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weston/libweston-desktop/xdg-shell-v5.c

821 lines
25 KiB

/*
* Copyright © 2010-2012 Intel Corporation
* Copyright © 2011-2012 Collabora, Ltd.
* Copyright © 2013 Raspberry Pi Foundation
* Copyright © 2016 Quentin "Sardem FF7" Glidic
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include "config.h"
#include <stdbool.h>
#include <wayland-server.h>
#include "compositor.h"
#include "zalloc.h"
#include "protocol/xdg-shell-unstable-v5-server-protocol.h"
#include "libweston-desktop.h"
#include "internal.h"
#define WD_XDG_SHELL_PROTOCOL_VERSION 1
struct weston_desktop_xdg_surface {
struct wl_resource *resource;
struct weston_desktop_surface *surface;
struct weston_desktop *desktop;
bool added;
struct wl_event_source *add_idle;
struct wl_event_source *configure_idle;
uint32_t configure_serial;
struct weston_size requested_size;
struct {
bool maximized;
bool fullscreen;
bool resizing;
bool activated;
} requested_state, next_state, state;
bool has_next_geometry;
struct weston_geometry next_geometry;
};
struct weston_desktop_xdg_popup {
struct wl_resource *resource;
struct weston_desktop_surface *popup;
struct weston_desktop *desktop;
struct weston_desktop_seat *seat;
struct wl_display *display;
};
static void
weston_desktop_xdg_surface_ensure_added(struct weston_desktop_xdg_surface *surface)
{
if (surface->added)
return;
if (surface->add_idle != NULL)
wl_event_source_remove(surface->add_idle);
surface->add_idle = NULL;
weston_desktop_api_surface_added(surface->desktop, surface->surface);
surface->added = true;
}
static void
weston_desktop_xdg_surface_send_configure(void *data)
{
struct weston_desktop_xdg_surface *surface = data;
uint32_t *s;
struct wl_array states;
surface->configure_idle = NULL;
surface->configure_serial =
wl_display_next_serial(weston_desktop_get_display(surface->desktop));
wl_array_init(&states);
if (surface->requested_state.maximized) {
s = wl_array_add(&states, sizeof(uint32_t));
*s = XDG_SURFACE_STATE_MAXIMIZED;
}
if (surface->requested_state.fullscreen) {
s = wl_array_add(&states, sizeof(uint32_t));
*s = XDG_SURFACE_STATE_FULLSCREEN;
}
if (surface->requested_state.resizing) {
s = wl_array_add(&states, sizeof(uint32_t));
*s = XDG_SURFACE_STATE_RESIZING;
}
if (surface->requested_state.activated) {
s = wl_array_add(&states, sizeof(uint32_t));
*s = XDG_SURFACE_STATE_ACTIVATED;
}
xdg_surface_send_configure(surface->resource,
surface->requested_size.width,
surface->requested_size.height,
&states,
surface->configure_serial);
wl_array_release(&states);
};
static void
weston_desktop_xdg_surface_schedule_configure(struct weston_desktop_xdg_surface *surface)
{
struct wl_display *display = weston_desktop_get_display(surface->desktop);
struct wl_event_loop *loop = wl_display_get_event_loop(display);
if (surface->configure_idle != NULL)
return;
surface->configure_idle =
wl_event_loop_add_idle(loop,
weston_desktop_xdg_surface_send_configure,
surface);
}
static void
weston_desktop_xdg_surface_set_maximized(struct weston_desktop_surface *dsurface,
void *user_data, bool maximized)
{
struct weston_desktop_xdg_surface *surface = user_data;
if (surface->state.maximized == maximized)
return;
surface->requested_state.maximized = maximized;
weston_desktop_xdg_surface_schedule_configure(surface);
}
static void
weston_desktop_xdg_surface_set_fullscreen(struct weston_desktop_surface *dsurface,
void *user_data, bool fullscreen)
{
struct weston_desktop_xdg_surface *surface = user_data;
if (surface->state.fullscreen == fullscreen)
return;
surface->requested_state.fullscreen = fullscreen;
weston_desktop_xdg_surface_schedule_configure(surface);
}
static void
weston_desktop_xdg_surface_set_resizing(struct weston_desktop_surface *dsurface,
