gtk2/gdk/wayland/gdkwindow-wayland.c

1738 lines
46 KiB
C

/*
* Copyright © 2010 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <netinet/in.h>
#include <unistd.h>
#include "gdk.h"
#include "gdkwayland.h"
#include "gdkwindow.h"
#include "gdkwindowimpl.h"
#include "gdkdisplay-wayland.h"
#include "gdkprivate-wayland.h"
#include "gdkinternals.h"
#include "gdkdeviceprivate.h"
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/mman.h>
#include <errno.h>
#include <wayland-egl.h>
#define WINDOW_IS_TOPLEVEL_OR_FOREIGN(window) \
(GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD && \
GDK_WINDOW_TYPE (window) != GDK_WINDOW_OFFSCREEN)
#define WINDOW_IS_TOPLEVEL(window) \
(GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD && \
GDK_WINDOW_TYPE (window) != GDK_WINDOW_FOREIGN && \
GDK_WINDOW_TYPE (window) != GDK_WINDOW_OFFSCREEN)
/* Return whether time1 is considered later than time2 as far as xserver
* time is concerned. Accounts for wraparound.
*/
#define XSERVER_TIME_IS_LATER(time1, time2) \
( (( time1 > time2 ) && ( time1 - time2 < ((guint32)-1)/2 )) || \
(( time1 < time2 ) && ( time2 - time1 > ((guint32)-1)/2 )) \
)
typedef struct _GdkWaylandWindow GdkWaylandWindow;
typedef struct _GdkWaylandWindowClass GdkWaylandWindowClass;
struct _GdkWaylandWindow {
GdkWindow parent;
};
struct _GdkWaylandWindowClass {
GdkWindowClass parent_class;
};
G_DEFINE_TYPE (GdkWaylandWindow, gdk_wayland_window, GDK_TYPE_WINDOW)
static void
gdk_wayland_window_class_init (GdkWaylandWindowClass *wayland_window_class)
{
}
static void
gdk_wayland_window_init (GdkWaylandWindow *wayland_window)
{
}
#define GDK_TYPE_WINDOW_IMPL_WAYLAND (_gdk_window_impl_wayland_get_type ())
#define GDK_WINDOW_IMPL_WAYLAND(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), GDK_TYPE_WINDOW_IMPL_WAYLAND, GdkWindowImplWayland))
#define GDK_WINDOW_IMPL_WAYLAND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GDK_TYPE_WINDOW_IMPL_WAYLAND, GdkWindowImplWaylandClass))
#define GDK_IS_WINDOW_IMPL_WAYLAND(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), GDK_TYPE_WINDOW_IMPL_WAYLAND))
#define GDK_IS_WINDOW_IMPL_WAYLAND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GDK_TYPE_WINDOW_IMPL_WAYLAND))
#define GDK_WINDOW_IMPL_WAYLAND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GDK_TYPE_WINDOW_IMPL_WAYLAND, GdkWindowImplWaylandClass))
typedef struct _GdkWindowImplWayland GdkWindowImplWayland;
typedef struct _GdkWindowImplWaylandClass GdkWindowImplWaylandClass;
struct _GdkWindowImplWayland
{
GdkWindowImpl parent_instance;
GdkWindow *wrapper;
GdkCursor *cursor;
gint8 toplevel_window_type;
struct wl_surface *surface;
struct wl_shell_surface *shell_surface;
unsigned int mapped : 1;
GdkWindow *transient_for;
GdkWindowTypeHint hint;
/* The surface which is being "drawn to" to */
cairo_surface_t *cairo_surface;
/* The surface that was the last surface the Wayland buffer from which was attached
* to the Wayland surface. It will be the same as cairo_surface after a call
* to gdk_wayland_window_attach_image. But after a call to
* gdk_wayland_window_update_size and then
* gdk_wayland_window_ref_cairo_surface the above pointer will be different.
