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Listen to display destroy in backends

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emersion 2017-12-07 23:44:59 +01:00
parent bdb6e0b84c
commit 9d43adaafa
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GPG key ID: 0FDE7BE0E88F5E48
8 changed files with 130 additions and 70 deletions
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137
backend/x11/backend.c
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@ -184,69 +184,6 @@ static void init_atom(struct wlr_x11_backend *x11, struct wlr_x11_atom *atom,
atom->reply = xcb_intern_atom_reply(x11->xcb_conn, atom->cookie, NULL);
}
struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
const char *x11_display) {
struct wlr_x11_backend *x11 = calloc(1, sizeof(*x11));
if (!x11) {
return NULL;
}
wlr_backend_init(&x11->backend, &backend_impl);
x11->wl_display = display;
x11->xlib_conn = XOpenDisplay(x11_display);
if (!x11->xlib_conn) {
wlr_log(L_ERROR, "Failed to open X connection");
return NULL;
}
x11->xcb_conn = XGetXCBConnection(x11->xlib_conn);
if (!x11->xcb_conn || xcb_connection_has_error(x11->xcb_conn)) {
wlr_log(L_ERROR, "Failed to open xcb connection");
goto error_x11;
}
XSetEventQueueOwner(x11->xlib_conn, XCBOwnsEventQueue);
int fd = xcb_get_file_descriptor(x11->xcb_conn);
struct wl_event_loop *ev = wl_display_get_event_loop(display);
int events = WL_EVENT_READABLE | WL_EVENT_ERROR | WL_EVENT_HANGUP;
x11->event_source = wl_event_loop_add_fd(ev, fd, events, x11_event, x11);
if (!x11->event_source) {
wlr_log(L_ERROR, "Could not create event source");
goto error_x11;
}
x11->frame_timer = wl_event_loop_add_timer(ev, signal_frame, x11);
x11->screen = xcb_setup_roots_iterator(xcb_get_setup(x11->xcb_conn)).data;
if (!wlr_egl_init(&x11->egl, EGL_PLATFORM_X11_KHR,
x11->screen->root_visual, x11->xlib_conn)) {
goto error_event;
}
wlr_input_device_init(&x11->keyboard_dev, WLR_INPUT_DEVICE_KEYBOARD,
NULL, "X11 keyboard", 0, 0);
wlr_keyboard_init(&x11->keyboard, NULL);
x11->keyboard_dev.keyboard = &x11->keyboard;
wlr_input_device_init(&x11->pointer_dev, WLR_INPUT_DEVICE_POINTER,
NULL, "X11 pointer", 0, 0);
wlr_pointer_init(&x11->pointer, NULL);
x11->pointer_dev.pointer = &x11->pointer;
return &x11->backend;
error_event:
wl_event_source_remove(x11->event_source);
error_x11:
xcb_disconnect(x11->xcb_conn);
XCloseDisplay(x11->xlib_conn);
free(x11);
return NULL;
}
static bool wlr_x11_backend_start(struct wlr_backend *backend) {
struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend;
struct wlr_x11_output *output = &x11->output;
@ -307,6 +244,8 @@ static void wlr_x11_backend_destroy(struct wlr_backend *backend) {
struct wlr_x11_output *output = &x11->output;
wlr_output_destroy(&output->wlr_output);
wl_list_remove(&x11->display_destroy.link);
wl_event_source_remove(x11->frame_timer);
wlr_egl_free(&x11->egl);
@ -329,6 +268,78 @@ static struct wlr_backend_impl backend_impl = {
.get_egl = wlr_x11_backend_get_egl,
};
static void handle_display_destroy(struct wl_listener *listener, void *data) {
struct wlr_x11_backend *x11 =
wl_container_of(listener, x11, display_destroy);
wlr_x11_backend_destroy(&x11->backend);
}
struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
const char *x11_display) {
struct wlr_x11_backend *x11 = calloc(1, sizeof(*x11));
if (!x11) {
return NULL;
}
wlr_backend_init(&x11->backend, &backend_impl);
x11->wl_display = display;
x11->xlib_conn = XOpenDisplay(x11_display);
if (!x11->xlib_conn) {
wlr_log(L_ERROR, "Failed to open X connection");
return NULL;
}
x11->xcb_conn = XGetXCBConnection(x11->xlib_conn);
if (!x11->xcb_conn || xcb_connection_has_error(x11->xcb_conn)) {
wlr_log(L_ERROR, "Failed to open xcb connection");
goto error_x11;
}
XSetEventQueueOwner(x11->xlib_conn, XCBOwnsEventQueue);
int fd = xcb_get_file_descriptor(x11->xcb_conn);
struct wl_event_loop *ev = wl_display_get_event_loop(display);
int events = WL_EVENT_READABLE | WL_EVENT_ERROR | WL_EVENT_HANGUP;
x11->event_source = wl_event_loop_add_fd(ev, fd, events, x11_event, x11);
if (!x11->event_source) {
wlr_log(L_ERROR, "Could not create event source");
goto error_x11;
}
x11->frame_timer = wl_event_loop_add_timer(ev, signal_frame, x11);
x11->screen = xcb_setup_roots_iterator(xcb_get_setup(x11->xcb_conn)).data;
if (!wlr_egl_init(&x11->egl, EGL_PLATFORM_X11_KHR,
x11->screen->root_visual, x11->xlib_conn)) {
goto error_event;
}
wlr_input_device_init(&x11->keyboard_dev, WLR_INPUT_DEVICE_KEYBOARD,
NULL, "X11 keyboard", 0, 0);
wlr_keyboard_init(&x11->keyboard, NULL);
x11->keyboard_dev.keyboard = &x11->keyboard;
wlr_input_device_init(&x11->pointer_dev, WLR_INPUT_DEVICE_POINTER,
NULL, "X11 pointer", 0, 0);
wlr_pointer_init(&x11->pointer, NULL);
x11->pointer_dev.pointer = &x11->pointer;
x11->display_destroy.notify = handle_display_destroy;
wl_display_add_destroy_listener(display, &x11->display_destroy);
return &x11->backend;
error_event:
wl_event_source_remove(x11->event_source);
error_x11:
xcb_disconnect(x11->xcb_conn);
XCloseDisplay(x11->xlib_conn);
free(x11);
return NULL;
}
static void output_transform(struct wlr_output *wlr_output, enum wl_output_transform transform) {
struct wlr_x11_output *output = (struct wlr_x11_output *)wlr_output;
output->wlr_output.transform = transform;