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Merge pull request #2703 from RyanDwyer/csd-border

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Add CSD to border modes
This commit is contained in:
Drew DeVault 2018-10-03 13:03:06 +02:00 committed by GitHub
parent f74829d390 f16529e258
commit 06c214a800
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 301 additions and 142 deletions
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5
include/sway/server.h
View file

@ -54,6 +54,10 @@ struct sway_server {
struct wl_listener server_decoration;
struct wl_list decorations; // sway_server_decoration::link
struct wlr_xdg_decoration_manager_v1 *xdg_decoration_manager;
struct wl_listener xdg_decoration;
struct wl_list xdg_decorations; // sway_xdg_decoration::link
size_t txn_timeout_ms;
list_t *transactions;
list_t *dirty_nodes;
@ -78,5 +82,6 @@ void handle_xdg_shell_surface(struct wl_listener *listener, void *data);
void handle_xwayland_surface(struct wl_listener *listener, void *data);
#endif
void handle_server_decoration(struct wl_listener *listener, void *data);
void handle_xdg_decoration(struct wl_listener *listener, void *data);
#endif

2
include/sway/tree/container.h
View file

@ -28,6 +28,7 @@ enum sway_container_border {
B_NONE,
B_PIXEL,
B_NORMAL,
B_CSD,
};
struct sway_root;
@ -63,7 +64,6 @@ struct sway_container_state {
bool border_bottom;
bool border_left;
bool border_right;
bool using_csd;
};
struct sway_container {

32
include/sway/tree/view.h
View file

@ -11,6 +11,7 @@
#include "sway/input/seat.h"
struct sway_container;
struct sway_xdg_decoration;
enum sway_view_type {
SWAY_VIEW_XDG_SHELL_V6,
@ -44,7 +45,6 @@ struct sway_view_impl {
void (*set_tiled)(struct sway_view *view, bool tiled);
void (*set_fullscreen)(struct sway_view *view, bool fullscreen);
bool (*wants_floating)(struct sway_view *view);
bool (*has_client_side_decorations)(struct sway_view *view);
void (*for_each_surface)(struct sway_view *view,
wlr_surface_iterator_func_t iterator, void *user_data);
void (*for_each_popup)(struct sway_view *view,
@ -60,6 +60,7 @@ struct sway_view {
struct sway_container *container; // NULL if unmapped and transactions finished
struct wlr_surface *surface; // NULL for unmapped views
struct sway_xdg_decoration *xdg_decoration;
pid_t pid;
@ -75,13 +76,24 @@ struct sway_view {
int natural_width, natural_height;
char *title_format;
// Our border types are B_NONE, B_PIXEL, B_NORMAL and B_CSD. We normally
// just assign this to the border property and ignore the other two.
// However, when a view using CSD is tiled, we want to render our own
// borders as well. So in this case the border property becomes one of the
// first three, and using_csd is true.
// Lastly, views can change their decoration mode at any time. When an SSD
// view becomes CSD without our approval, we save the SSD border type so it
// can be restored if/when the view returns from CSD to SSD.
enum sway_container_border border;
enum sway_container_border saved_border;
bool using_csd;
int border_thickness;
bool border_top;
bool border_bottom;
bool border_left;
bool border_right;
bool using_csd;
struct timespec urgent;
bool allow_request_urgent;
@ -127,8 +139,6 @@ struct sway_view {
struct sway_xdg_shell_v6_view {
struct sway_view view;
enum wlr_server_decoration_manager_mode deco_mode;
struct wl_listener commit;
struct wl_listener request_move;
struct wl_listener request_resize;
@ -145,8 +155,6 @@ struct sway_xdg_shell_v6_view {
struct sway_xdg_shell_view {
struct sway_view view;
enum wlr_server_decoration_manager_mode deco_mode;
struct wl_listener commit;
struct wl_listener request_move;
struct wl_listener request_resize;
@ -175,6 +183,7 @@ struct sway_xwayland_view {
struct wl_listener set_role;
struct wl_listener set_window_type;
struct wl_listener set_hints;
struct wl_listener set_decorations;
struct wl_listener map;
struct wl_listener unmap;
struct wl_listener destroy;
@ -275,6 +284,17 @@ void view_set_activated(struct sway_view *view, bool activated);
*/
void view_request_activate(struct sway_view *view);
/**
* If possible, instructs the client to change their decoration mode.
*/
void view_set_csd_from_server(struct sway_view *view, bool enabled);
/**
* Updates the view's border setting when the client unexpectedly changes their
* decoration mode.
*/
void view_update_csd_from_client(struct sway_view *view, bool enabled);
void view_set_tiled(struct sway_view *view, bool tiled);
void view_close(struct sway_view *view);

