From 44c7e233ff7581c9735b03c2105d9803f9a8535f Mon Sep 17 00:00:00 2001 From: Simon Ser Date: Tue, 18 Oct 2022 12:43:45 +0200 Subject: [PATCH] xwayland: add wlr_xwayland_shell_v1_set_client() --- include/wlr/xwayland/shell.h | 9 +++++++++ xwayland/shell.c | 27 +++++++++++++++++++++++++++ 2 files changed, 36 insertions(+) diff --git a/include/wlr/xwayland/shell.h b/include/wlr/xwayland/shell.h index 50be0aae..893e5fda 100644 --- a/include/wlr/xwayland/shell.h +++ b/include/wlr/xwayland/shell.h @@ -26,7 +26,10 @@ struct wlr_xwayland_shell_v1 { // private state + struct wl_client *client; + struct wl_listener display_destroy; + struct wl_listener client_destroy; }; /** @@ -54,4 +57,10 @@ struct wlr_xwayland_surface_v1 { struct wlr_xwayland_shell_v1 *wlr_xwayland_shell_v1_create( struct wl_display *display, uint32_t version); +/** + * Allow a client to bind to the xwayland_shell_v1 global. + */ +void wlr_xwayland_shell_v1_set_client(struct wlr_xwayland_shell_v1 *shell, + struct wl_client *client); + #endif diff --git a/xwayland/shell.c b/xwayland/shell.c index d3e2fd0a..75049f64 100644 --- a/xwayland/shell.c +++ b/xwayland/shell.c @@ -143,6 +143,12 @@ static void shell_bind(struct wl_client *client, void *data, uint32_t version, uint32_t id) { struct wlr_xwayland_shell_v1 *shell = data; + if (client != shell->client) { + wl_client_post_implementation_error(client, + "Permission denied to bind to %s", xwayland_shell_v1_interface.name); + return; + } + struct wl_resource *resource = wl_resource_create(client, &xwayland_shell_v1_interface, version, id); if (resource == NULL) { @@ -156,6 +162,7 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) { struct wlr_xwayland_shell_v1 *shell = wl_container_of(listener, shell, display_destroy); wl_list_remove(&shell->display_destroy.link); + wl_list_remove(&shell->client_destroy.link); wl_global_destroy(shell->global); free(shell); } @@ -181,5 +188,25 @@ struct wlr_xwayland_shell_v1 *wlr_xwayland_shell_v1_create( shell->display_destroy.notify = handle_display_destroy; wl_display_add_destroy_listener(display, &shell->display_destroy); + wl_list_init(&shell->client_destroy.link); + return shell; } + +static void shell_handle_client_destroy(struct wl_listener *listener, void *data) { + struct wlr_xwayland_shell_v1 *shell = + wl_container_of(listener, shell, client_destroy); + wlr_xwayland_shell_v1_set_client(shell, NULL); +} + +void wlr_xwayland_shell_v1_set_client(struct wlr_xwayland_shell_v1 *shell, + struct wl_client *client) { + wl_list_remove(&shell->client_destroy.link); + shell->client = client; + if (client != NULL) { + shell->client_destroy.notify = shell_handle_client_destroy; + wl_client_add_destroy_listener(client, &shell->client_destroy); + } else { + wl_list_init(&shell->client_destroy.link); + } +}