diff options
Diffstat (limited to 'xwayland/xwm.c')
| -rw-r--r-- | xwayland/xwm.c | 327 |
1 files changed, 314 insertions, 13 deletions
diff --git a/xwayland/xwm.c b/xwayland/xwm.c index 862db70b..d7816bcd 100644 --- a/xwayland/xwm.c +++ b/xwayland/xwm.c @@ -1,3 +1,6 @@ +#ifndef _POSIX_C_SOURCE +#define _POSIX_C_SOURCE 200809L +#endif #include <stdlib.h> #include <xcb/composite.h> #include "wlr/util/log.h" @@ -7,11 +10,16 @@ const char *atom_map[ATOM_LAST] = { "WL_SURFACE_ID", + "WM_DELETE_WINDOW", "WM_PROTOCOLS", + "UTF8_STRING", "WM_S0", "_NET_SUPPORTED", "_NET_WM_S0", + "_NET_WM_PID", + "_NET_WM_NAME", "_NET_WM_STATE", + "_NET_WM_WINDOW_TYPE", "WM_TAKE_FOCUS", }; @@ -55,13 +63,26 @@ static struct wlr_xwayland_surface *wlr_xwayland_surface_create( surface->height = height; surface->override_redirect = override_redirect; wl_list_insert(&xwm->new_surfaces, &surface->link); + surface->state = list_create(); wl_signal_init(&surface->events.destroy); + wl_signal_init(&surface->events.request_configure); + wl_signal_init(&surface->events.set_class); + wl_signal_init(&surface->events.set_title); + wl_signal_init(&surface->events.set_parent); + wl_signal_init(&surface->events.set_state); + wl_signal_init(&surface->events.set_pid); + wl_signal_init(&surface->events.set_window_type); return surface; } static void wlr_xwayland_surface_destroy(struct wlr_xwayland_surface *surface) { wl_signal_emit(&surface->events.destroy, surface); wl_list_remove(&surface->link); + for (size_t i = 0; i < surface->state->length; i++) { + free(surface->state->items[i]); + } + list_free(surface->state); + free(surface->window_type); free(surface); } @@ -80,12 +101,223 @@ static bool xcb_call(struct wlr_xwm *xwm, const char *func, uint32_t line, return false; } +static void read_surface_class(struct wlr_xwm *xwm, + struct wlr_xwayland_surface *surface, xcb_get_property_reply_t *reply) { + if (reply->type != XCB_ATOM_STRING && + reply->type != xwm->atoms[UTF8_STRING]) { + return; + } + + size_t len = xcb_get_property_value_length(reply); + char *class = xcb_get_property_value(reply); + + // Unpack two sequentially stored strings: instance, class + size_t instance_len = strnlen(class, len); + free(surface->instance); + if (len > 0 && instance_len < len) { + surface->instance = strndup(class, instance_len); + class += instance_len + 1; + } else { + surface->instance = NULL; + } + free(surface->class); + if (len > 0) { + surface->class = strndup(class, len); + } else { + surface->class = NULL; + } + + wlr_log(L_DEBUG, "XCB_ATOM_WM_CLASS: %s %s", surface->instance, surface->class); + wl_signal_emit(&surface->events.set_class, surface); +} + +static void read_surface_title(struct wlr_xwm *xwm, + struct wlr_xwayland_surface *surface, xcb_get_property_reply_t *reply) { + if (reply->type != XCB_ATOM_STRING && + reply->type != xwm->atoms[UTF8_STRING]) { + return; + } + + // TODO: if reply->type == XCB_ATOM_STRING, uses latin1 encoding + // if reply->type == xwm->atoms[UTF8_STRING], uses utf8 encoding + + size_t len = xcb_get_property_value_length(reply); + char *title = xcb_get_property_value(reply); + + free(surface->title); + if (len > 0) { + surface->title = strndup(title, len); + } else { + surface->title = NULL; + } + + wlr_log(L_DEBUG, "XCB_ATOM_WM_NAME: %s", surface->title); + wl_signal_emit(&surface->events.set_title, surface); +} + +static void read_surface_parent(struct wlr_xwm *xwm, + struct wlr_xwayland_surface *surface, xcb_get_property_reply_t *reply) { + if (reply->type != XCB_ATOM_WINDOW) { + return; + } + + xcb_window_t *xid = xcb_get_property_value(reply); + if (xid != NULL) { + surface->parent = lookup_surface_any(xwm, *xid); + } else { + surface->parent = NULL; + } + + wlr_log(L_DEBUG, "XCB_ATOM_WM_TRANSIENT_FOR: %p", xid); + wl_signal_emit(&surface->events.set_parent, surface); +} + +static void handle_surface_state(struct wlr_xwm *xwm, + struct wlr_xwayland_surface *surface, xcb_atom_t *state, + size_t state_len, enum net_wm_state_action action) { + for (size_t i = 0; i < state_len; i++) { + xcb_atom_t atom = state[i]; + bool found = false; + for (size_t j = 0; j < surface->state->length; j++) { + xcb_atom_t *cur = surface->state->items[j]; + if (atom == *cur) { + found = true; + if (action == NET_WM_STATE_REMOVE || + action == NET_WM_STATE_TOGGLE) { + free(surface->state->items[j]); + list_del(surface->state, j); + } + break; + } + } + + if (!found && (action == NET_WM_STATE_ADD || + action == NET_WM_STATE_TOGGLE)) { + xcb_atom_t *atom_ptr = malloc(sizeof(xcb_atom_t)); + *atom_ptr = atom; + list_add(surface->state, atom_ptr); + } + } + + wlr_log(L_DEBUG, "NET_WM_STATE (%zu)", state_len); + wl_signal_emit(&surface->events.set_state, surface); +} + +static void read_surface_state(struct wlr_xwm *xwm, + struct wlr_xwayland_surface *surface, xcb_get_property_reply_t *reply) { + // reply->type == XCB_ATOM_ANY + handle_surface_state(xwm, surface, xcb_get_property_value(reply), + reply->value_len, NET_WM_STATE_ADD); +} + +static void read_surface_pid(struct wlr_xwm *xwm, + struct wlr_xwayland_surface *surface, xcb_get_property_reply_t *reply) { + if (reply->type != XCB_ATOM_CARDINAL) { + return; + } + + pid_t *pid = xcb_get_property_value(reply); + surface->pid = *pid; + wlr_log(L_DEBUG, "NET_WM_PID %d", surface->pid); + wl_signal_emit(&surface->events.set_pid, surface); +} + +static void read_surface_window_type(struct wlr_xwm *xwm, + struct wlr_xwayland_surface *surface, xcb_get_property_reply_t *reply) { + if (reply->type != XCB_ATOM_ATOM) { + return; + } + + xcb_atom_t *atoms = xcb_get_property_value(reply); + size_t atoms_len = reply->value_len; + size_t atoms_size = sizeof(xcb_atom_t) * atoms_len; + + free(surface->window_type); + surface->window_type = malloc(atoms_size); + if (surface->window_type == NULL) { + return; + } + memcpy(surface->window_type, atoms, atoms_size); + surface->window_type_len = atoms_len; + + wlr_log(L_DEBUG, "NET_WM_WINDOW_TYPE (%zu)", atoms_len); + wl_signal_emit(&surface->events.set_window_type, surface); +} + +static void read_surface_protocols(struct wlr_xwm *xwm, + struct wlr_xwayland_surface *surface, xcb_get_property_reply_t *reply) { + if (reply->type != XCB_ATOM_ATOM) { + return; + } + + xcb_atom_t *atoms = xcb_get_property_value(reply); + size_t atoms_len = reply->value_len; + size_t atoms_size = sizeof(xcb_atom_t) * atoms_len; + + free(surface->protocols); + surface->protocols = malloc(atoms_size); + if (surface->protocols == NULL) { + return; + } + memcpy(surface->protocols, atoms, atoms_size); + surface->protocols_len = atoms_len; + + wlr_log(L_DEBUG, "WM_PROTOCOLS (%zu)", atoms_len); +} + +static void read_surface_property(struct wlr_xwm *xwm, + struct wlr_xwayland_surface *surface, xcb_atom_t property) { + xcb_get_property_cookie_t cookie = xcb_get_property(xwm->xcb_conn, 0, + surface->window_id, property, XCB_ATOM_ANY, 0, 2048); + xcb_get_property_reply_t *reply = xcb_get_property_reply(xwm->xcb_conn, + cookie, NULL); + if (reply == NULL) { + return; + } + + if (property == XCB_ATOM_WM_CLASS) { + read_surface_class(xwm, surface, reply); + } else if (property == XCB_ATOM_WM_NAME || + property == xwm->atoms[NET_WM_NAME]) { + read_surface_title(xwm, surface, reply); + } else if (property == XCB_ATOM_WM_TRANSIENT_FOR) { + read_surface_parent(xwm, surface, reply); + } else if (property == xwm->atoms[NET_WM_PID]) { + read_surface_pid(xwm, surface, reply); + } else if (property == xwm->atoms[NET_WM_WINDOW_TYPE]) { + read_surface_window_type(xwm, surface, reply); + } else if (property == xwm->atoms[WM_PROTOCOLS]) { + read_surface_protocols(xwm, surface, reply); + } else if (property == xwm->atoms[NET_WM_STATE]) { + read_surface_state(xwm, surface, reply); + } else { + wlr_log(L_DEBUG, "unhandled x11 property %u", property); + } + + free(reply); +} + static void map_shell_surface(struct wlr_xwm *xwm, struct wlr_xwayland_surface *xwayland_surface, struct wlr_surface *surface) { // get xcb geometry for depth = alpha channel xwayland_surface->surface = surface; + // read all surface properties + const xcb_atom_t props[] = { + XCB_ATOM_WM_CLASS, + XCB_ATOM_WM_NAME, + XCB_ATOM_WM_TRANSIENT_FOR, + xwm->atoms[WM_PROTOCOLS], + xwm->atoms[NET_WM_STATE], + xwm->atoms[NET_WM_WINDOW_TYPE], + xwm->atoms[NET_WM_NAME], + xwm->atoms[NET_WM_PID], + }; + for (size_t i = 0; i < sizeof(props)/sizeof(xcb_atom_t); i++) { + read_surface_property(xwm, xwayland_surface, props[i]); + } + wl_list_remove(&xwayland_surface->link); wl_list_insert(&xwm->xwayland->displayable_surfaces, &xwayland_surface->link); @@ -119,17 +351,32 @@ static void handle_configure_request(struct wlr_xwm *xwm, return; } - surface->x = ev->x; - surface->y = ev->y; - surface->width = ev->width; - surface->height = ev->height; - // handle parent/sibling? + // TODO: handle ev->{parent,sibling}? - uint32_t values[] = {ev->x, ev->y, ev->width, ev->height, 0}; - uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | - XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT | - XCB_CONFIG_WINDOW_BORDER_WIDTH; - xcb_configure_window(xwm->xcb_conn, ev->window, mask, values); + if (surface->surface == NULL) { + // Surface has not been mapped yet + surface->x = ev->x; + surface->y = ev->y; + surface->width = ev->width; + surface->height = ev->height; + wlr_xwayland_surface_configure(xwm->xwayland, surface); + } else { + struct wlr_xwayland_surface_configure_event *wlr_event = + calloc(1, sizeof(struct wlr_xwayland_surface_configure_event)); + if (wlr_event == NULL) { + return; + } + + wlr_event->surface = surface; + wlr_event->x = ev->x; + wlr_event->y = ev->y; + wlr_event->width = ev->width; + wlr_event->height = ev->height; + + wl_signal_emit(&surface->events.request_configure, wlr_event); + + free(wlr_event); + } } static void handle_map_request(struct wlr_xwm *xwm, @@ -167,7 +414,12 @@ static void handle_unmap_notify(struct wlr_xwm *xwm, static void handle_property_notify(struct wlr_xwm *xwm, xcb_property_notify_event_t *ev) { wlr_log(L_DEBUG, "XCB_PROPERTY_NOTIFY (%u)", ev->window); - // TODO lookup window & get properties + struct wlr_xwayland_surface *surface = lookup_surface_any(xwm, ev->window); + if (surface == NULL) { + return; + } + + read_surface_property(xwm, surface, ev->atom); } static void handle_client_message(struct wlr_xwm *xwm, @@ -192,8 +444,17 @@ static void handle_client_message(struct wlr_xwm *xwm, wl_list_remove(&surface->link); wl_list_insert(&xwm->unpaired_surfaces, &surface->link); } + } else if (ev->type == xwm->atoms[NET_WM_STATE]) { + struct wlr_xwayland_surface *surface = lookup_surface_any(xwm, + ev->window); + if (surface == NULL) { + return; + } + handle_surface_state(xwm, surface, &ev->data.data32[1], 2, + ev->data.data32[0]); + } else { + wlr_log(L_DEBUG, "unhandled x11 client message %u", ev->type); } - wlr_log(L_DEBUG, "unhandled client message %u", ev->type); } /* This is in xcb/xcb_event.h, but pulling xcb-util just for a constant @@ -252,7 +513,7 @@ static void create_surface_handler(struct wl_listener *listener, void *data) { return; } - wlr_log(L_DEBUG, "New x11 surface: %p", surface); + wlr_log(L_DEBUG, "New xwayland surface: %p", surface); uint32_t surface_id = wl_resource_get_id(surface->resource); struct wlr_xwayland_surface *xwayland_surface; @@ -348,6 +609,46 @@ void wlr_xwayland_surface_activate(struct wlr_xwayland *wlr_xwayland, xcb_flush(xwm->xcb_conn); } +void wlr_xwayland_surface_configure(struct wlr_xwayland *wlr_xwayland, + struct wlr_xwayland_surface *surface) { + struct wlr_xwm *xwm = wlr_xwayland->xwm; + uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y | + XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT | + XCB_CONFIG_WINDOW_BORDER_WIDTH; + uint32_t values[] = {surface->x, surface->y, surface->width, + surface->height, 0}; + xcb_configure_window(xwm->xcb_conn, surface->window_id, mask, values); +} + +void wlr_xwayland_surface_close(struct wlr_xwayland *wlr_xwayland, + struct wlr_xwayland_surface *surface) { + struct wlr_xwm *xwm = wlr_xwayland->xwm; + + bool supports_delete = false; + for (size_t i = 0; i < surface->protocols_len; i++) { + if (surface->protocols[i] == xwm->atoms[WM_DELETE_WINDOW]) { + supports_delete = true; + break; + } + } + + if (supports_delete) { + xcb_client_message_event_t ev = {0}; + ev.response_type = XCB_CLIENT_MESSAGE; + ev.window = surface->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_CALL(xwm, xcb_send_event_checked(xwm->xcb_conn, 0, + surface->window_id, XCB_EVENT_MASK_NO_EVENT, (char *)&ev)); + } else { + XCB_CALL(xwm, xcb_kill_client_checked(xwm->xcb_conn, + surface->window_id)); + } +} + void xwm_destroy(struct wlr_xwm *xwm) { if (!xwm) { return; |