19
include/sway/xdg_decoration.h Normal file
View file

@ -0,0 +1,19 @@
#ifndef _SWAY_XDG_DECORATION_H
#define _SWAY_XDG_DECORATION_H
#include <wlr/types/wlr_xdg_decoration_v1.h>
struct sway_xdg_decoration {
struct wlr_xdg_toplevel_decoration_v1 *wlr_xdg_decoration;
struct wl_list link;
struct sway_view *view;
struct wl_listener destroy;
struct wl_listener request_mode;
};
struct sway_xdg_decoration *xdg_decoration_from_surface(
struct wlr_surface *surface);
#endif

59
sway/commands/border.c
View file

@ -7,6 +7,51 @@
#include "sway/tree/container.h"
#include "sway/tree/view.h"
// A couple of things here:
// - view->border should never be B_CSD when the view is tiled, even when CSD is
// in use (we set using_csd instead and render a sway border).
// - view->saved_border should be the last applied border when switching to CSD.
// - view->using_csd should always reflect whether CSD is applied or not.
static void set_border(struct sway_view *view,
enum sway_container_border new_border) {
if (view->using_csd && new_border != B_CSD) {
view_set_csd_from_server(view, false);
} else if (!view->using_csd && new_border == B_CSD) {
view_set_csd_from_server(view, true);
view->saved_border = view->border;
}
if (new_border != B_CSD || container_is_floating(view->container)) {
view->border = new_border;
}
view->using_csd = new_border == B_CSD;
}
static void border_toggle(struct sway_view *view) {
if (view->using_csd) {
set_border(view, B_NONE);
return;
}
switch (view->border) {
case B_NONE:
set_border(view, B_PIXEL);
break;
case B_PIXEL:
set_border(view, B_NORMAL);
break;
case B_NORMAL:
if (view->xdg_decoration) {
set_border(view, B_CSD);
} else {
set_border(view, B_NONE);
}
break;
case B_CSD:
// view->using_csd should be true so it would have returned above
sway_assert(false, "Unreachable");
break;
}
}
struct cmd_results *cmd_border(int argc, char **argv) {
struct cmd_results *error = NULL;
if ((error = checkarg(argc, "border", EXPECTED_AT_LEAST, 1))) {
@ -21,13 +66,19 @@ struct cmd_results *cmd_border(int argc, char **argv) {
struct sway_view *view = container->view;
if (strcmp(argv[0], "none") == 0) {
view->border = B_NONE;
set_border(view, B_NONE);
} else if (strcmp(argv[0], "normal") == 0) {
view->border = B_NORMAL;
set_border(view, B_NORMAL);
} else if (strcmp(argv[0], "pixel") == 0) {
view->border = B_PIXEL;
set_border(view, B_PIXEL);
} else if (strcmp(argv[0], "csd") == 0) {
if (!view->xdg_decoration) {
return cmd_results_new(CMD_INVALID, "border",
"This window doesn't support client side decorations");
}
set_border(view, B_CSD);
} else if (strcmp(argv[0], "toggle") == 0) {
view->border = (view->border + 1) % 3;
border_toggle(view);
} else {
return cmd_results_new(CMD_INVALID, "border",
"Expected 'border <none|normal|pixel|toggle>' "