void *user_data, bool resizing)
{
struct weston_desktop_xdg_surface *surface = user_data;
if (surface->state.resizing == resizing)
return;
surface->requested_state.resizing = resizing;
weston_desktop_xdg_surface_schedule_configure(surface);
}
static void
weston_desktop_xdg_surface_set_activated(struct weston_desktop_surface *dsurface,
void *user_data, bool activated)
{
struct weston_desktop_xdg_surface *surface = user_data;
if (surface->state.activated == activated)
return;
surface->requested_state.activated = activated;
weston_desktop_xdg_surface_schedule_configure(surface);
}
static void
weston_desktop_xdg_surface_set_size(struct weston_desktop_surface *dsurface,
void *user_data,
int32_t width, int32_t height)
{
struct weston_desktop_xdg_surface *surface = user_data;
struct weston_surface *wsurface = weston_desktop_surface_get_surface(surface->surface);
if (wsurface->width == width && wsurface->height == height)
return;
surface->requested_size.width = width;
surface->requested_size.height = height;
weston_desktop_xdg_surface_schedule_configure(surface);
}
static void
weston_desktop_xdg_surface_committed(struct weston_desktop_surface *dsurface,
void *user_data,
int32_t sx, int32_t sy)
{
struct weston_desktop_xdg_surface *surface = user_data;
struct weston_surface *wsurface =
weston_desktop_surface_get_surface(surface->surface);
bool reconfigure = false;
if (surface->next_state.maximized || surface->next_state.fullscreen)
reconfigure = surface->requested_size.width != wsurface->width ||
surface->requested_size.height != wsurface->height;
if (reconfigure) {
weston_desktop_xdg_surface_schedule_configure(surface);
} else {
surface->state = surface->next_state;
if (surface->has_next_geometry) {
surface->has_next_geometry = false;
weston_desktop_surface_set_geometry(surface->surface,
surface->next_geometry);
}
weston_desktop_xdg_surface_ensure_added(surface);
weston_desktop_api_committed(surface->desktop, surface->surface,
sx, sy);
}
}
static void
weston_desktop_xdg_surface_ping(struct weston_desktop_surface *dsurface,
uint32_t serial, void *user_data)
{
struct weston_desktop_client *client =
weston_desktop_surface_get_client(dsurface);
xdg_shell_send_ping(weston_desktop_client_get_resource(client),
serial);
}
static void
weston_desktop_xdg_surface_close(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_surface *surface = user_data;
xdg_surface_send_close(surface->resource);
}
static bool
weston_desktop_xdg_surface_get_maximized(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_surface *surface = user_data;
return surface->state.maximized;
}
static bool
weston_desktop_xdg_surface_get_fullscreen(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_surface *surface = user_data;
return surface->state.fullscreen;
}
static bool
weston_desktop_xdg_surface_get_resizing(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_surface *surface = user_data;
return surface->state.resizing;
}
static bool
weston_desktop_xdg_surface_get_activated(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_surface *surface = user_data;
return surface->state.activated;
}
static void
weston_desktop_xdg_surface_destroy(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_surface *surface = user_data;
if (surface->added)
weston_desktop_api_surface_removed(surface->desktop,
surface->surface);
if (surface->add_idle != NULL)
wl_event_source_remove(surface->add_idle);
if (surface->configure_idle != NULL)
wl_event_source_remove(surface->configure_idle);
free(surface);
}
static void
weston_desktop_xdg_surface_protocol_set_parent(struct wl_client *wl_client,
struct wl_resource *resource,
