swayfx/sway/desktop/xwayland.c
2020-09-19 21:31:31 +02:00

753 lines
24 KiB
C

#define _POSIX_C_SOURCE 199309L
#include <float.h>
#include <stdbool.h>
#include <stdlib.h>
#include <wayland-server-core.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_output.h>
#include <wlr/xwayland.h>
#include "log.h"
#include "sway/desktop.h"
#include "sway/desktop/transaction.h"
#include "sway/input/cursor.h"
#include "sway/input/input-manager.h"
#include "sway/input/seat.h"
#include "sway/output.h"
#include "sway/tree/arrange.h"
#include "sway/tree/container.h"
#include "sway/tree/view.h"
#include "sway/tree/workspace.h"
static const char *atom_map[ATOM_LAST] = {
"_NET_WM_WINDOW_TYPE_NORMAL",
"_NET_WM_WINDOW_TYPE_DIALOG",
"_NET_WM_WINDOW_TYPE_UTILITY",
"_NET_WM_WINDOW_TYPE_TOOLBAR",
"_NET_WM_WINDOW_TYPE_SPLASH",
"_NET_WM_WINDOW_TYPE_MENU",
"_NET_WM_WINDOW_TYPE_DROPDOWN_MENU",
"_NET_WM_WINDOW_TYPE_POPUP_MENU",
"_NET_WM_WINDOW_TYPE_TOOLTIP",
"_NET_WM_WINDOW_TYPE_NOTIFICATION",
"_NET_WM_STATE_MODAL",
};
static void unmanaged_handle_request_configure(struct wl_listener *listener,
void *data) {
struct sway_xwayland_unmanaged *surface =
wl_container_of(listener, surface, request_configure);
struct wlr_xwayland_surface *xsurface = surface->wlr_xwayland_surface;
struct wlr_xwayland_surface_configure_event *ev = data;
wlr_xwayland_surface_configure(xsurface, ev->x, ev->y,
ev->width, ev->height);
}
static void unmanaged_handle_commit(struct wl_listener *listener, void *data) {
struct sway_xwayland_unmanaged *surface =
wl_container_of(listener, surface, commit);
struct wlr_xwayland_surface *xsurface = surface->wlr_xwayland_surface;
if (xsurface->x != surface->lx || xsurface->y != surface->ly) {
// Surface has moved
desktop_damage_surface(xsurface->surface, surface->lx, surface->ly,
true);
surface->lx = xsurface->x;
surface->ly = xsurface->y;
desktop_damage_surface(xsurface->surface, surface->lx, surface->ly,
true);
} else {
desktop_damage_surface(xsurface->surface, xsurface->x, xsurface->y,
false);
}
}
static void unmanaged_handle_map(struct wl_listener *listener, void *data) {
struct sway_xwayland_unmanaged *surface =
wl_container_of(listener, surface, map);
struct wlr_xwayland_surface *xsurface = surface->wlr_xwayland_surface;
wl_list_insert(root->xwayland_unmanaged.prev, &surface->link);
wl_signal_add(&xsurface->surface->events.commit, &surface->commit);
surface->commit.notify = unmanaged_handle_commit;
surface->lx = xsurface->x;
surface->ly = xsurface->y;
desktop_damage_surface(xsurface->surface, surface->lx, surface->ly, true);
if (wlr_xwayland_or_surface_wants_focus(xsurface)) {
struct sway_seat *seat = input_manager_current_seat();
struct wlr_xwayland *xwayland = server.xwayland.wlr_xwayland;
wlr_xwayland_set_seat(xwayland, seat->wlr_seat);
seat_set_focus_surface(seat, xsurface->surface, false);
}
}
static void unmanaged_handle_unmap(struct wl_listener *listener, void *data) {
struct sway_xwayland_unmanaged *surface =
wl_container_of(listener, surface, unmap);
struct wlr_xwayland_surface *xsurface = surface->wlr_xwayland_surface;
desktop_damage_surface(xsurface->surface, xsurface->x, xsurface->y, true);
wl_list_remove(&surface->link);
wl_list_remove(&surface->commit.link);
struct sway_seat *seat = input_manager_current_seat();
if (seat->wlr_seat->keyboard_state.focused_surface == xsurface->surface) {
// This simply returns focus to the parent surface if there's one available.