22
sway/decoration.c
View file

@ -1,6 +1,8 @@
#include <stdlib.h>
#include "sway/decoration.h"
#include "sway/desktop/transaction.h"
#include "sway/server.h"
#include "sway/tree/arrange.h"
#include "sway/tree/view.h"
#include "log.h"
@ -24,20 +26,12 @@ static void server_decoration_handle_mode(struct wl_listener *listener,
return;
}
switch (view->type) {
case SWAY_VIEW_XDG_SHELL_V6:;
struct sway_xdg_shell_v6_view *xdg_shell_v6_view =
(struct sway_xdg_shell_v6_view *)view;
xdg_shell_v6_view->deco_mode = deco->wlr_server_decoration->mode;
break;
case SWAY_VIEW_XDG_SHELL:;
struct sway_xdg_shell_view *xdg_shell_view =
(struct sway_xdg_shell_view *)view;
xdg_shell_view->deco_mode = deco->wlr_server_decoration->mode;
break;
default:
break;
}
bool csd = deco->wlr_server_decoration->mode ==
WLR_SERVER_DECORATION_MANAGER_MODE_CLIENT;
view_update_csd_from_client(view, csd);
arrange_container(view->container);
transaction_commit_dirty();
}
void handle_server_decoration(struct wl_listener *listener, void *data) {

12
sway/desktop/render.c
View file

@ -272,7 +272,7 @@ static void render_view(struct sway_output *output, pixman_region32_t *damage,
render_view_toplevels(view, output, damage, view->container->alpha);
}
if (view->container->current.using_csd) {
if (con->current.border == B_NONE || con->current.border == B_CSD) {
return;
}
@ -281,7 +281,6 @@ static void render_view(struct sway_output *output, pixman_region32_t *damage,
float color[4];
struct sway_container_state *state = &con->current;
if (state->border != B_NONE) {
if (state->border_left) {
memcpy(&color, colors->child_border, sizeof(float) * 4);
premultiply_alpha(color, con->alpha);
@ -327,7 +326,6 @@ static void render_view(struct sway_output *output, pixman_region32_t *damage,
render_rect(output->wlr_output, damage, &box, color);
}
}
}
/**
* Render a titlebar.
@ -645,15 +643,13 @@ static void render_containers_linear(struct sway_output *output,
marks_texture = view->marks_unfocused;
}
if (!view->container->current.using_csd) {
if (state->border == B_NORMAL) {
render_titlebar(output, damage, child, state->con_x,
state->con_y, state->con_width, colors,
title_texture, marks_texture);
} else {
} else if (state->border == B_PIXEL) {
render_top_border(output, damage, child, colors);
}
}
render_view(output, damage, child, colors);
} else {
render_container(output, damage, child,
@ -859,15 +855,13 @@ static void render_floating_container(struct sway_output *soutput,
marks_texture = view->marks_unfocused;
}
if (!view->container->current.using_csd) {
if (con->current.border == B_NORMAL) {
render_titlebar(soutput, damage, con, con->current.con_x,
con->current.con_y, con->current.con_width, colors,
title_texture, marks_texture);
} else if (con->current.border != B_NONE) {
} else if (con->current.border == B_PIXEL) {
render_top_border(soutput, damage, con, colors);
}
}
render_view(soutput, damage, con, colors);
} else {
render_container(soutput, damage, con, con->current.focused);

1
sway/desktop/transaction.c
View file

@ -148,7 +148,6 @@ static void copy_container_state(struct sway_container *container,
state->border_left = view->border_left;
state->border_right = view->border_right;
state->border_bottom = view->border_bottom;
state->using_csd = view->using_csd;
} else {
state->children = create_list();
list_cat(state->children, container->children);