struct wl_resource *parent_resource)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_desktop_xdg_surface *surface =
weston_desktop_surface_get_implementation_data(dsurface);
struct weston_desktop_surface *parent = NULL;
if (parent_resource != NULL)
parent = wl_resource_get_user_data(parent_resource);
weston_desktop_xdg_surface_ensure_added(surface);
weston_desktop_api_set_parent(surface->desktop, dsurface, parent);
}
static void
weston_desktop_xdg_surface_protocol_set_title(struct wl_client *wl_client,
struct wl_resource *resource,
const char *title)
{
struct weston_desktop_surface *surface =
wl_resource_get_user_data(resource);
weston_desktop_surface_set_title(surface, title);
}
static void
weston_desktop_xdg_surface_protocol_set_app_id(struct wl_client *wl_client,
struct wl_resource *resource,
const char *app_id)
{
struct weston_desktop_surface *surface =
wl_resource_get_user_data(resource);
weston_desktop_surface_set_app_id(surface, app_id);
}
static void
weston_desktop_xdg_surface_protocol_show_window_menu(struct wl_client *wl_client,
struct wl_resource *resource,
struct wl_resource *seat_resource,
uint32_t serial,
int32_t x, int32_t y)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_seat *seat =
wl_resource_get_user_data(seat_resource);
struct weston_desktop_xdg_surface *surface =
weston_desktop_surface_get_implementation_data(dsurface);
weston_desktop_xdg_surface_ensure_added(surface);
weston_desktop_api_show_window_menu(surface->desktop, dsurface, seat, x, y);
}
static void
weston_desktop_xdg_surface_protocol_move(struct wl_client *wl_client,
struct wl_resource *resource,
struct wl_resource *seat_resource,
uint32_t serial)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_seat *seat =
wl_resource_get_user_data(seat_resource);
struct weston_desktop_xdg_surface *surface =
weston_desktop_surface_get_implementation_data(dsurface);
weston_desktop_xdg_surface_ensure_added(surface);
weston_desktop_api_move(surface->desktop, dsurface, seat, serial);
}
static void
weston_desktop_xdg_surface_protocol_resize(struct wl_client *wl_client,
struct wl_resource *resource,
struct wl_resource *seat_resource,
uint32_t serial,
enum xdg_surface_resize_edge edges)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_seat *seat =
wl_resource_get_user_data(seat_resource);
struct weston_desktop_xdg_surface *surface =
weston_desktop_surface_get_implementation_data(dsurface);
weston_desktop_xdg_surface_ensure_added(surface);
weston_desktop_api_resize(surface->desktop, dsurface, seat, serial, edges);
}
static void
weston_desktop_xdg_surface_protocol_ack_configure(struct wl_client *wl_client,
struct wl_resource *resource,
uint32_t serial)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_desktop_xdg_surface *surface =
weston_desktop_surface_get_implementation_data(dsurface);
if (surface->configure_serial != serial)
return;
surface->next_state = surface->requested_state;
}
static void
weston_desktop_xdg_surface_protocol_set_window_geometry(struct wl_client *wl_client,
struct wl_resource *resource,
int32_t x, int32_t y,
int32_t width, int32_t height)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_desktop_xdg_surface *surface =
weston_desktop_surface_get_implementation_data(dsurface);
surface->has_next_geometry = true;
surface->next_geometry.x = x;
surface->next_geometry.y = y;
surface->next_geometry.width = width;
surface->next_geometry.height = height;
}
static void
weston_desktop_xdg_surface_protocol_set_maximized(struct wl_client *wl_client,
struct wl_resource *resource)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_desktop_xdg_surface *surface =
weston_desktop_surface_get_implementation_data(dsurface);
weston_desktop_xdg_surface_ensure_added(surface);
weston_desktop_api_maximized_requested(surface->desktop, dsurface, true);