// This seems to handle JetBrains issues.
if (xsurface->parent && xsurface->parent->surface &&
wlr_surface_is_xwayland_surface(xsurface->parent->surface)) {
struct wlr_xwayland_surface *next_surface =
wlr_xwayland_surface_from_wlr_surface(xsurface->parent->surface);
if (wlr_xwayland_or_surface_wants_focus(next_surface)) {
seat_set_focus_surface(seat, xsurface->parent->surface, false);
return;
}
}
// Restore focus
struct sway_node *previous = seat_get_focus_inactive(seat, &root->node);
if (previous) {
// Hack to get seat to re-focus the return value of get_focus
seat_set_focus(seat, NULL);
seat_set_focus(seat, previous);
}
}
}
static void unmanaged_handle_destroy(struct wl_listener *listener, void *data) {
struct sway_xwayland_unmanaged *surface =
wl_container_of(listener, surface, destroy);
wl_list_remove(&surface->map.link);
wl_list_remove(&surface->unmap.link);
wl_list_remove(&surface->destroy.link);
free(surface);
}
static struct sway_xwayland_unmanaged *create_unmanaged(
struct wlr_xwayland_surface *xsurface) {
struct sway_xwayland_unmanaged *surface =
calloc(1, sizeof(struct sway_xwayland_unmanaged));
if (surface == NULL) {
sway_log(SWAY_ERROR, "Allocation failed");
return NULL;
}
surface->wlr_xwayland_surface = xsurface;
wl_signal_add(&xsurface->events.request_configure,
&surface->request_configure);
surface->request_configure.notify = unmanaged_handle_request_configure;
wl_signal_add(&xsurface->events.map, &surface->map);
surface->map.notify = unmanaged_handle_map;
wl_signal_add(&xsurface->events.unmap, &surface->unmap);
surface->unmap.notify = unmanaged_handle_unmap;
wl_signal_add(&xsurface->events.destroy, &surface->destroy);
surface->destroy.notify = unmanaged_handle_destroy;
return surface;
}
static struct sway_xwayland_view *xwayland_view_from_view(
struct sway_view *view) {
if (!sway_assert(view->type == SWAY_VIEW_XWAYLAND,
"Expected xwayland view")) {
return NULL;
}
return (struct sway_xwayland_view *)view;
}
static const char *get_string_prop(struct sway_view *view, enum sway_view_prop prop) {
if (xwayland_view_from_view(view) == NULL) {
return NULL;
}
switch (prop) {
case VIEW_PROP_TITLE:
return view->wlr_xwayland_surface->title;
case VIEW_PROP_CLASS:
return view->wlr_xwayland_surface->class;
case VIEW_PROP_INSTANCE:
return view->wlr_xwayland_surface->instance;
case VIEW_PROP_WINDOW_ROLE:
return view->wlr_xwayland_surface->role;
default:
return NULL;
}
}
static uint32_t get_int_prop(struct sway_view *view, enum sway_view_prop prop) {
if (xwayland_view_from_view(view) == NULL) {
return 0;
}
switch (prop) {
case VIEW_PROP_X11_WINDOW_ID:
return view->wlr_xwayland_surface->window_id;
case VIEW_PROP_X11_PARENT_ID:
if (view->wlr_xwayland_surface->parent) {
return view->wlr_xwayland_surface->parent->window_id;
}
return 0;
case VIEW_PROP_WINDOW_TYPE:
if (view->wlr_xwayland_surface->window_type_len == 0) {
return 0;
}
return view->wlr_xwayland_surface->window_type[0];
default:
return 0;
}
}
static uint32_t configure(struct sway_view *view, double lx, double ly, int width,
int height) {
struct sway_xwayland_view *xwayland_view = xwayland_view_from_view(view);
if (xwayland_view == NULL) {
return 0;
}
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
wlr_xwayland_surface_configure(xsurface, lx, ly, width, height);
// xwayland doesn't give us a serial for the configure
return 0;
