < 0 ||
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fill_arg(&cur_arg, "%d", wlr_xwayland->x_fd[0]) < 0 ||
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fill_arg(&cur_arg, "%d", wlr_xwayland->x_fd[1]) < 0 ||
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fill_arg(&cur_arg, "%d", wlr_xwayland->wm_fd[1]) < 0) {
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wlr_log_errno(L_ERROR, "alloc/print failure");
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exit(EXIT_FAILURE);
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}
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@ -69,12 +84,14 @@ static void exec_xwayland(struct wlr_xwayland *wlr_xwayland) {
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exit(EXIT_FAILURE);
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}
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char *envp[3] = { 0 };
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if (asprintf(&envp[0], "XDG_RUNTIME_DIR=%s", xdg_runtime) < 0 ||
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asprintf(&envp[1], "WAYLAND_SOCKET=%d", wlr_xwayland->wl_fd[1]) < 0) {
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wlr_log_errno(L_ERROR, "asprintf failed");
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if (clearenv()) {
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wlr_log_errno(L_ERROR, "clearenv failed");
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exit(EXIT_FAILURE);
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}
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setenv("XDG_RUNTIME_DIR", xdg_runtime, true);
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char wayland_socket_str[16];
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snprintf(wayland_socket_str, sizeof(wayland_socket_str), "%d", wlr_xwayland->wl_fd[1]);
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setenv("WAYLAND_SOCKET", wayland_socket_str, true);
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wlr_log(L_INFO, "Xwayland :%d -rootless -terminate -listen %d -listen %d -wm %d",
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wlr_xwayland->display, wlr_xwayland->x_fd[0], wlr_xwayland->x_fd[1],
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@ -82,7 +99,7 @@ static void exec_xwayland(struct wlr_xwayland *wlr_xwayland) {
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// TODO: close stdout/err depending on log level
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execvpe("Xwayland", argv, envp);
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execvp("Xwayland", argv);
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}
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static bool wlr_xwayland_init(struct wlr_xwayland *wlr_xwayland,
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@ -108,7 +125,6 @@ static struct wl_listener xwayland_destroy_listener = {
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};
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static void wlr_xwayland_finish(struct wlr_xwayland *wlr_xwayland) {
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if (wlr_xwayland->client) {
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wl_list_remove(&xwayland_destroy_listener.link);
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wl_client_destroy(wlr_xwayland->client);
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@ -118,6 +134,9 @@ static void wlr_xwayland_finish(struct wlr_xwayland *wlr_xwayland) {
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wl_event_source_remove(wlr_xwayland->sigusr1_source);
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}
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// TODO: destroy all these windows, for now just cleanup
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wl_list_init(&wlr_xwayland->displayable_windows);
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xwm_destroy(wlr_xwayland->xwm);
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safe_close(wlr_xwayland->x_fd[0]);
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@ -129,7 +148,9 @@ static void wlr_xwayland_finish(struct wlr_xwayland *wlr_xwayland) {
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unlink_display_sockets(wlr_xwayland->display);
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unsetenv("DISPLAY");
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/* kill Xwayland process? */
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/* We do not kill the Xwayland process, it dies because of broken pipe
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* after we close our side of the wm/wl fds. This is more reliable than
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* trying to kill something that might no longer be Xwayland */
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}
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static int xserver_handle_ready(int signal_number, void *data) {
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@ -150,7 +171,7 @@ static int xserver_handle_ready(int signal_number, void *data) {
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snprintf(display_name, sizeof(display_name), ":%d", wlr_xwayland->display);
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setenv("DISPLAY", display_name, true);
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return 1;
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return 1; /* wayland event loop dispatcher's count */
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}
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static bool wlr_xwayland_init(struct wlr_xwayland *wlr_xwayland,
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@ -69,7 +69,6 @@ static bool xcb_call(struct wlr_xwm *xwm, const char *func, uint32_t line,
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static void map_shell_surface(struct wlr_xwm *xwm, struct wlr_x11_window *window,
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struct wlr_surface *surface) {
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// get xcb geometry for depth = alpha channel
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window->surface = surface->resource;
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@ -206,7 +205,8 @@ static int x11_event_handler(int fd, uint32_t mask, void *data) {
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break;
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default:
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wlr_log(L_DEBUG, "X11 event: %d",
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event->response_type & XCB_EVENT_RESPONSE_TYPE_MASK);
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event->response_type & XCB_EVENT_RESPONSE_TYPE_MASK);
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break;
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}
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}
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@ -214,8 +214,7 @@ static int x11_event_handler(int fd, uint32_t mask, void *data) {
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return count;
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}
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static void create_surface_handler(struct wl_listener *listener, void *data)
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{
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static void create_surface_handler(struct wl_listener *listener, void *data) {
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struct wlr_surface *surface = data;
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struct wlr_xwm *xwm = wl_container_of(listener, xwm, surface_create_listener);
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struct wlr_x11_window *window;
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@ -272,8 +271,12 @@ static void xcb_init_wm(struct wlr_xwm *xwm) {
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xwm->window = xcb_generate_id(xwm->xcb_conn);
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uint32_t values[] = { XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY | XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT | XCB_EVENT_MASK_PROPERTY_CHANGE,
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/* , xwm->cursor */ };
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uint32_t values[] = {
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XCB_EVENT_MASK_SUBSTRUCTURE_NOTIFY |
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XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT |
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XCB_EVENT_MASK_PROPERTY_CHANGE,
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/* xwm->cursor, */
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};
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XCB_CALL(xwm, xcb_change_window_attributes_checked(xwm->xcb_conn, xwm->screen->root,
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XCB_CW_EVENT_MASK /* | XCB_CW_CURSOR */, values));
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XCB_CALL(xwm, xcb_composite_redirect_subwindows_checked(xwm->xcb_conn,
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@ -334,7 +337,7 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland) {
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xcb_init_wm(xwm);
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xwm->surface_create_listener.notify = create_surface_handler;
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wl_signal_add(&wlr_xwayland->compositor->create_surface_signal,
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wl_signal_add(&wlr_xwayland->compositor->events.create_surface,
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&xwm->surface_create_listener);
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return xwm;
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