22
sway/desktop/xdg_shell.c
View file

@ -175,15 +175,6 @@ static bool wants_floating(struct sway_view *view) {
|| toplevel->parent;
}
static bool has_client_side_decorations(struct sway_view *view) {
struct sway_xdg_shell_view *xdg_shell_view =
xdg_shell_view_from_view(view);
if (xdg_shell_view == NULL) {
return true;
}
return xdg_shell_view->deco_mode != WLR_SERVER_DECORATION_MANAGER_MODE_SERVER;
}
static void for_each_surface(struct sway_view *view,
wlr_surface_iterator_func_t iterator, void *user_data) {
if (xdg_shell_view_from_view(view) == NULL) {
@ -240,7 +231,6 @@ static const struct sway_view_impl view_impl = {
.set_tiled = set_tiled,
.set_fullscreen = set_fullscreen,
.wants_floating = wants_floating,
.has_client_side_decorations = has_client_side_decorations,
.for_each_surface = for_each_surface,
.for_each_popup = for_each_popup,
.close = _close,
@ -385,16 +375,16 @@ static void handle_map(struct wl_listener *listener, void *data) {
view->natural_height = view->wlr_xdg_surface->surface->current.height;
}
view_map(view, view->wlr_xdg_surface->surface);
if (!view->xdg_decoration) {
struct sway_server_decoration *deco =
decoration_from_surface(xdg_surface->surface);
if (deco != NULL) {
xdg_shell_view->deco_mode = deco->wlr_server_decoration->mode;
} else {
xdg_shell_view->deco_mode = WLR_SERVER_DECORATION_MANAGER_MODE_CLIENT;
bool csd = !deco || deco->wlr_server_decoration->mode ==
WLR_SERVER_DECORATION_MANAGER_MODE_CLIENT;
view_update_csd_from_client(view, csd);
}
view_map(view, view->wlr_xdg_surface->surface);
if (xdg_surface->toplevel->client_pending.fullscreen) {
container_set_fullscreen(view->container, true);
arrange_workspace(view->container->workspace);

22
sway/desktop/xdg_shell_v6.c
View file

@ -171,15 +171,6 @@ static bool wants_floating(struct sway_view *view) {
|| toplevel->parent;
}
static bool has_client_side_decorations(struct sway_view *view) {
struct sway_xdg_shell_v6_view *xdg_shell_v6_view =
xdg_shell_v6_view_from_view(view);
if (xdg_shell_v6_view == NULL) {
return true;
}
return xdg_shell_v6_view->deco_mode != WLR_SERVER_DECORATION_MANAGER_MODE_SERVER;
}
static void for_each_surface(struct sway_view *view,
wlr_surface_iterator_func_t iterator, void *user_data) {
if (xdg_shell_v6_view_from_view(view) == NULL) {
@ -237,7 +228,6 @@ static const struct sway_view_impl view_impl = {
.set_tiled = set_tiled,
.set_fullscreen = set_fullscreen,
.wants_floating = wants_floating,
.has_client_side_decorations = has_client_side_decorations,
.for_each_surface = for_each_surface,
.for_each_popup = for_each_popup,
.close = _close,
@ -382,15 +372,13 @@ static void handle_map(struct wl_listener *listener, void *data) {
view->natural_height = view->wlr_xdg_surface_v6->surface->current.height;
}
view_map(view, view->wlr_xdg_surface_v6->surface);
struct sway_server_decoration *deco =
decoration_from_surface(xdg_surface->surface);
if (deco != NULL) {
xdg_shell_v6_view->deco_mode = deco->wlr_server_decoration->mode;
} else {
xdg_shell_v6_view->deco_mode = WLR_SERVER_DECORATION_MANAGER_MODE_CLIENT;
}
view_map(view, view->wlr_xdg_surface_v6->surface);
bool csd = !deco || deco->wlr_server_decoration->mode ==
WLR_SERVER_DECORATION_MANAGER_MODE_CLIENT;
view_update_csd_from_client(view, csd);
if (xdg_surface->toplevel->client_pending.fullscreen) {
container_set_fullscreen(view->container, true);

20
sway/desktop/xwayland.c
View file

@ -243,12 +243,14 @@ static bool wants_floating(struct sway_view *view) {
return false;
}
static bool has_client_side_decorations(struct sway_view *view) {
if (xwayland_view_from_view(view) == NULL) {
return false;
}
struct wlr_xwayland_surface *surface = view->wlr_xwayland_surface;
return surface->decorations != WLR_XWAYLAND_SURFACE_DECORATIONS_ALL;
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 void _close(struct sway_view *view) {
@ -274,7 +276,6 @@ static const struct sway_view_impl view_impl = {
.set_tiled = set_tiled,
.set_fullscreen = set_fullscreen,
.wants_floating = wants_floating,
.has_client_side_decorations = has_client_side_decorations,
.close = _close,
.destroy = destroy,
};
@ -343,6 +344,7 @@ static void handle_destroy(struct wl_listener *listener, void *data) {
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);
@ -613,6 +615,10 @@ void handle_xwayland_surface(struct wl_listener *listener, void *data) {
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;

