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/*
* 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 <assert.h>
#include <wayland-server.h>
#include <libweston/libweston.h>
#include <libweston/zalloc.h>
#include "xdg-shell-server-protocol.h"
#include <libweston-desktop/libweston-desktop.h>
#include "internal.h"
#include "shared/helpers.h"
/************************************************************************************
* WARNING: This file implements the stable xdg shell protocol.
* Any changes to this file may also need to be added to the xdg-shell-v6.c file which
* implements the older unstable xdg shell v6 protocol.
************************************************************************************/
#define WD_XDG_SHELL_PROTOCOL_VERSION 3
static const char *weston_desktop_xdg_toplevel_role = "xdg_toplevel";
static const char *weston_desktop_xdg_popup_role = "xdg_popup";
struct weston_desktop_xdg_positioner {
struct weston_desktop *desktop;
struct weston_desktop_client *client;
struct wl_resource *resource;
struct weston_size size;
struct weston_geometry anchor_rect;
enum xdg_positioner_anchor anchor;
enum xdg_positioner_gravity gravity;
enum xdg_positioner_constraint_adjustment constraint_adjustment;
struct weston_position offset;
};
enum weston_desktop_xdg_surface_role {
WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE,
WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL,
WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP,
};
struct weston_desktop_xdg_surface {
struct wl_resource *resource;
struct weston_desktop *desktop;
struct weston_surface *surface;
struct weston_desktop_surface *desktop_surface;
bool configured;
struct wl_event_source *configure_idle;
struct wl_list configure_list; /* weston_desktop_xdg_surface_configure::link */
bool has_next_geometry;
struct weston_geometry next_geometry;
enum weston_desktop_xdg_surface_role role;
};
struct weston_desktop_xdg_surface_configure {
struct wl_list link; /* weston_desktop_xdg_surface::configure_list */
uint32_t serial;
};
struct weston_desktop_xdg_toplevel_state {
bool maximized;
bool fullscreen;
bool resizing;
bool activated;
};
struct weston_desktop_xdg_toplevel_configure {
struct weston_desktop_xdg_surface_configure base;
struct weston_desktop_xdg_toplevel_state state;
struct weston_size size;
};
struct weston_desktop_xdg_toplevel {
struct weston_desktop_xdg_surface base;
struct wl_resource *resource;
bool added;
struct {
struct weston_desktop_xdg_toplevel_state state;
struct weston_size size;
} pending;
struct {
struct weston_desktop_xdg_toplevel_state state;
struct weston_size size;
struct weston_size min_size, max_size;
} next;
struct {
struct weston_desktop_xdg_toplevel_state state;
struct weston_size min_size, max_size;
} current;
};
struct weston_desktop_xdg_popup {
struct weston_desktop_xdg_surface base;
struct wl_resource *resource;
bool committed;
struct weston_desktop_xdg_surface *parent;
struct weston_desktop_seat *seat;
struct weston_geometry geometry;
bool pending_reposition;
uint32_t pending_reposition_token;
};
#define weston_desktop_surface_role_biggest_size \
MAX(sizeof(struct weston_desktop_xdg_toplevel), \
sizeof(struct weston_desktop_xdg_popup))
#define weston_desktop_surface_configure_biggest_size weston_desktop_surface_role_biggest_size
static struct weston_geometry
weston_desktop_xdg_positioner_get_geometry(struct weston_desktop_xdg_positioner *positioner,
struct weston_desktop_surface *dsurface,
struct weston_desktop_surface *parent)
{
struct weston_geometry geometry = {
.x = positioner->offset.x,
.y = positioner->offset.y,
.width = positioner->size.width,
.height = positioner->size.height,
};
switch (positioner->anchor) {
case XDG_POSITIONER_ANCHOR_TOP:
case XDG_POSITIONER_ANCHOR_TOP_LEFT:
case XDG_POSITIONER_ANCHOR_TOP_RIGHT:
geometry.y += positioner->anchor_rect.y;
break;
case XDG_POSITIONER_ANCHOR_BOTTOM:
case XDG_POSITIONER_ANCHOR_BOTTOM_LEFT:
case XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT:
geometry.y += positioner->anchor_rect.y + positioner->anchor_rect.height;
break;
default:
geometry.y += positioner->anchor_rect.y + positioner->anchor_rect.height / 2;
}
switch (positioner->anchor) {
case XDG_POSITIONER_ANCHOR_LEFT:
case XDG_POSITIONER_ANCHOR_TOP_LEFT:
case XDG_POSITIONER_ANCHOR_BOTTOM_LEFT:
geometry.x += positioner->anchor_rect.x;
break;
case XDG_POSITIONER_ANCHOR_RIGHT:
case XDG_POSITIONER_ANCHOR_TOP_RIGHT:
case XDG_POSITIONER_ANCHOR_BOTTOM_RIGHT:
geometry.x += positioner->anchor_rect.x + positioner->anchor_rect.width;
break;
default:
geometry.x += positioner->anchor_rect.x + positioner->anchor_rect.width / 2;
}
switch (positioner->gravity) {
case XDG_POSITIONER_GRAVITY_TOP:
case XDG_POSITIONER_GRAVITY_TOP_LEFT:
case XDG_POSITIONER_GRAVITY_TOP_RIGHT:
geometry.y -= geometry.height;
break;
case XDG_POSITIONER_GRAVITY_BOTTOM:
case XDG_POSITIONER_GRAVITY_BOTTOM_LEFT:
case XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT:
geometry.y = geometry.y;
break;
default:
geometry.y -= geometry.height / 2;
}
switch (positioner->gravity) {
case XDG_POSITIONER_GRAVITY_LEFT:
case XDG_POSITIONER_GRAVITY_TOP_LEFT:
case XDG_POSITIONER_GRAVITY_BOTTOM_LEFT:
geometry.x -= geometry.width;
break;
case XDG_POSITIONER_GRAVITY_RIGHT:
case XDG_POSITIONER_GRAVITY_TOP_RIGHT:
case XDG_POSITIONER_GRAVITY_BOTTOM_RIGHT:
geometry.x = geometry.x;
break;
default:
geometry.x -= geometry.width / 2;
}
if (positioner->constraint_adjustment == XDG_POSITIONER_CONSTRAINT_ADJUSTMENT_NONE)
return geometry;
/* TODO: add compositor policy configuration and the code here */
return geometry;
}
static void
weston_desktop_xdg_positioner_protocol_set_size(struct wl_client *wl_client,
struct wl_resource *resource,
int32_t width, int32_t height)
{
struct weston_desktop_xdg_positioner *positioner =
wl_resource_get_user_data(resource);
if (width < 1 || height < 1) {
wl_resource_post_error(resource,
XDG_POSITIONER_ERROR_INVALID_INPUT,
"width and height must be positives and non-zero");
return;
}
positioner->size.width = width;
positioner->size.height = height;
}
static void
weston_desktop_xdg_positioner_protocol_set_anchor_rect(struct wl_client *wl_client,
struct wl_resource *resource,
int32_t x, int32_t y,
int32_t width, int32_t height)
{
struct weston_desktop_xdg_positioner *positioner =
wl_resource_get_user_data(resource);
if (width < 0 || height < 0) {
wl_resource_post_error(resource,
XDG_POSITIONER_ERROR_INVALID_INPUT,
"width and height must be non-negative");
return;
}
positioner->anchor_rect.x = x;
positioner->anchor_rect.y = y;
positioner->anchor_rect.width = width;
positioner->anchor_rect.height = height;
}
static void
weston_desktop_xdg_positioner_protocol_set_anchor(struct wl_client *wl_client,
struct wl_resource *resource,
enum xdg_positioner_anchor anchor)
{
struct weston_desktop_xdg_positioner *positioner =
wl_resource_get_user_data(resource);
positioner->anchor = anchor;
}
static void
weston_desktop_xdg_positioner_protocol_set_gravity(struct wl_client *wl_client,
struct wl_resource *resource,
enum xdg_positioner_gravity gravity)
{
struct weston_desktop_xdg_positioner *positioner =
wl_resource_get_user_data(resource);
positioner->gravity = gravity;
}
static void
weston_desktop_xdg_positioner_protocol_set_constraint_adjustment(struct wl_client *wl_client,
struct wl_resource *resource,
enum xdg_positioner_constraint_adjustment constraint_adjustment)
{
struct weston_desktop_xdg_positioner *positioner =
wl_resource_get_user_data(resource);
positioner->constraint_adjustment = constraint_adjustment;
}
static void
weston_desktop_xdg_positioner_protocol_set_offset(struct wl_client *wl_client,
struct wl_resource *resource,
int32_t x, int32_t y)
{
struct weston_desktop_xdg_positioner *positioner =
wl_resource_get_user_data(resource);
positioner->offset.x = x;
positioner->offset.y = y;
}
static void
weston_desktop_xdg_positioner_protocol_set_reactive(struct wl_client *wl_client,
struct wl_resource *resource)
{
}
static void
weston_desktop_xdg_positioner_protocol_set_parent_size(struct wl_client *wl_client,
struct wl_resource *resource,
int32_t width,
int32_t height)
{
}
static void
weston_desktop_xdg_positioner_protocol_set_parent_configure(struct wl_client *wl_client,
struct wl_resource *resource,
uint32_t serial)
{
}
static void
weston_desktop_xdg_positioner_destroy(struct wl_resource *resource)
{
struct weston_desktop_xdg_positioner *positioner =
wl_resource_get_user_data(resource);
free(positioner);
}
static const struct xdg_positioner_interface weston_desktop_xdg_positioner_implementation = {
.destroy = weston_desktop_destroy_request,
.set_size = weston_desktop_xdg_positioner_protocol_set_size,
.set_anchor_rect = weston_desktop_xdg_positioner_protocol_set_anchor_rect,
.set_anchor = weston_desktop_xdg_positioner_protocol_set_anchor,
.set_gravity = weston_desktop_xdg_positioner_protocol_set_gravity,
.set_constraint_adjustment = weston_desktop_xdg_positioner_protocol_set_constraint_adjustment,
.set_offset = weston_desktop_xdg_positioner_protocol_set_offset,
.set_reactive = weston_desktop_xdg_positioner_protocol_set_reactive,
.set_parent_size = weston_desktop_xdg_positioner_protocol_set_parent_size,
.set_parent_configure = weston_desktop_xdg_positioner_protocol_set_parent_configure,
};
static void
weston_desktop_xdg_surface_schedule_configure(struct weston_desktop_xdg_surface *surface);
static void
weston_desktop_xdg_toplevel_ensure_added(struct weston_desktop_xdg_toplevel *toplevel)
{
if (toplevel->added)
return;
weston_desktop_api_surface_added(toplevel->base.desktop,
toplevel->base.desktop_surface);
weston_desktop_xdg_surface_schedule_configure(&toplevel->base);
toplevel->added = true;
}
static void
weston_desktop_xdg_toplevel_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_toplevel *toplevel =
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_toplevel_ensure_added(toplevel);
weston_desktop_api_set_parent(toplevel->base.desktop, dsurface, parent);
}
static void
weston_desktop_xdg_toplevel_protocol_set_title(struct wl_client *wl_client,
struct wl_resource *resource,
const char *title)
{
struct weston_desktop_surface *toplevel =
wl_resource_get_user_data(resource);
weston_desktop_surface_set_title(toplevel, title);
}
static void
weston_desktop_xdg_toplevel_protocol_set_app_id(struct wl_client *wl_client,
struct wl_resource *resource,
const char *app_id)
{
struct weston_desktop_surface *toplevel =
wl_resource_get_user_data(resource);
weston_desktop_surface_set_app_id(toplevel, app_id);
}
static void
