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Add wlr_xwayland_surface_ping

This commit is contained in:
emersion 2018-04-08 16:28:01 -04:00
parent cedd151e17
commit 17d0440b75
No known key found for this signature in database
GPG Key ID: 0FDE7BE0E88F5E48
4 changed files with 102 additions and 27 deletions
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6
include/wlr/xwayland.h
View File

@ -111,6 +111,9 @@ struct wlr_xwayland_surface {
uint32_t hints_urgency;
struct wlr_xwayland_surface_size_hints *size_hints;
bool pinging;
struct wl_event_source *ping_timer;
// _NET_WM_STATE
bool fullscreen;
bool maximized_vert;
@ -133,6 +136,7 @@ struct wlr_xwayland_surface {
struct wl_signal set_parent;
struct wl_signal set_pid;
struct wl_signal set_window_type;
struct wl_signal ping_timeout;
} events;
struct wl_listener surface_destroy;
@ -190,4 +194,6 @@ bool wlr_surface_is_xwayland_surface(struct wlr_surface *surface);
struct wlr_xwayland_surface *wlr_xwayland_surface_from_wlr_surface(
struct wlr_surface *surface);
void wlr_xwayland_surface_ping(struct wlr_xwayland_surface *surface);
#endif

2
include/xwayland/xwm.h
View File

@ -43,6 +43,7 @@ enum atom_name {
_NET_WM_STATE_FULLSCREEN,
_NET_WM_STATE_MAXIMIZED_VERT,
_NET_WM_STATE_MAXIMIZED_HORZ,
_NET_WM_PING,
WM_STATE,
CLIPBOARD,
PRIMARY,
@ -90,6 +91,7 @@ struct wlr_xwm {
struct wlr_xwayland *xwayland;
struct wl_event_source *event_source;
struct wlr_seat *seat;
uint32_t ping_timeout;
xcb_atom_t atoms[ATOM_LAST];
xcb_connection_t *xcb_conn;

1
rootston/xwayland.c
View File

@ -260,6 +260,7 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
struct wlr_xwayland_surface *surface = data;
wlr_log(L_DEBUG, "new xwayland surface: title=%s, class=%s, instance=%s",
surface->title, surface->class, surface->instance);
wlr_xwayland_surface_ping(surface);
struct roots_xwayland_surface *roots_surface =
calloc(1, sizeof(struct roots_xwayland_surface));

