From e519635cc265abd9e1240c101dc293a06a78e359 Mon Sep 17 00:00:00 2001 From: Simon Ser Date: Mon, 9 Oct 2023 10:58:00 +0200 Subject: [PATCH] xwayland: add wlr_xwayland_create_with_server() Allows compositors to set up the server (and shell) on their own. --- include/wlr/xwayland/xwayland.h | 7 +++ xwayland/xwayland.c | 85 ++++++++++++++++++++++----------- 2 files changed, 65 insertions(+), 27 deletions(-) diff --git a/include/wlr/xwayland/xwayland.h b/include/wlr/xwayland/xwayland.h index 68c8c0ac..240ee3a5 100644 --- a/include/wlr/xwayland/xwayland.h +++ b/include/wlr/xwayland/xwayland.h @@ -22,6 +22,7 @@ struct wlr_drag; struct wlr_xwayland { struct wlr_xwayland_server *server; + bool own_server; struct wlr_xwm *xwm; struct wlr_xwayland_shell_v1 *shell_v1; struct wlr_xwayland_cursor *cursor; @@ -200,6 +201,12 @@ struct wlr_xwayland_minimize_event { struct wlr_xwayland *wlr_xwayland_create(struct wl_display *wl_display, struct wlr_compositor *compositor, bool lazy); +/** + * Create an XWM from an existing Xwayland server. + */ +struct wlr_xwayland *wlr_xwayland_create_with_server(struct wl_display *display, + struct wlr_compositor *compositor, struct wlr_xwayland_server *server); + void wlr_xwayland_destroy(struct wlr_xwayland *wlr_xwayland); void wlr_xwayland_set_cursor(struct wlr_xwayland *wlr_xwayland, diff --git a/xwayland/xwayland.c b/xwayland/xwayland.c index 98d00fc4..0ffc1fef 100644 --- a/xwayland/xwayland.c +++ b/xwayland/xwayland.c @@ -1,4 +1,5 @@ #define _POSIX_C_SOURCE 200809L +#include #include #include #include @@ -37,15 +38,14 @@ static void handle_server_destroy(struct wl_listener *listener, void *data) { static void handle_server_start(struct wl_listener *listener, void *data) { struct wlr_xwayland *xwayland = wl_container_of(listener, xwayland, server_start); - wlr_xwayland_shell_v1_set_client(xwayland->shell_v1, xwayland->server->client); + if (xwayland->shell_v1 != NULL) { + wlr_xwayland_shell_v1_set_client(xwayland->shell_v1, xwayland->server->client); + } } -static void handle_server_ready(struct wl_listener *listener, void *data) { - struct wlr_xwayland *xwayland = - wl_container_of(listener, xwayland, server_ready); - struct wlr_xwayland_server_ready_event *event = data; - - xwayland->xwm = xwm_create(xwayland, event->wm_fd); +static void xwayland_mark_ready(struct wlr_xwayland *xwayland) { + assert(xwayland->server->wm_fd[0] >= 0); + xwayland->xwm = xwm_create(xwayland, xwayland->server->wm_fd[0]); if (!xwayland->xwm) { return; } @@ -63,6 +63,12 @@ static void handle_server_ready(struct wl_listener *listener, void *data) { wl_signal_emit_mutable(&xwayland->events.ready, NULL); } +static void handle_server_ready(struct wl_listener *listener, void *data) { + struct wlr_xwayland *xwayland = + wl_container_of(listener, xwayland, server_ready); + xwayland_mark_ready(xwayland); +} + static void handle_shell_destroy(struct wl_listener *listener, void *data) { struct wlr_xwayland *xwayland = wl_container_of(listener, xwayland, shell_destroy); @@ -81,14 +87,16 @@ void wlr_xwayland_destroy(struct wlr_xwayland *xwayland) { free(xwayland->cursor); wlr_xwayland_set_seat(xwayland, NULL); - wlr_xwayland_server_destroy(xwayland->server); + if (xwayland->own_server) { + wlr_xwayland_server_destroy(xwayland->server); + } xwayland->server = NULL; wlr_xwayland_shell_v1_destroy(xwayland->shell_v1); free(xwayland); } -struct wlr_xwayland *wlr_xwayland_create(struct wl_display *wl_display, - struct wlr_compositor *compositor, bool lazy) { +struct wlr_xwayland *wlr_xwayland_create_with_server(struct wl_display *wl_display, + struct wlr_compositor *compositor, struct wlr_xwayland_server *server) { struct wlr_xwayland *xwayland = calloc(1, sizeof(*xwayland)); if (!xwayland) { return NULL; @@ -101,9 +109,31 @@ struct wlr_xwayland *wlr_xwayland_create(struct wl_display *wl_display, wl_signal_init(&xwayland->events.ready); wl_signal_init(&xwayland->events.remove_startup_info); - xwayland->shell_v1 = wlr_xwayland_shell_v1_create(wl_display, 1); - if (xwayland->shell_v1 == NULL) { - free(xwayland); + xwayland->server = server; + xwayland->display_name = xwayland->server->display_name; + + xwayland->server_destroy.notify = handle_server_destroy; + wl_signal_add(&xwayland->server->events.destroy, &xwayland->server_destroy); + + xwayland->server_start.notify = handle_server_start; + wl_signal_add(&xwayland->server->events.start, &xwayland->server_start); + + xwayland->server_ready.notify = handle_server_ready; + wl_signal_add(&xwayland->server->events.ready, &xwayland->server_ready); + + wl_list_init(&xwayland->shell_destroy.link); + + if (server->ready) { + xwayland_mark_ready(xwayland); + } + + return xwayland; +} + +struct wlr_xwayland *wlr_xwayland_create(struct wl_display *wl_display, + struct wlr_compositor *compositor, bool lazy) { + struct wlr_xwayland_shell_v1 *shell_v1 = wlr_xwayland_shell_v1_create(wl_display, 1); + if (shell_v1 == NULL) { return NULL; } @@ -114,28 +144,29 @@ struct wlr_xwayland *wlr_xwayland_create(struct wl_display *wl_display, .terminate_delay = lazy ? 10 : 0, #endif }; - xwayland->server = wlr_xwayland_server_create(wl_display, &options); - if (xwayland->server == NULL) { - wlr_xwayland_shell_v1_destroy(xwayland->shell_v1); - free(xwayland); - return NULL; + struct wlr_xwayland_server *server = wlr_xwayland_server_create(wl_display, &options); + if (server == NULL) { + goto error_shell_v1; } - xwayland->display_name = xwayland->server->display_name; - - xwayland->server_destroy.notify = handle_server_destroy; - wl_signal_add(&xwayland->server->events.destroy, &xwayland->server_destroy); - - xwayland->server_start.notify = handle_server_start; - wl_signal_add(&xwayland->server->events.start, &xwayland->server_start); + struct wlr_xwayland *xwayland = wlr_xwayland_create_with_server(wl_display, compositor, server); + if (xwayland == NULL) { + goto error_server; + } - xwayland->server_ready.notify = handle_server_ready; - wl_signal_add(&xwayland->server->events.ready, &xwayland->server_ready); + xwayland->shell_v1 = shell_v1; + xwayland->own_server = true; xwayland->shell_destroy.notify = handle_shell_destroy; wl_signal_add(&xwayland->shell_v1->events.destroy, &xwayland->shell_destroy); return xwayland; + +error_server: + wlr_xwayland_server_destroy(server); +error_shell_v1: + wlr_xwayland_shell_v1_destroy(shell_v1); + return NULL; } void wlr_xwayland_set_cursor(struct wlr_xwayland *xwayland,