weston_desktop_xdg_toplevel_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_toplevel *toplevel =
weston_desktop_surface_get_implementation_data(dsurface);
if (!toplevel->base.configured) {
wl_resource_post_error(toplevel->resource,
XDG_SURFACE_ERROR_NOT_CONSTRUCTED,
"Surface has not been configured yet");
return;
}
if (seat == NULL)
return;
weston_desktop_api_show_window_menu(toplevel->base.desktop,
dsurface, seat, x, y);
}
static void
weston_desktop_xdg_toplevel_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_toplevel *toplevel =
weston_desktop_surface_get_implementation_data(dsurface);
if (!toplevel->base.configured) {
wl_resource_post_error(toplevel->resource,
XDG_SURFACE_ERROR_NOT_CONSTRUCTED,
"Surface has not been configured yet");
return;
}
if (seat == NULL)
return;
weston_desktop_api_move(toplevel->base.desktop, dsurface, seat, serial);
}
static void
weston_desktop_xdg_toplevel_protocol_resize(struct wl_client *wl_client,
struct wl_resource *resource,
struct wl_resource *seat_resource,
uint32_t serial,
enum xdg_toplevel_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_toplevel *toplevel =
weston_desktop_surface_get_implementation_data(dsurface);
enum weston_desktop_surface_edge surf_edges =
(enum weston_desktop_surface_edge) edges;
if (!toplevel->base.configured) {
wl_resource_post_error(toplevel->resource,
XDG_SURFACE_ERROR_NOT_CONSTRUCTED,
"Surface has not been configured yet");
return;
}
if (seat == NULL)
return;
weston_desktop_api_resize(toplevel->base.desktop,
dsurface, seat, serial, surf_edges);
}
static void
weston_desktop_xdg_toplevel_ack_configure(struct weston_desktop_xdg_toplevel *toplevel,
struct weston_desktop_xdg_toplevel_configure *configure)
{
toplevel->next.state = configure->state;
toplevel->next.size = configure->size;
}
static void
weston_desktop_xdg_toplevel_protocol_set_min_size(struct wl_client *wl_client,
struct wl_resource *resource,
int32_t width, int32_t height)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_desktop_xdg_toplevel *toplevel =
weston_desktop_surface_get_implementation_data(dsurface);
toplevel->next.min_size.width = width;
toplevel->next.min_size.height = height;
}
static void
weston_desktop_xdg_toplevel_protocol_set_max_size(struct wl_client *wl_client,
struct wl_resource *resource,
int32_t width, int32_t height)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_desktop_xdg_toplevel *toplevel =
weston_desktop_surface_get_implementation_data(dsurface);
toplevel->next.max_size.width = width;
toplevel->next.max_size.height = height;
}
static void
weston_desktop_xdg_toplevel_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_toplevel *toplevel =
weston_desktop_surface_get_implementation_data(dsurface);
weston_desktop_xdg_toplevel_ensure_added(toplevel);
weston_desktop_api_maximized_requested(toplevel->base.desktop, dsurface, true);
}
static void
weston_desktop_xdg_toplevel_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_toplevel *toplevel =
weston_desktop_surface_get_implementation_data(dsurface);
weston_desktop_xdg_toplevel_ensure_added(toplevel);
weston_desktop_api_maximized_requested(toplevel->base.desktop, dsurface, false);
}
static void
weston_desktop_xdg_toplevel_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_toplevel *toplevel =
weston_desktop_surface_get_implementation_data(dsurface);
struct weston_output *output = NULL;
if (output_resource != NULL)
output = weston_head_from_resource(output_resource)->output;
weston_desktop_xdg_toplevel_ensure_added(toplevel);
weston_desktop_api_fullscreen_requested(toplevel->base.desktop, dsurface,
true, output);
}
static void
weston_desktop_xdg_toplevel_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_toplevel *toplevel =
weston_desktop_surface_get_implementation_data(dsurface);
weston_desktop_xdg_toplevel_ensure_added(toplevel);
weston_desktop_api_fullscreen_requested(toplevel->base.desktop, dsurface,
false, NULL);
}
static void
weston_desktop_xdg_toplevel_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_toplevel *toplevel =
weston_desktop_surface_get_implementation_data(dsurface);
weston_desktop_xdg_toplevel_ensure_added(toplevel);
weston_desktop_api_minimized_requested(toplevel->base.desktop, dsurface);
}
static void
weston_desktop_xdg_toplevel_send_configure(struct weston_desktop_xdg_toplevel *toplevel,
struct weston_desktop_xdg_toplevel_configure *configure)
{
uint32_t *s;
struct wl_array states;
configure->state = toplevel->pending.state;
configure->size = toplevel->pending.size;
wl_array_init(&states);
if (toplevel->pending.state.maximized) {
s = wl_array_add(&states, sizeof(uint32_t));
*s = XDG_TOPLEVEL_STATE_MAXIMIZED;
}
if (toplevel->pending.state.fullscreen) {
s = wl_array_add(&states, sizeof(uint32_t));
*s = XDG_TOPLEVEL_STATE_FULLSCREEN;
}
if (toplevel->pending.state.resizing) {
s = wl_array_add(&states, sizeof(uint32_t));
*s = XDG_TOPLEVEL_STATE_RESIZING;
}
if (toplevel->pending.state.activated) {
s = wl_array_add(&states, sizeof(uint32_t));
*s = XDG_TOPLEVEL_STATE_ACTIVATED;
}
xdg_toplevel_send_configure(toplevel->resource,
toplevel->pending.size.width,
toplevel->pending.size.height,
&states);
wl_array_release(&states);
};
static void
weston_desktop_xdg_toplevel_set_maximized(struct weston_desktop_surface *dsurface,