}
static void set_activated(struct sway_view *view, bool activated) {
if (xwayland_view_from_view(view) == NULL) {
return;
}
struct wlr_xwayland_surface *surface = view->wlr_xwayland_surface;
if (activated && surface->minimized) {
wlr_xwayland_surface_set_minimized(surface, false);
}
wlr_xwayland_surface_activate(surface, activated);
}
static void set_tiled(struct sway_view *view, bool tiled) {
if (xwayland_view_from_view(view) == NULL) {
return;
}
struct wlr_xwayland_surface *surface = view->wlr_xwayland_surface;
wlr_xwayland_surface_set_maximized(surface, tiled);
}
static void set_fullscreen(struct sway_view *view, bool fullscreen) {
if (xwayland_view_from_view(view) == NULL) {
return;
}
struct wlr_xwayland_surface *surface = view->wlr_xwayland_surface;
wlr_xwayland_surface_set_fullscreen(surface, fullscreen);
}
static bool wants_floating(struct sway_view *view) {
if (xwayland_view_from_view(view) == NULL) {
return false;
}
struct wlr_xwayland_surface *surface = view->wlr_xwayland_surface;
struct sway_xwayland *xwayland = &server.xwayland;
if (surface->modal) {
return true;
}
for (size_t i = 0; i < surface->window_type_len; ++i) {
xcb_atom_t type = surface->window_type[i];
if (type == xwayland->atoms[NET_WM_WINDOW_TYPE_DIALOG] ||
type == xwayland->atoms[NET_WM_WINDOW_TYPE_UTILITY] ||
type == xwayland->atoms[NET_WM_WINDOW_TYPE_TOOLBAR] ||
type == xwayland->atoms[NET_WM_WINDOW_TYPE_SPLASH]) {
return true;
}
}
struct wlr_xwayland_surface_size_hints *size_hints = surface->size_hints;
if (size_hints != NULL &&
size_hints->min_width > 0 && size_hints->min_height > 0 &&
(size_hints->max_width == size_hints->min_width ||
size_hints->max_height == size_hints->min_height)) {
return true;
}
return false;
}
static void handle_set_decorations(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, set_decorations);
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
bool csd = xsurface->decorations != WLR_XWAYLAND_SURFACE_DECORATIONS_ALL;
view_update_csd_from_client(view, csd);
}
static bool is_transient_for(struct sway_view *child,
struct sway_view *ancestor) {
if (xwayland_view_from_view(child) == NULL) {
return false;
}
struct wlr_xwayland_surface *surface = child->wlr_xwayland_surface;
while (surface) {
if (surface->parent == ancestor->wlr_xwayland_surface) {
return true;
}
surface = surface->parent;
}
return false;
}
static void _close(struct sway_view *view) {
if (xwayland_view_from_view(view) == NULL) {
return;
}
wlr_xwayland_surface_close(view->wlr_xwayland_surface);
}
static void destroy(struct sway_view *view) {
struct sway_xwayland_view *xwayland_view = xwayland_view_from_view(view);
if (xwayland_view == NULL) {
return;
}
free(xwayland_view);
}
static void get_constraints(struct sway_view *view, double *min_width,
double *max_width, double *min_height, double *max_height) {
struct wlr_xwayland_surface *surface = view->wlr_xwayland_surface;
struct wlr_xwayland_surface_size_hints *size_hints = surface->size_hints;
if (size_hints == NULL) {
*min_width = DBL_MIN;
*max_width = DBL_MAX;
*min_height = DBL_MIN;
*max_height = DBL_MAX;
return;
}
*min_width = size_hints->min_width > 0 ? size_hints->min_width : DBL_MIN;
*max_width = size_hints->max_width > 0 ? size_hints->max_width : DBL_MAX;
*min_height = size_hints->min_height > 0 ? size_hints->min_height : DBL_MIN;