3
sway/input/cursor.c
View file

@ -175,7 +175,8 @@ static enum wlr_edges find_edge(struct sway_container *cont,
return WLR_EDGE_NONE;
}
struct sway_view *view = cont->view;
if (view->border == B_NONE || !view->border_thickness || view->using_csd) {
if (view->border == B_NONE || !view->border_thickness ||
view->border == B_CSD) {
return WLR_EDGE_NONE;
}

2
sway/ipc-json.c
View file

@ -216,6 +216,8 @@ static const char *describe_container_border(enum sway_container_border border)
return "pixel";
case B_NORMAL:
return "normal";
case B_CSD:
return "csd";
}
return "unknown";
}

1
sway/meson.build
View file

@ -10,6 +10,7 @@ sway_sources = files(
'security.c',
'server.c',
'swaynag.c',
'xdg_decoration.c',
'desktop/desktop.c',
'desktop/idle_inhibit_v1.c',

9
sway/server.c
View file

@ -16,6 +16,7 @@
#include <wlr/types/wlr_screencopy_v1.h>
#include <wlr/types/wlr_server_decoration.h>
#include <wlr/types/wlr_xcursor_manager.h>
#include <wlr/types/wlr_xdg_decoration_v1.h>
#include <wlr/types/wlr_xdg_output_v1.h>
#include <wlr/util/log.h>
#include "list.h"
@ -115,6 +116,14 @@ bool server_init(struct sway_server *server) {
server->server_decoration.notify = handle_server_decoration;
wl_list_init(&server->decorations);
server->xdg_decoration_manager =
wlr_xdg_decoration_manager_v1_create(server->wl_display);
wl_signal_add(
&server->xdg_decoration_manager->events.new_toplevel_decoration,
&server->xdg_decoration);
server->xdg_decoration.notify = handle_xdg_decoration;
wl_list_init(&server->xdg_decorations);
wlr_export_dmabuf_manager_v1_create(server->wl_display);
wlr_screencopy_manager_v1_create(server->wl_display);

8
sway/tree/container.c
View file

@ -669,6 +669,9 @@ void container_set_floating(struct sway_container *container, bool enable) {
container_init_floating(container);
if (container->view) {
view_set_tiled(container->view, false);
if (container->view->using_csd) {
container->view->border = B_CSD;
}
}
if (old_parent) {
container_reap_empty(old_parent);
@ -695,6 +698,9 @@ void container_set_floating(struct sway_container *container, bool enable) {
}
if (container->view) {
view_set_tiled(container->view, true);
if (container->view->using_csd) {
container->view->border = container->view->saved_border;
}
}
container->is_sticky = false;
}
@ -715,7 +721,7 @@ void container_set_geometry_from_floating_view(struct sway_container *con) {
size_t border_width = 0;
size_t top = 0;
if (!view->using_csd) {
if (view->border != B_CSD) {
border_width = view->border_thickness * (view->border != B_NONE);
top = view->border == B_NORMAL ?
container_titlebar_height() : border_width;