void *user_data, bool maximized)
{
struct weston_desktop_xdg_toplevel *toplevel = user_data;
toplevel->pending.state.maximized = maximized;
weston_desktop_xdg_surface_schedule_configure(&toplevel->base);
}
static void
weston_desktop_xdg_toplevel_set_fullscreen(struct weston_desktop_surface *dsurface,
void *user_data, bool fullscreen)
{
struct weston_desktop_xdg_toplevel *toplevel = user_data;
toplevel->pending.state.fullscreen = fullscreen;
weston_desktop_xdg_surface_schedule_configure(&toplevel->base);
}
static void
weston_desktop_xdg_toplevel_set_resizing(struct weston_desktop_surface *dsurface,
void *user_data, bool resizing)
{
struct weston_desktop_xdg_toplevel *toplevel = user_data;
toplevel->pending.state.resizing = resizing;
weston_desktop_xdg_surface_schedule_configure(&toplevel->base);
}
static void
weston_desktop_xdg_toplevel_set_activated(struct weston_desktop_surface *dsurface,
void *user_data, bool activated)
{
struct weston_desktop_xdg_toplevel *toplevel = user_data;
toplevel->pending.state.activated = activated;
weston_desktop_xdg_surface_schedule_configure(&toplevel->base);
}
static void
weston_desktop_xdg_toplevel_set_size(struct weston_desktop_surface *dsurface,
void *user_data,
int32_t width, int32_t height)
{
struct weston_desktop_xdg_toplevel *toplevel = user_data;
toplevel->pending.size.width = width;
toplevel->pending.size.height = height;
weston_desktop_xdg_surface_schedule_configure(&toplevel->base);
}
static void
weston_desktop_xdg_toplevel_committed(struct weston_desktop_xdg_toplevel *toplevel,
int32_t sx, int32_t sy)
{
struct weston_surface *wsurface =
weston_desktop_surface_get_surface(toplevel->base.desktop_surface);
if (!wsurface->buffer_ref.buffer && !toplevel->added) {
weston_desktop_xdg_toplevel_ensure_added(toplevel);
return;
}
if (!wsurface->buffer_ref.buffer)
return;
struct weston_geometry geometry =
weston_desktop_surface_get_geometry(toplevel->base.desktop_surface);
if (toplevel->next.state.maximized &&
(toplevel->next.size.width != geometry.width ||
toplevel->next.size.height != geometry.height)) {
struct weston_desktop_client *client =
weston_desktop_surface_get_client(toplevel->base.desktop_surface);
struct wl_resource *client_resource =
weston_desktop_client_get_resource(client);
wl_resource_post_error(client_resource,
XDG_WM_BASE_ERROR_INVALID_SURFACE_STATE,
"xdg_surface geometry (%" PRIi32 " x %" PRIi32 ") "
"does not match the configured maximized state (%" PRIi32 " x %" PRIi32 ")",
geometry.width, geometry.height,
toplevel->next.size.width,
toplevel->next.size.height);
return;
}
if (toplevel->next.state.fullscreen &&
(toplevel->next.size.width < geometry.width ||
toplevel->next.size.height < geometry.height)) {
struct weston_desktop_client *client =
weston_desktop_surface_get_client(toplevel->base.desktop_surface);
struct wl_resource *client_resource =
weston_desktop_client_get_resource(client);
wl_resource_post_error(client_resource,
XDG_WM_BASE_ERROR_INVALID_SURFACE_STATE,
"xdg_surface geometry (%" PRIi32 " x %" PRIi32 ") "
"is larger than the configured fullscreen state (%" PRIi32 " x %" PRIi32 ")",
geometry.width, geometry.height,
toplevel->next.size.width,
toplevel->next.size.height);
return;
}
toplevel->current.state = toplevel->next.state;
toplevel->current.min_size = toplevel->next.min_size;
toplevel->current.max_size = toplevel->next.max_size;
weston_desktop_api_committed(toplevel->base.desktop,
toplevel->base.desktop_surface,
sx, sy);
}
static void
weston_desktop_xdg_toplevel_close(struct weston_desktop_xdg_toplevel *toplevel)
{
xdg_toplevel_send_close(toplevel->resource);
}
static bool
weston_desktop_xdg_toplevel_get_maximized(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_toplevel *toplevel = user_data;
return toplevel->current.state.maximized;
}
static bool
weston_desktop_xdg_toplevel_get_fullscreen(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_toplevel *toplevel = user_data;
return toplevel->current.state.fullscreen;
}
static bool
weston_desktop_xdg_toplevel_get_resizing(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_toplevel *toplevel = user_data;
return toplevel->current.state.resizing;
}
static bool
weston_desktop_xdg_toplevel_get_activated(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_toplevel *toplevel = user_data;
return toplevel->current.state.activated;
}
static void
weston_desktop_xdg_toplevel_destroy(struct weston_desktop_xdg_toplevel *toplevel)
{
if (toplevel->added)
weston_desktop_api_surface_removed(toplevel->base.desktop,
toplevel->base.desktop_surface);
}
static void
weston_desktop_xdg_toplevel_resource_destroy(struct wl_resource *resource)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
if (dsurface != NULL)
weston_desktop_surface_resource_destroy(resource);
}
static const struct xdg_toplevel_interface weston_desktop_xdg_toplevel_implementation = {
.destroy = weston_desktop_destroy_request,
.set_parent = weston_desktop_xdg_toplevel_protocol_set_parent,
.set_title = weston_desktop_xdg_toplevel_protocol_set_title,
.set_app_id = weston_desktop_xdg_toplevel_protocol_set_app_id,
.show_window_menu = weston_desktop_xdg_toplevel_protocol_show_window_menu,
.move = weston_desktop_xdg_toplevel_protocol_move,
.resize = weston_desktop_xdg_toplevel_protocol_resize,