}
static void
weston_desktop_xdg_surface_protocol_unset_maximized(struct wl_client *wl_client,
struct wl_resource *resource)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_desktop_xdg_surface *surface =
weston_desktop_surface_get_implementation_data(dsurface);
weston_desktop_xdg_surface_ensure_added(surface);
weston_desktop_api_maximized_requested(surface->desktop, dsurface, false);
}
static void
weston_desktop_xdg_surface_protocol_set_fullscreen(struct wl_client *wl_client,
struct wl_resource *resource,
struct wl_resource *output_resource)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_desktop_xdg_surface *surface =
weston_desktop_surface_get_implementation_data(dsurface);
struct weston_output *output = NULL;
if (output_resource != NULL)
output = wl_resource_get_user_data(output_resource);
weston_desktop_xdg_surface_ensure_added(surface);
weston_desktop_api_fullscreen_requested(surface->desktop, dsurface,
true, output);
}
static void
weston_desktop_xdg_surface_protocol_unset_fullscreen(struct wl_client *wl_client,
struct wl_resource *resource)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_desktop_xdg_surface *surface =
weston_desktop_surface_get_implementation_data(dsurface);
weston_desktop_xdg_surface_ensure_added(surface);
weston_desktop_api_fullscreen_requested(surface->desktop, dsurface,
false, NULL);
}
static void
weston_desktop_xdg_surface_protocol_set_minimized(struct wl_client *wl_client,
struct wl_resource *resource)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_desktop_xdg_surface *surface =
weston_desktop_surface_get_implementation_data(dsurface);
weston_desktop_xdg_surface_ensure_added(surface);
weston_desktop_api_minimized_requested(surface->desktop, dsurface);
}
static const struct xdg_surface_interface weston_desktop_xdg_surface_implementation = {
.destroy = weston_desktop_destroy_request,
.set_parent = weston_desktop_xdg_surface_protocol_set_parent,
.set_title = weston_desktop_xdg_surface_protocol_set_title,
.set_app_id = weston_desktop_xdg_surface_protocol_set_app_id,
.show_window_menu = weston_desktop_xdg_surface_protocol_show_window_menu,
.move = weston_desktop_xdg_surface_protocol_move,
.resize = weston_desktop_xdg_surface_protocol_resize,
.ack_configure = weston_desktop_xdg_surface_protocol_ack_configure,
.set_window_geometry = weston_desktop_xdg_surface_protocol_set_window_geometry,
.set_maximized = weston_desktop_xdg_surface_protocol_set_maximized,
.unset_maximized = weston_desktop_xdg_surface_protocol_unset_maximized,
.set_fullscreen = weston_desktop_xdg_surface_protocol_set_fullscreen,
.unset_fullscreen = weston_desktop_xdg_surface_protocol_unset_fullscreen,
.set_minimized = weston_desktop_xdg_surface_protocol_set_minimized,
};
static const struct weston_desktop_surface_implementation weston_desktop_xdg_surface_internal_implementation = {
.set_maximized = weston_desktop_xdg_surface_set_maximized,
.set_fullscreen = weston_desktop_xdg_surface_set_fullscreen,
.set_resizing = weston_desktop_xdg_surface_set_resizing,
.set_activated = weston_desktop_xdg_surface_set_activated,
.set_size = weston_desktop_xdg_surface_set_size,
.committed = weston_desktop_xdg_surface_committed,
.ping = weston_desktop_xdg_surface_ping,
.close = weston_desktop_xdg_surface_close,
.get_maximized = weston_desktop_xdg_surface_get_maximized,
.get_fullscreen = weston_desktop_xdg_surface_get_fullscreen,
.get_resizing = weston_desktop_xdg_surface_get_resizing,
.get_activated = weston_desktop_xdg_surface_get_activated,
.destroy = weston_desktop_xdg_surface_destroy,
};
static void
weston_desktop_xdg_popup_close(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_popup *popup = user_data;