41
sway/tree/view.c
View file

@ -5,6 +5,8 @@
#include <wlr/render/wlr_renderer.h>
#include <wlr/types/wlr_buffer.h>
#include <wlr/types/wlr_output_layout.h>
#include <wlr/types/wlr_server_decoration.h>
#include <wlr/types/wlr_xdg_decoration_v1.h>
#include "config.h"
#ifdef HAVE_XWAYLAND
#include <wlr/xwayland.h>
@ -23,6 +25,7 @@
#include "sway/tree/view.h"
#include "sway/tree/workspace.h"
#include "sway/config.h"
#include "sway/xdg_decoration.h"
#include "pango.h"
#include "stringop.h"
@ -248,12 +251,8 @@ void view_autoconfigure(struct sway_view *view) {
view->border_top = false;
}
enum sway_container_border border = view->border;
if (view->using_csd) {
border = B_NONE;
}
switch (border) {
switch (view->border) {
case B_CSD:
case B_NONE:
x = con->x;
y = con->y + y_offset;
@ -326,16 +325,32 @@ void view_request_activate(struct sway_view *view) {
}
}
void view_set_tiled(struct sway_view *view, bool tiled) {
if (!tiled) {
view->using_csd = true;
if (view->impl->has_client_side_decorations) {
view->using_csd = view->impl->has_client_side_decorations(view);
void view_set_csd_from_server(struct sway_view *view, bool enabled) {
wlr_log(WLR_DEBUG, "Telling view %p to set CSD to %i", view, enabled);
if (view->xdg_decoration) {
uint32_t mode = enabled ?
WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_CLIENT_SIDE :
WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE;
wlr_xdg_toplevel_decoration_v1_set_mode(
view->xdg_decoration->wlr_xdg_decoration, mode);
}
} else {
view->using_csd = false;
view->using_csd = enabled;
}
void view_update_csd_from_client(struct sway_view *view, bool enabled) {
wlr_log(WLR_DEBUG, "View %p updated CSD to %i", view, enabled);
if (enabled && view->border != B_CSD) {
view->saved_border = view->border;
if (container_is_floating(view->container)) {
view->border = B_CSD;
}
} else if (!enabled && view->border == B_CSD) {
view->border = view->saved_border;
}
view->using_csd = enabled;
}
void view_set_tiled(struct sway_view *view, bool tiled) {
if (view->impl->set_tiled) {
view->impl->set_tiled(view, tiled);
}

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sway/xdg_decoration.c Normal file
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#include <stdlib.h>
#include "sway/desktop/transaction.h"
#include "sway/server.h"
#include "sway/tree/arrange.h"
#include "sway/tree/view.h"
#include "sway/xdg_decoration.h"
#include "log.h"
static void xdg_decoration_handle_destroy(struct wl_listener *listener,
void *data) {
struct sway_xdg_decoration *deco =
wl_container_of(listener, deco, destroy);
deco->view->xdg_decoration = NULL;
wl_list_remove(&deco->destroy.link);
wl_list_remove(&deco->request_mode.link);
wl_list_remove(&deco->link);
free(deco);
}
static void xdg_decoration_handle_request_mode(struct wl_listener *listener,
void *data) {
struct sway_xdg_decoration *deco =
wl_container_of(listener, deco, request_mode);
wlr_xdg_toplevel_decoration_v1_set_mode(deco->wlr_xdg_decoration,
WLR_XDG_TOPLEVEL_DECORATION_V1_MODE_SERVER_SIDE);
}
void handle_xdg_decoration(struct wl_listener *listener, void *data) {
struct wlr_xdg_toplevel_decoration_v1 *wlr_deco = data;
struct sway_xdg_shell_view *xdg_shell_view = wlr_deco->surface->data;
struct sway_xdg_decoration *deco = calloc(1, sizeof(*deco));
if (deco == NULL) {
return;
}
deco->view = &xdg_shell_view->view;
deco->view->xdg_decoration = deco;
deco->wlr_xdg_decoration = wlr_deco;
wl_signal_add(&wlr_deco->events.destroy, &deco->destroy);
deco->destroy.notify = xdg_decoration_handle_destroy;
wl_signal_add(&wlr_deco->events.request_mode, &deco->request_mode);
deco->request_mode.notify = xdg_decoration_handle_request_mode;
wl_list_insert(&server.xdg_decorations, &deco->link);
}
struct sway_xdg_decoration *xdg_decoration_from_surface(
struct wlr_surface *surface) {
struct sway_xdg_decoration *deco;
wl_list_for_each(deco, &server.xdg_decorations, link) {
if (deco->wlr_xdg_decoration->surface->surface == surface) {
return deco;
}
}
return NULL;
}