.set_min_size = weston_desktop_xdg_toplevel_protocol_set_min_size,
.set_max_size = weston_desktop_xdg_toplevel_protocol_set_max_size,
.set_maximized = weston_desktop_xdg_toplevel_protocol_set_maximized,
.unset_maximized = weston_desktop_xdg_toplevel_protocol_unset_maximized,
.set_fullscreen = weston_desktop_xdg_toplevel_protocol_set_fullscreen,
.unset_fullscreen = weston_desktop_xdg_toplevel_protocol_unset_fullscreen,
.set_minimized = weston_desktop_xdg_toplevel_protocol_set_minimized,
};
static void
weston_desktop_xdg_popup_protocol_grab(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_desktop_xdg_popup *popup =
weston_desktop_surface_get_implementation_data(dsurface);
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 *topmost;
bool parent_is_toplevel =
popup->parent->role == WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL;
/* Check that if we have a valid wseat we also got a valid desktop seat */
if (wseat != NULL && seat == NULL) {
wl_client_post_no_memory(wl_client);
return;
}
if (popup->committed) {
wl_resource_post_error(popup->resource,
XDG_POPUP_ERROR_INVALID_GRAB,
"xdg_popup already is mapped");
return;
}
/* If seat is NULL then get_topmost_surface will return NULL. In
* combination with setting parent_is_toplevel to TRUE here we will
* avoid posting an error, and we will instead gracefully fail the
* grab and dismiss the surface.
* FIXME: this is a hack because currently we cannot check the topmost
* parent with a destroyed weston_seat */
if (seat == NULL)
parent_is_toplevel = true;
topmost = weston_desktop_seat_popup_grab_get_topmost_surface(seat);
if ((topmost == NULL && !parent_is_toplevel) ||
(topmost != NULL && topmost != popup->parent->desktop_surface)) {
struct weston_desktop_client *client =
weston_desktop_surface_get_client(dsurface);
struct wl_resource *client_resource =
weston_desktop_client_get_resource(client);
wl_resource_post_error(client_resource,
XDG_WM_BASE_ERROR_NOT_THE_TOPMOST_POPUP,
"xdg_popup was not created on the topmost popup");
return;
}
popup->seat = seat;
weston_desktop_surface_popup_grab(popup->base.desktop_surface,
popup->seat, serial);
}
static bool
is_positioner_valid(struct weston_desktop_xdg_positioner *positioner)
{
/* Checking whether the size and anchor rect both have a positive size
* is enough to verify both have been correctly set */
if (positioner->size.width == 0 || positioner->anchor_rect.width == 0)
return false;
if (positioner->anchor_rect.height == 0)
return false;
return true;
}
static void
weston_desktop_xdg_popup_protocol_reposition(struct wl_client *wl_client,
struct wl_resource *resource,
struct wl_resource *positioner_resource,
uint32_t token)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_desktop_xdg_popup *popup =
weston_desktop_surface_get_implementation_data(dsurface);
struct weston_desktop_xdg_positioner *positioner =
wl_resource_get_user_data(positioner_resource);
struct weston_desktop_surface *parent_dsurface;
if (!is_positioner_valid(positioner)) {
wl_resource_post_error(resource,
XDG_WM_BASE_ERROR_INVALID_POSITIONER,
"positioner object is not complete");
return;
}
parent_dsurface = popup->parent->desktop_surface;
popup->geometry =
weston_desktop_xdg_positioner_get_geometry(positioner,
dsurface,
parent_dsurface);
popup->pending_reposition = true;
popup->pending_reposition_token = token;
if (popup->committed)
weston_desktop_xdg_surface_schedule_configure(&popup->base);
}
static void
weston_desktop_xdg_popup_send_configure(struct weston_desktop_xdg_popup *popup)
{
if (popup->pending_reposition) {
popup->pending_reposition = false;
xdg_popup_send_repositioned(popup->resource,
popup->pending_reposition_token);
}
xdg_popup_send_configure(popup->resource,
popup->geometry.x,
popup->geometry.y,
popup->geometry.width,
popup->geometry.height);
}
static void
weston_desktop_xdg_popup_update_position(struct weston_desktop_surface *dsurface,
void *user_data);
static void
weston_desktop_xdg_popup_committed(struct weston_desktop_xdg_popup *popup)
{
struct weston_surface *wsurface =
weston_desktop_surface_get_surface (popup->base.desktop_surface);
struct weston_view *view;
wl_list_for_each(view, &wsurface->views, surface_link)
weston_view_update_transform(view);
if (!popup->committed)
weston_desktop_xdg_surface_schedule_configure(&popup->base);
popup->committed = true;
weston_desktop_xdg_popup_update_position(popup->base.desktop_surface,
popup);
}
static void
weston_desktop_xdg_popup_update_position(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_popup *popup =
weston_desktop_surface_get_implementation_data(dsurface);
struct weston_desktop_surface *parent_dsurface;
parent_dsurface = popup->parent->desktop_surface;
weston_desktop_surface_set_relative_to(popup->base.desktop_surface,
parent_dsurface,
popup->geometry.x,
popup->geometry.y,
true);
}
static void
weston_desktop_xdg_popup_close(struct weston_desktop_xdg_popup *popup)
{
xdg_popup_send_popup_done(popup->resource);
}
static void
weston_desktop_xdg_popup_destroy(struct weston_desktop_xdg_popup *popup)
{
struct weston_desktop_surface *topmost;
struct weston_desktop_client *client =
weston_desktop_surface_get_client(popup->base.desktop_surface);
if (!weston_desktop_surface_get_grab(popup->base.desktop_surface))