118
xwayland/xwm.c
View File

@ -42,6 +42,7 @@ const char *atom_map[ATOM_LAST] = {
"_NET_WM_STATE_FULLSCREEN",
"_NET_WM_STATE_MAXIMIZED_VERT",
"_NET_WM_STATE_MAXIMIZED_HORZ",
"_NET_WM_PING",
"WM_STATE",
"CLIPBOARD",
"PRIMARY",
@ -100,6 +101,14 @@ static struct wlr_xwayland_surface *lookup_surface(struct wlr_xwm *xwm,
return NULL;
}
static int xwayland_surface_handle_ping_timeout(void *data) {
struct wlr_xwayland_surface *surface = data;
wlr_signal_emit_safe(&surface->events.ping_timeout, surface);
surface->pinging = false;
return 1;
}
static struct wlr_xwayland_surface *wlr_xwayland_surface_create(
struct wlr_xwm *xwm, xcb_window_t window_id, int16_t x, int16_t y,
uint16_t width, uint16_t height, bool override_redirect) {
@ -143,16 +152,25 @@ static struct wlr_xwayland_surface *wlr_xwayland_surface_create(
wl_signal_init(&surface->events.set_parent);
wl_signal_init(&surface->events.set_pid);
wl_signal_init(&surface->events.set_window_type);
wl_signal_init(&surface->events.ping_timeout);
xcb_get_geometry_reply_t *geometry_reply =
xcb_get_geometry_reply(xwm->xcb_conn, geometry_cookie, NULL);
if (geometry_reply != NULL) {
surface->has_alpha = geometry_reply->depth == 32;
}
free(geometry_reply);
struct wl_display *display = xwm->xwayland->wl_display;
struct wl_event_loop *loop = wl_display_get_event_loop(display);
surface->ping_timer = wl_event_loop_add_timer(loop,
xwayland_surface_handle_ping_timeout, surface);
if (surface->ping_timer == NULL) {
free(surface);
wlr_log(L_ERROR, "Could not add timer to event loop");
return NULL;
}
return surface;
}
@ -163,6 +181,27 @@ static void xwm_set_net_active_window(struct wlr_xwm *xwm,
xwm->atoms[WINDOW], 32, 1, &window);
}
static void xwm_send_wm_message(struct wlr_xwayland_surface *surface,
xcb_client_message_data_t *data) {
struct wlr_xwm *xwm = surface->xwm;
xcb_client_message_event_t event = {
.response_type = XCB_CLIENT_MESSAGE,
.format = 32,
.sequence = 0,
.window = surface->window_id,
.type = xwm->atoms[WM_PROTOCOLS],
.data = *data,
};
xcb_send_event(xwm->xcb_conn,
0, // propagate
surface->window_id,
XCB_EVENT_MASK_NO_EVENT,
(const char *)&event);
xcb_flush(xwm->xcb_conn);
}
static void xwm_send_focus_window(struct wlr_xwm *xwm,
struct wlr_xwayland_surface *xsurface) {
if (!xsurface) {
@ -174,16 +213,10 @@ static void xwm_send_focus_window(struct wlr_xwm *xwm,
return;
}
xcb_client_message_event_t client_message;
client_message.response_type = XCB_CLIENT_MESSAGE;
client_message.format = 32;
client_message.window = xsurface->window_id;
client_message.type = xwm->atoms[WM_PROTOCOLS];
client_message.data.data32[0] = xwm->atoms[WM_TAKE_FOCUS];
client_message.data.data32[1] = XCB_TIME_CURRENT_TIME;
xcb_send_event(xwm->xcb_conn, 0, xsurface->window_id,
XCB_EVENT_MASK_SUBSTRUCTURE_REDIRECT, (char*)&client_message);
xcb_client_message_data_t message_data = { 0 };
message_data.data32[0] = xwm->atoms[WM_TAKE_FOCUS];
message_data.data32[1] = XCB_TIME_CURRENT_TIME;
xwm_send_wm_message(xsurface, &message_data);
xcb_set_input_focus(xwm->xcb_conn, XCB_INPUT_FOCUS_POINTER_ROOT,
xsurface->window_id, XCB_CURRENT_TIME);
@ -968,6 +1001,32 @@ static void xwm_handle_net_wm_state_message(struct wlr_xwm *xwm,
}
}
static void xwm_handle_wm_protocols_message(struct wlr_xwm *xwm,
xcb_client_message_event_t *ev) {
xcb_atom_t type = ev->data.data32[0];
if (type == xwm->atoms[_NET_WM_PING]) {
xcb_window_t window_id = ev->data.data32[2];
struct wlr_xwayland_surface *surface = lookup_surface(xwm, window_id);
if (surface == NULL) {
return;
}
if (!surface->pinging) {
return;
}
wl_event_source_timer_update(surface->ping_timer, 0);
surface->pinging = false;
} else {
char *type_name = xwm_get_atom_name(xwm, type);
wlr_log(L_DEBUG, "unhandled WM_PROTOCOLS client message %u (%s)",
type, type_name);
free(type_name);
}
}
static void xwm_handle_client_message(struct wlr_xwm *xwm,
xcb_client_message_event_t *ev) {
wlr_log(L_DEBUG, "XCB_CLIENT_MESSAGE (%u)", ev->window);
@ -978,6 +1037,8 @@ static void xwm_handle_client_message(struct wlr_xwm *xwm,
xwm_handle_net_wm_state_message(xwm, ev);
} else if (ev->type == xwm->atoms[_NET_WM_MOVERESIZE]) {
xwm_handle_net_wm_moveresize_message(xwm, ev);
} else if (ev->type == xwm->atoms[WM_PROTOCOLS]) {
xwm_handle_wm_protocols_message(xwm, ev);
} else if (!xwm_handle_selection_client_message(xwm, ev)) {
char *type_name = xwm_get_atom_name(xwm, ev->type);
wlr_log(L_DEBUG, "unhandled x11 client message %u (%s)", ev->type,
@ -1198,23 +1259,14 @@ void wlr_xwayland_surface_close(struct wlr_xwayland_surface *xsurface) {
}
if (supports_delete) {
xcb_client_message_event_t ev = {0};
ev.response_type = XCB_CLIENT_MESSAGE;
ev.window = xsurface->window_id;
ev.format = 32;
ev.sequence = 0;
ev.type = xwm->atoms[WM_PROTOCOLS];
ev.data.data32[0] = xwm->atoms[WM_DELETE_WINDOW];
ev.data.data32[1] = XCB_CURRENT_TIME;
xcb_send_event(xwm->xcb_conn, 0,
xsurface->window_id,
XCB_EVENT_MASK_NO_EVENT,
(char *)&ev);
xcb_client_message_data_t message_data = {0};
message_data.data32[0] = xwm->atoms[WM_DELETE_WINDOW];
message_data.data32[1] = XCB_CURRENT_TIME;
xwm_send_wm_message(xsurface, &message_data);
} else {
xcb_kill_client(xwm->xcb_conn, xsurface->window_id);
}
xcb_flush(xwm->xcb_conn);
}
}
void xwm_destroy(struct wlr_xwm *xwm) {
@ -1463,6 +1515,7 @@ struct wlr_xwm *xwm_create(struct wlr_xwayland *wlr_xwayland) {
xwm->xwayland = wlr_xwayland;
wl_list_init(&xwm->surfaces);
wl_list_init(&xwm->unpaired_surfaces);
xwm->ping_timeout = 10000;
xwm->xcb_conn = xcb_connect_to_fd(wlr_xwayland->wm_fd[0], NULL);
@ -1599,3 +1652,16 @@ bool wlr_xwayland_surface_is_unmanaged(
return false;
}
void wlr_xwayland_surface_ping(struct wlr_xwayland_surface *surface) {
xcb_client_message_data_t data = { 0 };
data.data32[0] = surface->xwm->atoms[_NET_WM_PING];
data.data32[1] = XCB_CURRENT_TIME;
data.data32[2] = surface->window_id;
xwm_send_wm_message(surface, &data);
wl_event_source_timer_update(surface->ping_timer,
surface->xwm->ping_timeout);
surface->pinging = true;
}