*/
cairo_surface_t *server_surface;
uint32_t resize_edges;
int focus_count;
gulong map_serial; /* Serial of last transition from unmapped */
cairo_surface_t *icon_pixmap;
cairo_surface_t *icon_mask;
/* Time of most recent user interaction. */
gulong user_time;
GdkGeometry geometry_hints;
GdkWindowHints geometry_mask;
struct wl_seat *grab_input_seat;
guint32 grab_time;
gboolean fullscreen;
int saved_width, saved_height; /* before going fullscreen */
};
struct _GdkWindowImplWaylandClass
{
GdkWindowImplClass parent_class;
};
G_DEFINE_TYPE (GdkWindowImplWayland, _gdk_window_impl_wayland, GDK_TYPE_WINDOW_IMPL)
static void
_gdk_window_impl_wayland_init (GdkWindowImplWayland *impl)
{
impl->toplevel_window_type = -1;
}
void
_gdk_wayland_window_add_focus (GdkWindow *window)
{
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
impl->focus_count++;
if (impl->focus_count == 1)
gdk_synthesize_window_state (window, 0, GDK_WINDOW_STATE_FOCUSED);
}
void
_gdk_wayland_window_remove_focus (GdkWindow *window)
{
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
impl->focus_count--;
if (impl->focus_count == 0)
gdk_synthesize_window_state (window, GDK_WINDOW_STATE_FOCUSED, 0);
}
/**
* gdk_wayland_window_update_size:
* @drawable: a #GdkDrawableImplWayland.
*
* Updates the state of the drawable (in particular the drawable's
* cairo surface) when its size has changed.
**/
static void
gdk_wayland_window_update_size (GdkWindow *window,
int32_t width, int32_t height, uint32_t edges)
{
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
GdkRectangle area;
cairo_region_t *region;
if (impl->cairo_surface)
{
cairo_surface_destroy (impl->cairo_surface);
impl->cairo_surface = NULL;
}
window->width = width;
window->height = height;
impl->resize_edges = edges;
area.x = 0;
area.y = 0;
area.width = window->width;
area.height = window->height;
region = cairo_region_create_rectangle (&area);
_gdk_window_invalidate_for_expose (window, region);
cairo_region_destroy (region);
}
GdkWindow *
_gdk_wayland_screen_create_root_window (GdkScreen *screen,
int width, int height)
{
GdkWindow *window;
GdkWindowImplWayland *impl;
window = _gdk_display_create_window (gdk_screen_get_display (screen));
window->impl = g_object_new (GDK_TYPE_WINDOW_IMPL_WAYLAND, NULL);
window->impl_window = window;
window->visual = gdk_screen_get_system_visual (screen);
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
impl->wrapper = GDK_WINDOW (window);
window->window_type = GDK_WINDOW_ROOT;
window->depth = 32;
window->x = 0;
window->y = 0;
window->abs_x = 0;
window->abs_y = 0;
window->width = width;
window->height = height;
window->viewable = TRUE;
/* see init_randr_support() in gdkscreen-wayland.c */
window->event_mask = GDK_STRUCTURE_MASK;
return window;
}
static const gchar *
get_default_title (void)
{
const char *title;
title = g_get_application_name ();
if (!title)
title = g_get_prgname ();
if (!title)
title = "";
return title;
}
void
_gdk_wayland_display_create_window_impl (GdkDisplay *display,
GdkWindow *window,
GdkWindow *real_parent,
GdkScreen *screen,
GdkEventMask event_mask,
GdkWindowAttr *attributes,
gint attributes_mask)
{
GdkWindowImplWayland *impl;
const char *title;
impl = g_object_new (GDK_TYPE_WINDOW_IMPL_WAYLAND, NULL);
window->impl = GDK_WINDOW_IMPL (impl);
impl->wrapper = GDK_WINDOW (window);
if (window->width > 65535 ||
window->height > 65535)
{
g_warning ("Native Windows wider or taller than 65535 pixels are not supported");
if (window->width > 65535)
window->width = 65535;
if (window->height > 65535)
window->height = 65535;
}
g_object_ref (window);
switch (GDK_WINDOW_TYPE (window))
{
case GDK_WINDOW_TOPLEVEL:
case GDK_WINDOW_TEMP:
if (attributes_mask & GDK_WA_TITLE)
title = attributes->title;
else
title = get_default_title ();
gdk_window_set_title (window, title);
break;
case GDK_WINDOW_CHILD:
default:
break;
}
if (attributes_mask & GDK_WA_TYPE_HINT)
gdk_window_set_type_hint (window, attributes->type_hint);
}
static const cairo_user_data_key_t gdk_wayland_cairo_key;
typedef struct _GdkWaylandCairoSurfaceData {
gpointer buf;
size_t buf_length;
struct wl_shm_pool *pool;
struct wl_buffer *buffer;
GdkWaylandDisplay *display;
int32_t width, height;
} GdkWaylandCairoSurfaceData;
static void
gdk_wayland_window_attach_image (GdkWindow *window)
{
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
GdkWaylandCairoSurfaceData *data;
int32_t server_width, server_height, dx, dy;
if (GDK_WINDOW_DESTROYED (window))
return;
/* The "drawn to" Cairo surface is the same as the Cairo surface from which
* we are driving the buffer for the Wayland surface. Therefore we don't
* need to do anything here
*/
if (impl->server_surface == impl->cairo_surface)
return;
/* The wayland surface is attached to a buffer that is from the old "drawn
* to" surface. Unref the surface and restore the state.