return;
topmost = weston_desktop_seat_popup_grab_get_topmost_surface(popup->seat);
if (topmost != popup->base.desktop_surface) {
struct wl_resource *client_resource =
weston_desktop_client_get_resource(client);
wl_resource_post_error(client_resource,
XDG_WM_BASE_ERROR_NOT_THE_TOPMOST_POPUP,
"xdg_popup was destroyed while it was not the topmost popup.");
}
weston_desktop_surface_popup_ungrab(popup->base.desktop_surface,
popup->seat);
}
static void
weston_desktop_xdg_popup_resource_destroy(struct wl_resource *resource)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
if (dsurface != NULL)
weston_desktop_surface_resource_destroy(resource);
}
static const struct xdg_popup_interface weston_desktop_xdg_popup_implementation = {
.destroy = weston_desktop_destroy_request,
.grab = weston_desktop_xdg_popup_protocol_grab,
.reposition = weston_desktop_xdg_popup_protocol_reposition,
};
static void
weston_desktop_xdg_surface_send_configure(void *user_data)
{
struct weston_desktop_xdg_surface *surface = user_data;
struct weston_desktop_xdg_surface_configure *configure;
surface->configure_idle = NULL;
configure = zalloc(weston_desktop_surface_configure_biggest_size);
if (configure == NULL) {
struct weston_desktop_client *client =
weston_desktop_surface_get_client(surface->desktop_surface);
struct wl_client *wl_client =
weston_desktop_client_get_client(client);
wl_client_post_no_memory(wl_client);
return;
}
wl_list_insert(surface->configure_list.prev, &configure->link);
configure->serial =
wl_display_next_serial(weston_desktop_get_display(surface->desktop));
switch (surface->role) {
case WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE:
assert(0 && "not reached");
break;
case WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL:
weston_desktop_xdg_toplevel_send_configure((struct weston_desktop_xdg_toplevel *) surface,
(struct weston_desktop_xdg_toplevel_configure *) configure);
break;
case WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP:
weston_desktop_xdg_popup_send_configure((struct weston_desktop_xdg_popup *) surface);
break;
}
xdg_surface_send_configure(surface->resource, configure->serial);
}
static bool
weston_desktop_xdg_toplevel_state_compare(struct weston_desktop_xdg_toplevel *toplevel)
{
struct {
struct weston_desktop_xdg_toplevel_state state;
struct weston_size size;
} configured;
if (!toplevel->base.configured)
return false;
if (wl_list_empty(&toplevel->base.configure_list)) {
/* Last configure is actually the current state, just use it */
configured.state = toplevel->current.state;
configured.size.width = toplevel->base.surface->width;
configured.size.height = toplevel->base.surface->height;
} else {
struct weston_desktop_xdg_toplevel_configure *configure =
wl_container_of(toplevel->base.configure_list.prev,
configure, base.link);
configured.state = configure->state;
configured.size = configure->size;
}
if (toplevel->pending.state.activated != configured.state.activated)
return false;
if (toplevel->pending.state.fullscreen != configured.state.fullscreen)
return false;
if (toplevel->pending.state.maximized != configured.state.maximized)
return false;
if (toplevel->pending.state.resizing != configured.state.resizing)
return false;
if (toplevel->pending.size.width == configured.size.width &&
toplevel->pending.size.height == configured.size.height)
return true;
if (toplevel->pending.size.width == 0 &&
toplevel->pending.size.height == 0)
return true;
return false;
}
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);
bool pending_same = false;
switch (surface->role) {
case WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE:
assert(0 && "not reached");
break;
case WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL:
pending_same = weston_desktop_xdg_toplevel_state_compare((struct weston_desktop_xdg_toplevel *) surface);
break;
case WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP:
break;
}
if (surface->configure_idle != NULL) {
if (!pending_same)
return;
wl_event_source_remove(surface->configure_idle);
surface->configure_idle = NULL;
} else {
if (pending_same)
return;
surface->configure_idle =
wl_event_loop_add_idle(loop,
weston_desktop_xdg_surface_send_configure,
surface);
}
}
static void
weston_desktop_xdg_surface_protocol_get_toplevel(struct wl_client *wl_client,
struct wl_resource *resource,
uint32_t id)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_surface *wsurface =
weston_desktop_surface_get_surface(dsurface);
struct weston_desktop_xdg_toplevel *toplevel =
weston_desktop_surface_get_implementation_data(dsurface);
if (weston_surface_set_role(wsurface, weston_desktop_xdg_toplevel_role,
resource, XDG_WM_BASE_ERROR_ROLE) < 0)
return;
toplevel->resource =
weston_desktop_surface_add_resource(toplevel->base.desktop_surface,
&xdg_toplevel_interface,
&weston_desktop_xdg_toplevel_implementation,
id, weston_desktop_xdg_toplevel_resource_destroy);
if (toplevel->resource == NULL)
return;
toplevel->base.role = WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL;
}
static void
weston_desktop_xdg_surface_protocol_get_popup(struct wl_client *wl_client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *parent_resource,
struct wl_resource *positioner_resource)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