*max_height = size_hints->max_height > 0 ? size_hints->max_height : DBL_MAX;
}
static const struct sway_view_impl view_impl = {
.get_constraints = get_constraints,
.get_string_prop = get_string_prop,
.get_int_prop = get_int_prop,
.configure = configure,
.set_activated = set_activated,
.set_tiled = set_tiled,
.set_fullscreen = set_fullscreen,
.wants_floating = wants_floating,
.is_transient_for = is_transient_for,
.close = _close,
.destroy = destroy,
};
static void get_geometry(struct sway_view *view, struct wlr_box *box) {
box->x = box->y = 0;
if (view->surface) {
box->width = view->surface->current.width;
box->height = view->surface->current.height;
} else {
box->width = 0;
box->height = 0;
}
}
static void handle_commit(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, commit);
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
struct wlr_surface_state *state = &xsurface->surface->current;
if (view->container->node.instruction) {
get_geometry(view, &view->geometry);
transaction_notify_view_ready_by_size(view,
state->width, state->height);
} else {
struct wlr_box new_geo;
get_geometry(view, &new_geo);
if ((new_geo.width != view->geometry.width ||
new_geo.height != view->geometry.height ||
new_geo.x != view->geometry.x ||
new_geo.y != view->geometry.y)) {
// The view has unexpectedly sent a new size
// eg. The Firefox "Save As" dialog when downloading a file
desktop_damage_view(view);
view_update_size(view, new_geo.width, new_geo.height);
memcpy(&view->geometry, &new_geo, sizeof(struct wlr_box));
desktop_damage_view(view);
transaction_commit_dirty();
transaction_notify_view_ready_by_size(view,
new_geo.width, new_geo.height);
} else {
memcpy(&view->geometry, &new_geo, sizeof(struct wlr_box));
}
}
view_damage_from(view);
}
static void handle_destroy(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, destroy);
struct sway_view *view = &xwayland_view->view;
if (view->surface) {
view_unmap(view);
wl_list_remove(&xwayland_view->commit.link);
}
wl_list_remove(&xwayland_view->destroy.link);
wl_list_remove(&xwayland_view->request_configure.link);
wl_list_remove(&xwayland_view->request_fullscreen.link);
wl_list_remove(&xwayland_view->request_minimize.link);
wl_list_remove(&xwayland_view->request_move.link);
wl_list_remove(&xwayland_view->request_resize.link);
wl_list_remove(&xwayland_view->request_activate.link);
wl_list_remove(&xwayland_view->set_title.link);
wl_list_remove(&xwayland_view->set_class.link);
wl_list_remove(&xwayland_view->set_role.link);
wl_list_remove(&xwayland_view->set_window_type.link);
wl_list_remove(&xwayland_view->set_hints.link);
wl_list_remove(&xwayland_view->set_decorations.link);
wl_list_remove(&xwayland_view->map.link);
wl_list_remove(&xwayland_view->unmap.link);
view_begin_destroy(&xwayland_view->view);
}
static void handle_unmap(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, unmap);
struct sway_view *view = &xwayland_view->view;
if (!sway_assert(view->surface, "Cannot unmap unmapped view")) {
return;
}
view_unmap(view);
wl_list_remove(&xwayland_view->commit.link);
}
static void handle_map(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, map);
struct wlr_xwayland_surface *xsurface = data;
struct sway_view *view = &xwayland_view->view;
if (xsurface->override_redirect) {
// This window used not to have the override redirect flag and has it
// now. Switch to unmanaged.
