227 lines
7.1 KiB
C
227 lines
7.1 KiB
C
#define _POSIX_C_SOURCE 199309L
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#include <stdbool.h>
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#include <stdlib.h>
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#include <wayland-server.h>
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#include <wlr/xwayland.h>
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#include <wlr/types/wlr_output_layout.h>
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#include <wlr/types/wlr_output.h>
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#include "sway/tree/container.h"
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#include "sway/tree/layout.h"
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#include "sway/server.h"
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#include "sway/tree/view.h"
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#include "sway/output.h"
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#include "sway/input/seat.h"
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#include "sway/input/input-manager.h"
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#include "log.h"
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static void unmanaged_handle_destroy(struct wl_listener *listener, void *data) {
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struct sway_xwayland_unmanaged *sway_surface =
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wl_container_of(listener, sway_surface, destroy);
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wl_list_remove(&sway_surface->destroy.link);
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wl_list_remove(&sway_surface->link);
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free(sway_surface);
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}
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static void create_unmanaged(struct wlr_xwayland_surface *xsurface) {
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struct sway_xwayland_unmanaged *sway_surface =
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calloc(1, sizeof(struct sway_xwayland_unmanaged));
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if (!sway_assert(sway_surface, "Failed to allocate surface")) {
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return;
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}
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sway_surface->wlr_xwayland_surface = xsurface;
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wl_signal_add(&xsurface->events.destroy, &sway_surface->destroy);
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sway_surface->destroy.notify = unmanaged_handle_destroy;
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wl_list_insert(&root_container.sway_root->xwayland_unmanaged,
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&sway_surface->link);
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// TODO: damage tracking
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}
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static struct sway_xwayland_view *xwayland_view_from_view(
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struct sway_view *view) {
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if (!sway_assert(view->type == SWAY_VIEW_XWAYLAND,
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"Expected xwayland view")) {
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return NULL;
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}
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return (struct sway_xwayland_view *)view;
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}
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static const char *get_prop(struct sway_view *view, enum sway_view_prop prop) {
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if (xwayland_view_from_view(view) == NULL) {
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return NULL;
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}
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switch (prop) {
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case VIEW_PROP_TITLE:
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return view->wlr_xwayland_surface->title;
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case VIEW_PROP_CLASS:
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return view->wlr_xwayland_surface->class;
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default:
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return NULL;
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}
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}
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static void configure(struct sway_view *view, double ox, double oy, int width,
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int height) {
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struct sway_xwayland_view *xwayland_view = xwayland_view_from_view(view);
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if (xwayland_view == NULL) {
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return;
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}
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struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
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struct sway_container *output = container_parent(view->swayc, C_OUTPUT);
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if (!sway_assert(output, "view must be within tree to set position")) {
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return;
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}
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struct sway_container *root = container_parent(output, C_ROOT);
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if (!sway_assert(root, "output must be within tree to set position")) {
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return;
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}
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struct wlr_output_layout *layout = root->sway_root->output_layout;
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struct wlr_output_layout_output *loutput =
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wlr_output_layout_get(layout, output->sway_output->wlr_output);
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if (!sway_assert(loutput, "output must be within layout to set position")) {
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return;
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}
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view_update_position(view, ox, oy);
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xwayland_view->pending_width = width;
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xwayland_view->pending_height = height;
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wlr_xwayland_surface_configure(xsurface, ox + loutput->x, oy + loutput->y,
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width, height);
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}
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static void set_activated(struct sway_view *view, bool activated) {
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if (xwayland_view_from_view(view) == NULL) {
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return;
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}
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struct wlr_xwayland_surface *surface = view->wlr_xwayland_surface;
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wlr_xwayland_surface_activate(surface, activated);
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}
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static void _close(struct sway_view *view) {
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if (xwayland_view_from_view(view) == NULL) {
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return;
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}
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wlr_xwayland_surface_close(view->wlr_xwayland_surface);
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}
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static void destroy(struct sway_view *view) {
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struct sway_xwayland_view *xwayland_view = xwayland_view_from_view(view);
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if (xwayland_view == NULL) {
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return;