struct weston_surface *wsurface =
weston_desktop_surface_get_surface(dsurface);
struct weston_desktop_xdg_popup *popup =
weston_desktop_surface_get_implementation_data(dsurface);
struct weston_desktop_surface *parent_surface;
struct weston_desktop_xdg_surface *parent;
struct weston_desktop_xdg_positioner *positioner =
wl_resource_get_user_data(positioner_resource);
/* Popup parents are allowed to be non-null, but only if a parent is
* specified 'using some other protocol' before committing. Since we
* don't support such a protocol yet, clients cannot legitimately
* create a popup with a non-null parent. */
if (!parent_resource) {
wl_resource_post_error(resource,
XDG_WM_BASE_ERROR_INVALID_POPUP_PARENT,
"popup parent must be non-null");
return;
}
parent_surface = wl_resource_get_user_data(parent_resource);
parent = weston_desktop_surface_get_implementation_data(parent_surface);
if (!is_positioner_valid(positioner)) {
wl_resource_post_error(resource,
XDG_WM_BASE_ERROR_INVALID_POSITIONER,
"positioner object is not complete");
return;
}
if (weston_surface_set_role(wsurface, weston_desktop_xdg_popup_role,
resource, XDG_WM_BASE_ERROR_ROLE) < 0)
return;
popup->resource =
weston_desktop_surface_add_resource(popup->base.desktop_surface,
&xdg_popup_interface,
&weston_desktop_xdg_popup_implementation,
id, weston_desktop_xdg_popup_resource_destroy);
if (popup->resource == NULL)
return;
popup->base.role = WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP;
popup->parent = parent;
popup->geometry =
weston_desktop_xdg_positioner_get_geometry(positioner,
dsurface,
parent_surface);
weston_desktop_surface_set_relative_to(popup->base.desktop_surface,
parent_surface,
popup->geometry.x,
popup->geometry.y,
true);
}
static bool
weston_desktop_xdg_surface_check_role(struct weston_desktop_xdg_surface *surface)
{
struct weston_surface *wsurface =
weston_desktop_surface_get_surface(surface->desktop_surface);
const char *role;
role = weston_surface_get_role(wsurface);
if (role != NULL &&
(role == weston_desktop_xdg_toplevel_role ||
role == weston_desktop_xdg_popup_role))
return true;
wl_resource_post_error(surface->resource,
XDG_SURFACE_ERROR_NOT_CONSTRUCTED,
"xdg_surface must have a role");
return false;
}
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);
if (!weston_desktop_xdg_surface_check_role(surface))
return;
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_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);
struct weston_desktop_xdg_surface_configure *configure, *temp;
bool found = false;
if (!weston_desktop_xdg_surface_check_role(surface))
return;
wl_list_for_each_safe(configure, temp, &surface->configure_list, link) {
if (configure->serial < serial) {
wl_list_remove(&configure->link);
free(configure);
} else if (configure->serial == serial) {
wl_list_remove(&configure->link);
found = true;
break;
} else {
break;
}
}
if (!found) {
struct weston_desktop_client *client =
weston_desktop_surface_get_client(dsurface);
struct wl_resource *client_resource =
weston_desktop_client_get_resource(client);
wl_resource_post_error(client_resource,
XDG_WM_BASE_ERROR_INVALID_SURFACE_STATE,
"Wrong configure serial: %u", serial);
return;
}
surface->configured = true;
switch (surface->role) {
case WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE:
assert(0 && "not reached");
break;
case WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL:
weston_desktop_xdg_toplevel_ack_configure((struct weston_desktop_xdg_toplevel *) surface,
(struct weston_desktop_xdg_toplevel_configure *) configure);
break;
case WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP:
break;
}
free(configure);
}
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_wm_base_send_ping(weston_desktop_client_get_resource(client),
serial);
}
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 (dsurface);
if (wsurface->buffer_ref.buffer && !surface->configured) {
wl_resource_post_error(surface->resource,
XDG_SURFACE_ERROR_UNCONFIGURED_BUFFER,
"xdg_surface has never been configured");
return;
}
if (surface->has_next_geometry) {
surface->has_next_geometry = false;
weston_desktop_surface_set_geometry(surface->desktop_surface,
surface->next_geometry);
}
switch (surface->role) {
case WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE:
wl_resource_post_error(surface->resource,
XDG_SURFACE_ERROR_NOT_CONSTRUCTED,
"xdg_surface must have a role");
break;
case WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL:
weston_desktop_xdg_toplevel_committed((struct weston_desktop_xdg_toplevel *) surface, sx, sy);
break;
case WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP:
weston_desktop_xdg_popup_committed((struct weston_desktop_xdg_popup *) surface);
break;
}
}
static void
weston_desktop_xdg_surface_close(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_surface *surface = user_data;
switch (surface->role) {
case WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE:
assert(0 && "not reached");
break;
case WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL:
weston_desktop_xdg_toplevel_close((struct weston_desktop_xdg_toplevel *) surface);
break;
case WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP:
weston_desktop_xdg_popup_close((struct weston_desktop_xdg_popup *) surface);
break;