*/
if (impl->server_surface)
{
data = cairo_surface_get_user_data (impl->server_surface,
&gdk_wayland_cairo_key);
/* Save the old dimensions used for the surface */
server_width = data->width;
server_height = data->height;
cairo_surface_destroy (impl->server_surface);
}
else
{
server_width = 0;
server_height = 0;
}
/* Save the current "drawn to" surface for future calls into here */
impl->server_surface = cairo_surface_reference (impl->cairo_surface);
/* Get a Wayland buffer from this new surface */
data = cairo_surface_get_user_data (impl->cairo_surface,
&gdk_wayland_cairo_key);
if (impl->resize_edges & WL_SHELL_SURFACE_RESIZE_LEFT)
dx = server_width - data->width;
else
dx = 0;
if (impl->resize_edges & WL_SHELL_SURFACE_RESIZE_TOP)
dy = server_height - data->height;
else
dy = 0;
/* Attach this new buffer to the surface */
wl_surface_attach (impl->surface, data->buffer, dx, dy);
}
static void
gdk_wayland_cairo_surface_destroy (void *p)
{
GdkWaylandCairoSurfaceData *data = p;
if (data->buffer)
wl_buffer_destroy (data->buffer);
if (data->pool)
wl_shm_pool_destroy (data->pool);
munmap (data->buf, data->buf_length);
g_free (data);
}
static struct wl_shm_pool *
_create_shm_pool (struct wl_shm *shm,
int width,
int height,
size_t *buf_length,
void **data_out)
{
char filename[] = "/tmp/wayland-shm-XXXXXX";
struct wl_shm_pool *pool;
int fd, size, stride;
void *data;
fd = mkstemp (filename);
if (fd < 0) {
g_critical (G_STRLOC ": Unable to create temporary file (%s): %s",
filename, g_strerror (errno));
return NULL;
}
stride = width * 4;
size = stride * height;
if (ftruncate (fd, size) < 0) {
g_critical (G_STRLOC ": Truncating temporary file failed: %s",
g_strerror (errno));
close(fd);
return NULL;
}
data = mmap (NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
unlink (filename);
if (data == MAP_FAILED) {
g_critical (G_STRLOC ": mmap'ping temporary file failed: %s",
g_strerror (errno));
close(fd);
return NULL;
}
pool = wl_shm_create_pool(shm, fd, size);
close (fd);
*data_out = data;
*buf_length = size;
return pool;
}
static cairo_surface_t *
gdk_wayland_create_cairo_surface (GdkWaylandDisplay *display,
int width, int height)
{
GdkWaylandCairoSurfaceData *data;
cairo_surface_t *surface = NULL;
cairo_status_t status;
int stride;
data = g_new (GdkWaylandCairoSurfaceData, 1);
data->display = display;
data->buffer = NULL;
data->width = width;
data->height = height;
stride = width * 4;
data->pool = _create_shm_pool (display->shm,
width, height,
&data->buf_length,
&data->buf);
data->buffer = wl_shm_pool_create_buffer (data->pool, 0,
width, height,
stride, WL_SHM_FORMAT_ARGB8888);
surface = cairo_image_surface_create_for_data (data->buf,
CAIRO_FORMAT_ARGB32,
width,
height,
stride);
cairo_surface_set_user_data (surface, &gdk_wayland_cairo_key,
data, gdk_wayland_cairo_surface_destroy);
status = cairo_surface_status (surface);
if (status != CAIRO_STATUS_SUCCESS)
{
g_critical (G_STRLOC ": Unable to create Cairo image surface: %s",
cairo_status_to_string (status));
}
return surface;
}
/* On this first call this creates a double reference - the first reference
* is held by the GdkWindowImplWayland struct - since unlike other backends
* the Cairo surface is not just a cheap wrapper around some other backing.
* It is the buffer itself.