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}
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wl_list_remove(&xwayland_view->destroy.link);
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wl_list_remove(&xwayland_view->request_configure.link);
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wl_list_remove(&xwayland_view->map.link);
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wl_list_remove(&xwayland_view->unmap.link);
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free(xwayland_view);
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}
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static const struct sway_view_impl view_impl = {
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.get_prop = get_prop,
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.configure = configure,
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.set_activated = set_activated,
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.close = _close,
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};
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static void handle_commit(struct wl_listener *listener, void *data) {
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struct sway_xwayland_view *xwayland_view =
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wl_container_of(listener, xwayland_view, commit);
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struct sway_view *view = &xwayland_view->view;
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// NOTE: We intentionally discard the view's desired width here
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// TODO: Let floating views do whatever
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view_update_size(view, xwayland_view->pending_width,
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xwayland_view->pending_height);
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view_damage_from(view);
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}
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static void handle_destroy(struct wl_listener *listener, void *data) {
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struct sway_xwayland_view *xwayland_view =
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wl_container_of(listener, xwayland_view, destroy);
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view_destroy(&xwayland_view->view);
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}
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static void handle_unmap(struct wl_listener *listener, void *data) {
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struct sway_xwayland_view *xwayland_view =
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wl_container_of(listener, xwayland_view, unmap);
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wl_list_remove(&xwayland_view->commit.link);
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view_unmap(&xwayland_view->view);
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}
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static void handle_map(struct wl_listener *listener, void *data) {
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struct sway_xwayland_view *xwayland_view =
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wl_container_of(listener, xwayland_view, map);
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struct wlr_xwayland_surface *xsurface = data;
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struct sway_view *view = &xwayland_view->view;
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// Wire up the commit listener here, because xwayland map/unmap can change
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// the underlying wlr_surface
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wl_signal_add(&xsurface->surface->events.commit, &xwayland_view->commit);
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xwayland_view->commit.notify = handle_commit;
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// Put it back into the tree
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wlr_xwayland_surface_set_maximized(xsurface, true);
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view_map(view, xsurface->surface);
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}
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static void handle_request_configure(struct wl_listener *listener, void *data) {
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struct sway_xwayland_view *xwayland_view =
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wl_container_of(listener, xwayland_view, request_configure);
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struct wlr_xwayland_surface_configure_event *ev = data;
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struct sway_view *view = &xwayland_view->view;
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struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
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// TODO: floating windows are allowed to move around like this, but make
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// sure tiling windows always stay in place.
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wlr_xwayland_surface_configure(xsurface, ev->x, ev->y,
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ev->width, ev->height);
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}
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void handle_xwayland_surface(struct wl_listener *listener, void *data) {
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struct sway_server *server = wl_container_of(listener, server,
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xwayland_surface);
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struct wlr_xwayland_surface *xsurface = data;
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if (wlr_xwayland_surface_is_unmanaged(xsurface) ||
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xsurface->override_redirect) {
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wlr_log(L_DEBUG, "New xwayland unmanaged surface");
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create_unmanaged(xsurface);
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return;
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}
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wlr_log(L_DEBUG, "New xwayland surface title='%s' class='%s'",
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xsurface->title, xsurface->class);
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struct sway_xwayland_view *xwayland_view =
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calloc(1, sizeof(struct sway_xwayland_view));
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if (!sway_assert(xwayland_view, "Failed to allocate view")) {
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return;
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}
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view_init(&xwayland_view->view, SWAY_VIEW_XWAYLAND, &view_impl);
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xwayland_view->view.wlr_xwayland_surface = xsurface;
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// TODO:
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// - Look up pid and open on appropriate workspace
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// - Criteria
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wl_signal_add(&xsurface->events.destroy, &xwayland_view->destroy);
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xwayland_view->destroy.notify = handle_destroy;
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wl_signal_add(&xsurface->events.request_configure,
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&xwayland_view->request_configure);
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xwayland_view->request_configure.notify = handle_request_configure;
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wl_signal_add(&xsurface->events.unmap, &xwayland_view->unmap);
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xwayland_view->unmap.notify = handle_unmap;
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wl_signal_add(&xsurface->events.map, &xwayland_view->map);
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xwayland_view->map.notify = handle_map;
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handle_map(&xwayland_view->map, xsurface);
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}
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