xdg_popup_send_popup_done(popup->resource);
}
static void
weston_desktop_xdg_popup_destroy(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_popup *popup = user_data;
struct weston_desktop_surface *topmost;
struct weston_desktop_client *client =
weston_desktop_surface_get_client(popup->popup);
if (!weston_desktop_surface_get_grab(popup->popup))
goto end;
topmost = weston_desktop_seat_popup_grab_get_topmost_surface(popup->seat);
if (topmost != popup->popup) {
struct wl_resource *client_resource =
weston_desktop_client_get_resource(client);
wl_resource_post_error(client_resource,
XDG_SHELL_ERROR_NOT_THE_TOPMOST_POPUP,
"xdg_popup was destroyed while it was not the topmost popup.");
}
weston_desktop_surface_popup_ungrab(popup->popup, popup->seat);
end:
free(popup);
}
static const struct xdg_popup_interface weston_desktop_xdg_popup_implementation = {
.destroy = weston_desktop_destroy_request,
};
static const struct weston_desktop_surface_implementation weston_desktop_xdg_popup_internal_implementation = {
.close = weston_desktop_xdg_popup_close,
.destroy = weston_desktop_xdg_popup_destroy,
};
static void
weston_desktop_xdg_shell_protocol_use_unstable_version(struct wl_client *wl_client,
struct wl_resource *resource,
int32_t version)
{
if (version > 1) {
wl_resource_post_error(resource,
1, "xdg_shell version not supported");
return;
}
}
static void
weston_desktop_xdg_surface_add_idle_callback(void *user_data)
{
struct weston_desktop_xdg_surface *surface = user_data;
surface->add_idle = NULL;
weston_desktop_xdg_surface_ensure_added(surface);
}
static void
weston_desktop_xdg_shell_protocol_get_xdg_surface(struct wl_client *wl_client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *surface_resource)
{
struct weston_desktop_client *client =
wl_resource_get_user_data(resource);
struct weston_desktop *desktop =
weston_desktop_client_get_desktop(client);
struct weston_surface *wsurface =
wl_resource_get_user_data(surface_resource);
struct weston_desktop_xdg_surface *surface;
struct wl_display *display = weston_desktop_get_display(desktop);
struct wl_event_loop *loop = wl_display_get_event_loop(display);
if (weston_surface_set_role(wsurface, "xdg_surface", resource, XDG_SHELL_ERROR_ROLE) < 0)
return;
surface = zalloc(sizeof(struct weston_desktop_xdg_surface));
if (surface == NULL) {
wl_client_post_no_memory(wl_client);
return;
}
surface->desktop = desktop;
surface->surface =
weston_desktop_surface_create(surface->desktop, client,
wsurface,
&weston_desktop_xdg_surface_internal_implementation,
surface);
if (surface->surface == NULL) {
free(surface);
return;
}
surface->resource =
weston_desktop_surface_add_resource(surface->surface,
&xdg_surface_interface,
&weston_desktop_xdg_surface_implementation,
id, NULL);
if (surface->resource == NULL)
return;
surface->add_idle =
wl_event_loop_add_idle(loop,
weston_desktop_xdg_surface_add_idle_callback,
surface);
}
static void
weston_desktop_xdg_shell_protocol_get_xdg_popup(struct wl_client *wl_client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *surface_resource,
struct wl_resource *parent_resource,
struct wl_resource *seat_resource,
uint32_t serial,
int32_t x, int32_t y)
{
struct weston_desktop_client *client =
wl_resource_get_user_data(resource);
struct weston_surface *wsurface =
wl_resource_get_user_data(surface_resource);
struct weston_surface *wparent =
wl_resource_get_user_data(parent_resource);
struct weston_seat *wseat = wl_resource_get_user_data(seat_resource);
struct weston_desktop_seat *seat = weston_desktop_seat_from_seat(wseat);
struct weston_desktop_surface *parent, *topmost;
bool parent_is_popup, parent_is_xdg;
struct weston_desktop_xdg_popup *popup;
if (weston_surface_set_role(wsurface, "xdg_popup", resource, XDG_SHELL_ERROR_ROLE) < 0)