}
}
static void
weston_desktop_xdg_surface_destroy(struct weston_desktop_surface *dsurface,
void *user_data)
{
struct weston_desktop_xdg_surface *surface = user_data;
struct weston_desktop_xdg_surface_configure *configure, *temp;
switch (surface->role) {
case WESTON_DESKTOP_XDG_SURFACE_ROLE_NONE:
break;
case WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL:
weston_desktop_xdg_toplevel_destroy((struct weston_desktop_xdg_toplevel *) surface);
break;
case WESTON_DESKTOP_XDG_SURFACE_ROLE_POPUP:
weston_desktop_xdg_popup_destroy((struct weston_desktop_xdg_popup *) surface);
break;
}
if (surface->configure_idle != NULL)
wl_event_source_remove(surface->configure_idle);
wl_list_for_each_safe(configure, temp, &surface->configure_list, link)
free(configure);
free(surface);
}
static const struct xdg_surface_interface weston_desktop_xdg_surface_implementation = {
.destroy = weston_desktop_destroy_request,
.get_toplevel = weston_desktop_xdg_surface_protocol_get_toplevel,
.get_popup = weston_desktop_xdg_surface_protocol_get_popup,
.set_window_geometry = weston_desktop_xdg_surface_protocol_set_window_geometry,
.ack_configure = weston_desktop_xdg_surface_protocol_ack_configure,
};
static const struct weston_desktop_surface_implementation weston_desktop_xdg_surface_internal_implementation = {
/* These are used for toplevel only */
.set_maximized = weston_desktop_xdg_toplevel_set_maximized,
.set_fullscreen = weston_desktop_xdg_toplevel_set_fullscreen,
.set_resizing = weston_desktop_xdg_toplevel_set_resizing,
.set_activated = weston_desktop_xdg_toplevel_set_activated,
.set_size = weston_desktop_xdg_toplevel_set_size,
.get_maximized = weston_desktop_xdg_toplevel_get_maximized,
.get_fullscreen = weston_desktop_xdg_toplevel_get_fullscreen,
.get_resizing = weston_desktop_xdg_toplevel_get_resizing,
.get_activated = weston_desktop_xdg_toplevel_get_activated,
/* These are used for popup only */
.update_position = weston_desktop_xdg_popup_update_position,
/* Common API */
.committed = weston_desktop_xdg_surface_committed,
.ping = weston_desktop_xdg_surface_ping,
.close = weston_desktop_xdg_surface_close,
.destroy = weston_desktop_xdg_surface_destroy,
};
static void
weston_desktop_xdg_shell_protocol_create_positioner(struct wl_client *wl_client,
struct wl_resource *resource,
uint32_t id)
{
struct weston_desktop_client *client =
wl_resource_get_user_data(resource);
struct weston_desktop_xdg_positioner *positioner;
positioner = zalloc(sizeof(struct weston_desktop_xdg_positioner));
if (positioner == NULL) {
wl_client_post_no_memory(wl_client);
return;
}
positioner->client = client;
positioner->desktop = weston_desktop_client_get_desktop(positioner->client);
positioner->resource =
wl_resource_create(wl_client,
&xdg_positioner_interface,
wl_resource_get_version(resource), id);
if (positioner->resource == NULL) {
wl_client_post_no_memory(wl_client);
free(positioner);
return;
}
wl_resource_set_implementation(positioner->resource,
&weston_desktop_xdg_positioner_implementation,
positioner, weston_desktop_xdg_positioner_destroy);
}
static void
weston_desktop_xdg_surface_resource_destroy(struct wl_resource *resource)
{
struct weston_desktop_surface *dsurface =
wl_resource_get_user_data(resource);
if (dsurface != NULL)
weston_desktop_surface_resource_destroy(resource);
}
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_surface *wsurface =
wl_resource_get_user_data(surface_resource);
struct weston_desktop_xdg_surface *surface;
if (wsurface->committed) {
wl_resource_post_error(resource,
XDG_WM_BASE_ERROR_ROLE,
"xdg_surface must not have any other role");
return;
}
if (wsurface->buffer_ref.buffer != NULL) {
wl_resource_post_error(resource,
XDG_SURFACE_ERROR_UNCONFIGURED_BUFFER,
"xdg_surface must not have a buffer at creation");
return;
}
surface = zalloc(weston_desktop_surface_role_biggest_size);
if (surface == NULL) {
wl_client_post_no_memory(wl_client);
return;
}
surface->desktop = weston_desktop_client_get_desktop(client);
surface->surface = wsurface;
wl_list_init(&surface->configure_list);
surface->desktop_surface =
weston_desktop_surface_create(surface->desktop, client,
surface->surface,
&weston_desktop_xdg_surface_internal_implementation,
surface);
if (surface->desktop_surface == NULL) {
free(surface);
return;
}
surface->resource =
weston_desktop_surface_add_resource(surface->desktop_surface,
&xdg_surface_interface,
&weston_desktop_xdg_surface_implementation,
id, weston_desktop_xdg_surface_resource_destroy);
if (surface->resource == NULL)
return;
}
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_wm_base_interface weston_desktop_xdg_shell_implementation = {
.destroy = weston_desktop_destroy_request,
.create_positioner = weston_desktop_xdg_shell_protocol_create_positioner,
.get_xdg_surface = weston_desktop_xdg_shell_protocol_get_xdg_surface,
.pong = weston_desktop_xdg_shell_protocol_pong,
};
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, NULL,
&xdg_wm_base_interface,
&weston_desktop_xdg_shell_implementation,
version, id);
}
struct wl_global *
weston_desktop_xdg_wm_base_create(struct weston_desktop *desktop,
struct wl_display *display)
{
return wl_global_create(display, &xdg_wm_base_interface,
WD_XDG_SHELL_PROTOCOL_VERSION, desktop,
weston_desktop_xdg_shell_bind);
}