*/
static cairo_surface_t *
gdk_wayland_window_ref_cairo_surface (GdkWindow *window)
{
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
GdkWaylandDisplay *display_wayland =
GDK_WAYLAND_DISPLAY (gdk_window_get_display (impl->wrapper));
if (GDK_WINDOW_DESTROYED (impl->wrapper))
return NULL;
if (!impl->cairo_surface)
{
impl->cairo_surface =
gdk_wayland_create_cairo_surface (display_wayland,
impl->wrapper->width,
impl->wrapper->height);
}
cairo_surface_reference (impl->cairo_surface);
return impl->cairo_surface;
}
static void
gdk_window_impl_wayland_finalize (GObject *object)
{
GdkWindowImplWayland *impl;
g_return_if_fail (GDK_IS_WINDOW_IMPL_WAYLAND (object));
impl = GDK_WINDOW_IMPL_WAYLAND (object);
if (impl->cursor)
g_object_unref (impl->cursor);
if (impl->server_surface)
cairo_surface_destroy (impl->server_surface);
G_OBJECT_CLASS (_gdk_window_impl_wayland_parent_class)->finalize (object);
}
static void
gdk_wayland_window_configure (GdkWindow *window,
int width, int height, int edges)
{
GdkDisplay *display;
GdkEvent *event;
display = gdk_window_get_display (window);
/* TODO: Only generate a configure event if width or height have actually
* changed?
*/
event = gdk_event_new (GDK_CONFIGURE);
event->configure.window = window;
event->configure.send_event = FALSE;
event->configure.width = width;
event->configure.height = height;
_gdk_window_update_size (window);
gdk_wayland_window_update_size (window, width, height, edges);
g_object_ref(window);
_gdk_wayland_display_deliver_event (display, event);
}
static void
gdk_wayland_window_set_user_time (GdkWindow *window, guint32 user_time)
{
}
static void
gdk_wayland_window_map (GdkWindow *window)
{
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
GdkWindowImplWayland *parent;
GdkWaylandDisplay *wayland_display =
GDK_WAYLAND_DISPLAY (gdk_window_get_display (window));
if (!impl->mapped)
{
if (impl->transient_for)
{
struct wl_seat *grab_input_seat = NULL;
parent = GDK_WINDOW_IMPL_WAYLAND (impl->transient_for->impl);
/* Use the device that was used for the grab as the device for
* the popup window setup - so this relies on GTK+ taking the
* grab before showing the popup window.
*/
if (impl->grab_input_seat)
grab_input_seat = impl->grab_input_seat;
if (!grab_input_seat)
grab_input_seat = parent->grab_input_seat;
if (grab_input_seat &&
(impl->hint == GDK_WINDOW_TYPE_HINT_POPUP_MENU ||
impl->hint == GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU ||
impl->hint == GDK_WINDOW_TYPE_HINT_COMBO))
{
wl_shell_surface_set_popup (impl->shell_surface,
grab_input_seat,
_gdk_wayland_display_get_serial (wayland_display),
parent->surface,
window->x, window->y, 0);
} else {
wl_shell_surface_set_transient (impl->shell_surface, parent->surface,
window->x, window->y, 0);
}
}
else
{
wl_shell_surface_set_toplevel (impl->shell_surface);
}
impl->mapped = TRUE;
}
}
static void
shell_surface_handle_configure(void *data,
struct wl_shell_surface *shell_surface,
uint32_t edges,
int32_t width,
int32_t height)
{
GdkWindow *window = GDK_WINDOW (data);
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
gdk_window_constrain_size (&impl->geometry_hints,
impl->geometry_mask,
width,
height,
&width,
&height);
gdk_wayland_window_configure (window, width, height, edges);
}
static void
shell_surface_popup_done (void *data,
struct wl_shell_surface *shell_surface)
{
GdkWindow *window = GDK_WINDOW (data);
/* When the popup is complete hide the window - this really relies on the
* fix in https://bugzilla.gnome.org/show_bug.cgi?id=670881 to work
* effectively.