handle_destroy(&xwayland_view->destroy, view);
xsurface->data = NULL;
struct sway_xwayland_unmanaged *unmanaged = create_unmanaged(xsurface);
unmanaged_handle_map(&unmanaged->map, xsurface);
return;
}
view->natural_width = xsurface->width;
view->natural_height = xsurface->height;
// Wire up the commit listener here, because xwayland map/unmap can change
// the underlying wlr_surface
wl_signal_add(&xsurface->surface->events.commit, &xwayland_view->commit);
xwayland_view->commit.notify = handle_commit;
// Put it back into the tree
view_map(view, xsurface->surface, xsurface->fullscreen, NULL, false);
transaction_commit_dirty();
}
static void handle_request_configure(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, request_configure);
struct wlr_xwayland_surface_configure_event *ev = data;
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
if (!xsurface->mapped) {
wlr_xwayland_surface_configure(xsurface, ev->x, ev->y,
ev->width, ev->height);
return;
}
if (container_is_floating(view->container)) {
// Respect minimum and maximum sizes
view->natural_width = ev->width;
view->natural_height = ev->height;
container_floating_resize_and_center(view->container);
configure(view, view->container->content_x,
view->container->content_y,
view->container->content_width,
view->container->content_height);
node_set_dirty(&view->container->node);
} else {
configure(view, view->container->current.content_x,
view->container->current.content_y,
view->container->current.content_width,
view->container->current.content_height);
}
}
static void handle_request_fullscreen(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, request_fullscreen);
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
if (!xsurface->mapped) {
return;
}
container_set_fullscreen(view->container, xsurface->fullscreen);
arrange_root();
transaction_commit_dirty();
}
static void handle_request_minimize(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, request_minimize);
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
if (!xsurface->mapped) {
return;
}
struct wlr_xwayland_minimize_event *e = data;
struct sway_seat *seat = input_manager_current_seat();
bool focused = seat_get_focus(seat) == &view->container->node;
wlr_xwayland_surface_set_minimized(xsurface, !focused && e->minimize);
}
static void handle_request_move(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, request_move);
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
if (!xsurface->mapped) {
return;
}
if (!container_is_floating(view->container)) {
return;
}
struct sway_seat *seat = input_manager_current_seat();
seatop_begin_move_floating(seat, view->container);
}
static void handle_request_resize(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, request_resize);
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
if (!xsurface->mapped) {
return;
}
if (!container_is_floating(view->container)) {
return;
}
struct wlr_xwayland_resize_event *e = data;
struct sway_seat *seat = input_manager_current_seat();
seatop_begin_resize_floating(seat, view->container, e->edges);
}
static void handle_request_activate(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, request_activate);
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
if (!xsurface->mapped) {
return;
}
view_request_activate(view);
transaction_commit_dirty();
}
static void handle_set_title(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, set_title);
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
if (!xsurface->mapped) {
return;
}
view_update_title(view, false);
view_execute_criteria(view);
}
static void handle_set_class(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, set_class);
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
if (!xsurface->mapped) {
return;
}
view_execute_criteria(view);
}
static void handle_set_role(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, set_role);
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
if (!xsurface->mapped) {
return;
}
view_execute_criteria(view);
}
static void handle_set_window_type(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, set_window_type);
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
if (!xsurface->mapped) {
return;
}
view_execute_criteria(view);
}
static void handle_set_hints(struct wl_listener *listener, void *data) {
struct sway_xwayland_view *xwayland_view =
wl_container_of(listener, xwayland_view, set_hints);
struct sway_view *view = &xwayland_view->view;
struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
if (!xsurface->mapped) {
return;
}
if (!xsurface->hints_urgency && view->urgent_timer) {
// The view is in the timeout period. We'll ignore the request to
// unset urgency so that the view remains urgent until the timer clears
// it.
