222 lines
7.2 KiB
C
222 lines
7.2 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 bool assert_xwayland(struct sway_view *view) {
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return sway_assert(view->type == SWAY_XWAYLAND_VIEW,
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"Expected xwayland 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 (!assert_xwayland(view)) {
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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 set_size(struct sway_view *view, int width, int height) {
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if (!assert_xwayland(view)) {
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return;
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}
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view->sway_xwayland_surface->pending_width = width;
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view->sway_xwayland_surface->pending_height = height;
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struct wlr_xwayland_surface *xsurface = view->wlr_xwayland_surface;
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wlr_xwayland_surface_configure(xsurface, view->swayc->x, view->swayc->y,
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width, height);
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}
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static void set_position(struct sway_view *view, double ox, double oy) {
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if (!assert_xwayland(view)) {
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return;
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}
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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->swayc->x = ox;
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view->swayc->y = oy;
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if (view->width == 0 || view->height == 0) {
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return;
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}
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wlr_xwayland_surface_configure(view->wlr_xwayland_surface,
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ox + loutput->x, oy + loutput->y,
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view->width, view->height);
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}
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static void set_activated(struct sway_view *view, bool activated) {
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if (!assert_xwayland(view)) {
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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_view(struct sway_view *view) {
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if (!assert_xwayland(view)) {
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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 handle_commit(struct wl_listener *listener, void *data) {
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struct sway_xwayland_surface *sway_surface =
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wl_container_of(listener, sway_surface, commit);
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struct sway_view *view = sway_surface->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->width = sway_surface->pending_width;
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view->height = sway_surface->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_surface *sway_surface =
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wl_container_of(listener, sway_surface, destroy);
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wl_list_remove(&sway_surface->commit.link);
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wl_list_remove(&sway_surface->destroy.link);
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wl_list_remove(&sway_surface->request_configure.link);
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wl_list_remove(&sway_surface->view->unmanaged_view_link);
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container_view_destroy(sway_surface->view->swayc);
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sway_surface->view->swayc = NULL;
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sway_surface->view->surface = NULL;
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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_surface *sway_surface =
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wl_container_of(listener, sway_surface, unmap);
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view_damage_whole(sway_surface->view);
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wl_list_remove(&sway_surface->view->unmanaged_view_link);
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wl_list_init(&sway_surface->view->unmanaged_view_link);
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container_view_destroy(sway_surface->view->swayc);
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sway_surface->view->swayc = NULL;
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sway_surface->view->surface = NULL;
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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_surface *sway_surface =
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wl_container_of(listener, sway_surface, map);
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struct wlr_xwayland_surface *xsurface = data;
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sway_surface->view->surface = xsurface->surface;
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// put it back into the tree
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if (wlr_xwayland_surface_is_unmanaged(xsurface) ||
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xsurface->override_redirect) {
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wl_list_remove(&sway_surface->view->unmanaged_view_link);
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wl_list_insert(&root_container.sway_root->unmanaged_views,
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&sway_surface->view->unmanaged_view_link);
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} else {
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struct sway_view *view = sway_surface->view;
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container_view_destroy(view->swayc);
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struct sway_seat *seat = input_manager_current_seat(input_manager);
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struct sway_container *focus = sway_seat_get_focus_inactive(seat, &root_container);
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struct sway_container *cont = container_view_create(focus, view);
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view->swayc = cont;
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arrange_windows(cont->parent, -1, -1);
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sway_input_manager_set_focus(input_manager, cont);
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}
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view_damage_whole(sway_surface->view);
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}
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static void handle_configure_request(struct wl_listener *listener, void *data) {
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struct sway_xwayland_surface *sway_surface =
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wl_container_of(listener, sway_surface, request_configure);
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struct wlr_xwayland_surface_configure_event *ev = data;
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struct sway_view *view = sway_surface->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(
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listener, server, xwayland_surface);
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struct wlr_xwayland_surface *xsurface = data;
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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_surface *sway_surface =
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calloc(1, sizeof(struct sway_xwayland_surface));
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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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struct sway_view *sway_view = calloc(1, sizeof(struct sway_view));
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if (!sway_assert(sway_view, "Failed to allocate view!")) {
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return;
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}
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sway_view->type = SWAY_XWAYLAND_VIEW;
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sway_view->iface.get_prop = get_prop;
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sway_view->iface.set_size = set_size;
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sway_view->iface.set_position = set_position;
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sway_view->iface.set_activated = set_activated;
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sway_view->iface.close = close_view;
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sway_view->wlr_xwayland_surface = xsurface;
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sway_view->sway_xwayland_surface = sway_surface;
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sway_surface->view = sway_view;
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wl_list_init(&sway_view->unmanaged_view_link);
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// TODO:
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// - Look up pid and open on appropriate workspace
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// - Set new view to maximized so it behaves nicely
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// - Criteria
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wl_signal_add(&xsurface->surface->events.commit, &sway_surface->commit);
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sway_surface->commit.notify = handle_commit;
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wl_signal_add(&xsurface->events.destroy, &sway_surface->destroy);
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sway_surface->destroy.notify = handle_destroy;
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wl_signal_add(&xsurface->events.request_configure,
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&sway_surface->request_configure);
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sway_surface->request_configure.notify = handle_configure_request;
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wl_signal_add(&xsurface->events.unmap, &sway_surface->unmap);
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sway_surface->unmap.notify = handle_unmap;
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wl_signal_add(&xsurface->events.map, &sway_surface->map);
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sway_surface->map.notify = handle_map;
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handle_map(&sway_surface->map, xsurface);
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}
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