return;
if (!weston_surface_is_desktop_surface(wparent)) {
wl_resource_post_error(resource,
XDG_SHELL_ERROR_INVALID_POPUP_PARENT,
"xdg_popup parent was invalid");
return;
}
parent = weston_surface_get_desktop_surface(wparent);
parent_is_xdg =
weston_desktop_surface_has_implementation(parent,
&weston_desktop_xdg_surface_internal_implementation);
parent_is_popup =
weston_desktop_surface_has_implementation(parent,
&weston_desktop_xdg_popup_internal_implementation);
if (!parent_is_xdg && !parent_is_popup) {
wl_resource_post_error(resource,
XDG_SHELL_ERROR_INVALID_POPUP_PARENT,
"xdg_popup parent was invalid");
return;
}
topmost = weston_desktop_seat_popup_grab_get_topmost_surface(seat);
if ((topmost == NULL && parent_is_popup) ||
(topmost != NULL && topmost != parent)) {
wl_resource_post_error(resource,
XDG_SHELL_ERROR_NOT_THE_TOPMOST_POPUP,
"xdg_popup was not created on the topmost popup");
return;
}
popup = zalloc(sizeof(struct weston_desktop_xdg_popup));
if (popup == NULL) {
wl_client_post_no_memory(wl_client);
return;
}
popup->desktop = weston_desktop_client_get_desktop(client);
popup->display = weston_desktop_get_display(popup->desktop);
popup->seat = seat;
popup->popup =
weston_desktop_surface_create(popup->desktop, client, wsurface,
&weston_desktop_xdg_popup_internal_implementation,
popup);
if (popup->popup == NULL) {
free(popup);
return;
}
popup->resource =
weston_desktop_surface_add_resource(popup->popup,
&xdg_popup_interface,
&weston_desktop_xdg_popup_implementation,
id, NULL);
if (popup->resource == NULL)
return;
weston_desktop_surface_set_relative_to(popup->popup, parent, x, y, false);
weston_desktop_surface_popup_grab(popup->popup, popup->seat, serial);
}
static void
weston_desktop_xdg_shell_protocol_pong(struct wl_client *wl_client,
struct wl_resource *resource,
uint32_t serial)
{
struct weston_desktop_client *client =
wl_resource_get_user_data(resource);
weston_desktop_client_pong(client, serial);
}
static const struct xdg_shell_interface weston_desktop_xdg_shell_implementation = {
.destroy = weston_desktop_destroy_request,
.use_unstable_version = weston_desktop_xdg_shell_protocol_use_unstable_version,
.get_xdg_surface = weston_desktop_xdg_shell_protocol_get_xdg_surface,
.get_xdg_popup = weston_desktop_xdg_shell_protocol_get_xdg_popup,
.pong = weston_desktop_xdg_shell_protocol_pong,
};
static int
xdg_shell_unversioned_dispatch(const void *implementation,
void *_target, uint32_t opcode,
const struct wl_message *message,
union wl_argument *args)
{
struct wl_resource *resource = _target;
struct weston_desktop_client *client =
wl_resource_get_user_data(resource);
if (opcode != 1 /* XDG_SHELL_USE_UNSTABLE_VERSION */) {
wl_resource_post_error(resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"must call use_unstable_version first");
return 0;
}
#define XDG_SERVER_VERSION 5
if (args[0].i != XDG_SERVER_VERSION) {
wl_resource_post_error(resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"incompatible version, server is %d " "client wants %d",
XDG_SERVER_VERSION, args[0].i);
return 0;
}
wl_resource_set_implementation(resource,
&weston_desktop_xdg_shell_implementation,
client, implementation);
return 1;
}
static void
weston_desktop_xdg_shell_bind(struct wl_client *client, void *data,
uint32_t version, uint32_t id)
{
struct weston_desktop *desktop = data;
weston_desktop_client_create(desktop, client,
xdg_shell_unversioned_dispatch,
&xdg_shell_interface, NULL, version, id);
}
struct wl_global *
weston_desktop_xdg_shell_v5_create(struct weston_desktop *desktop,
struct wl_display *display)
{
return wl_global_create(display,
&xdg_shell_interface,
WD_XDG_SHELL_PROTOCOL_VERSION,
desktop, weston_desktop_xdg_shell_bind);
}