return;
}
if (view->allow_request_urgent) {
view_set_urgent(view, (bool)xsurface->hints_urgency);
}
}
struct sway_view *view_from_wlr_xwayland_surface(
struct wlr_xwayland_surface *xsurface) {
return xsurface->data;
}
void handle_xwayland_surface(struct wl_listener *listener, void *data) {
struct wlr_xwayland_surface *xsurface = data;
if (xsurface->override_redirect) {
sway_log(SWAY_DEBUG, "New xwayland unmanaged surface");
create_unmanaged(xsurface);
return;
}
sway_log(SWAY_DEBUG, "New xwayland surface title='%s' class='%s'",
xsurface->title, xsurface->class);
struct sway_xwayland_view *xwayland_view =
calloc(1, sizeof(struct sway_xwayland_view));
if (!sway_assert(xwayland_view, "Failed to allocate view")) {
return;
}
view_init(&xwayland_view->view, SWAY_VIEW_XWAYLAND, &view_impl);
xwayland_view->view.wlr_xwayland_surface = xsurface;
wl_signal_add(&xsurface->events.destroy, &xwayland_view->destroy);
xwayland_view->destroy.notify = handle_destroy;
wl_signal_add(&xsurface->events.request_configure,
&xwayland_view->request_configure);
xwayland_view->request_configure.notify = handle_request_configure;
wl_signal_add(&xsurface->events.request_fullscreen,
&xwayland_view->request_fullscreen);
xwayland_view->request_fullscreen.notify = handle_request_fullscreen;
wl_signal_add(&xsurface->events.request_minimize,
&xwayland_view->request_minimize);
xwayland_view->request_minimize.notify = handle_request_minimize;
wl_signal_add(&xsurface->events.request_activate,
&xwayland_view->request_activate);
xwayland_view->request_activate.notify = handle_request_activate;
wl_signal_add(&xsurface->events.request_move,
&xwayland_view->request_move);
xwayland_view->request_move.notify = handle_request_move;
wl_signal_add(&xsurface->events.request_resize,
&xwayland_view->request_resize);
xwayland_view->request_resize.notify = handle_request_resize;
wl_signal_add(&xsurface->events.set_title, &xwayland_view->set_title);
xwayland_view->set_title.notify = handle_set_title;
wl_signal_add(&xsurface->events.set_class, &xwayland_view->set_class);
xwayland_view->set_class.notify = handle_set_class;
wl_signal_add(&xsurface->events.set_role, &xwayland_view->set_role);
xwayland_view->set_role.notify = handle_set_role;
wl_signal_add(&xsurface->events.set_window_type,
&xwayland_view->set_window_type);
xwayland_view->set_window_type.notify = handle_set_window_type;
wl_signal_add(&xsurface->events.set_hints, &xwayland_view->set_hints);
xwayland_view->set_hints.notify = handle_set_hints;
wl_signal_add(&xsurface->events.set_decorations,
&xwayland_view->set_decorations);
xwayland_view->set_decorations.notify = handle_set_decorations;
wl_signal_add(&xsurface->events.unmap, &xwayland_view->unmap);
xwayland_view->unmap.notify = handle_unmap;
wl_signal_add(&xsurface->events.map, &xwayland_view->map);
xwayland_view->map.notify = handle_map;
xsurface->data = xwayland_view;
}
void handle_xwayland_ready(struct wl_listener *listener, void *data) {
struct sway_server *server =
wl_container_of(listener, server, xwayland_ready);
struct sway_xwayland *xwayland = &server->xwayland;
xcb_connection_t *xcb_conn = xcb_connect(NULL, NULL);
int err = xcb_connection_has_error(xcb_conn);
if (err) {
sway_log(SWAY_ERROR, "XCB connect failed: %d", err);
return;
}
xcb_intern_atom_cookie_t cookies[ATOM_LAST];
for (size_t i = 0; i < ATOM_LAST; i++) {
cookies[i] =
xcb_intern_atom(xcb_conn, 0, strlen(atom_map[i]), atom_map[i]);
}
for (size_t i = 0; i < ATOM_LAST; i++) {
xcb_generic_error_t *error = NULL;
xcb_intern_atom_reply_t *reply =
xcb_intern_atom_reply(xcb_conn, cookies[i], &error);
if (reply != NULL && error == NULL) {
xwayland->atoms[i] = reply->atom;
}
free(reply);
if (error != NULL) {
sway_log(SWAY_ERROR, "could not resolve atom %s, X11 error code %d",
atom_map[i], error->error_code);
free(error);
break;
}
}
xcb_disconnect(xcb_conn);
}