*/
gdk_window_hide (window);
}
static void
shell_surface_ping (void *data,
struct wl_shell_surface *shell_surface,
uint32_t serial)
{
GdkWindow *window = GDK_WINDOW (data);
GdkWaylandDisplay *wayland_display =
GDK_WAYLAND_DISPLAY (gdk_window_get_display (window));
_gdk_wayland_display_update_serial (wayland_display, serial);
wl_shell_surface_pong(shell_surface, serial);
}
static const struct wl_shell_surface_listener shell_surface_listener = {
shell_surface_ping,
shell_surface_handle_configure,
shell_surface_popup_done
};
static void
gdk_wayland_window_show (GdkWindow *window, gboolean already_mapped)
{
GdkDisplay *display;
GdkWaylandDisplay *display_wayland;
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
GdkEvent *event;
display = gdk_window_get_display (window);
display_wayland = GDK_WAYLAND_DISPLAY (display);
if (impl->user_time != 0 &&
display_wayland->user_time != 0 &&
XSERVER_TIME_IS_LATER (display_wayland->user_time, impl->user_time))
gdk_wayland_window_set_user_time (window, impl->user_time);
impl->surface = wl_compositor_create_surface(display_wayland->compositor);
wl_surface_set_user_data(impl->surface, window);
impl->shell_surface = wl_shell_get_shell_surface (display_wayland->shell,
impl->surface);
wl_shell_surface_add_listener(impl->shell_surface,
&shell_surface_listener, window);
gdk_window_set_type_hint (window, impl->hint);
_gdk_make_event (window, GDK_MAP, NULL, FALSE);
event = _gdk_make_event (window, GDK_VISIBILITY_NOTIFY, NULL, FALSE);
event->visibility.state = GDK_VISIBILITY_UNOBSCURED;
if (impl->cairo_surface)
gdk_wayland_window_attach_image (window);
}
static void
gdk_wayland_window_hide (GdkWindow *window)
{
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
if (impl->surface)
{
if (impl->shell_surface)
wl_shell_surface_destroy(impl->shell_surface);
if (impl->surface)
wl_surface_destroy(impl->surface);
impl->shell_surface = NULL;
impl->surface = NULL;
cairo_surface_destroy(impl->server_surface);
impl->server_surface = NULL;
impl->mapped = FALSE;
}
_gdk_window_clear_update_area (window);
}
static void
gdk_window_wayland_withdraw (GdkWindow *window)
{
GdkWindowImplWayland *impl;
if (!window->destroyed)
{
if (GDK_WINDOW_IS_MAPPED (window))
gdk_synthesize_window_state (window, 0, GDK_WINDOW_STATE_WITHDRAWN);
g_assert (!GDK_WINDOW_IS_MAPPED (window));
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
if (impl->surface)
{
if (impl->shell_surface)
wl_shell_surface_destroy(impl->shell_surface);
if (impl->surface)
wl_surface_destroy(impl->surface);
impl->shell_surface = NULL;
impl->surface = NULL;
cairo_surface_destroy(impl->server_surface);
impl->server_surface = NULL;
impl->mapped = FALSE;
}
}
}
static void
gdk_window_wayland_set_events (GdkWindow *window,
GdkEventMask event_mask)
{
GDK_WINDOW (window)->event_mask = event_mask;
}
static GdkEventMask
gdk_window_wayland_get_events (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window))
return 0;
else
return GDK_WINDOW (window)->event_mask;
}
static void
gdk_window_wayland_raise (GdkWindow *window)
{
/* FIXME: wl_shell_raise() */
}
static void
gdk_window_wayland_lower (GdkWindow *window)
{
/* FIXME: wl_shell_lower() */
}
static void
gdk_window_wayland_restack_under (GdkWindow *window,
GList *native_siblings)
{
}
static void
gdk_window_wayland_restack_toplevel (GdkWindow *window,
GdkWindow *sibling,
gboolean above)
{
}
static void
gdk_window_wayland_move_resize (GdkWindow *window,
gboolean with_move,
gint x,
gint y,
gint width,
gint height)
{
if (with_move)
{
window->x = x;
window->y = y;
}
/* If this function is called with width and height = -1 then that means
* just move the window - don't update its size
*/
if (width > 0 && height > 0)
gdk_wayland_window_configure (window, width, height, 0);
}
static void
gdk_window_wayland_set_background (GdkWindow *window,
cairo_pattern_t *pattern)
{
}
static gboolean
gdk_window_wayland_reparent (GdkWindow *window,
GdkWindow *new_parent,
gint x,
gint y)
{
return FALSE;
}
static void
gdk_window_wayland_set_device_cursor (GdkWindow *window,
GdkDevice *device,
GdkCursor *cursor)
{
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (GDK_IS_DEVICE (device));
if (!GDK_WINDOW_DESTROYED (window))
GDK_DEVICE_GET_CLASS (device)->set_window_cursor (device, window, cursor);
}
static void
gdk_window_wayland_get_geometry (GdkWindow *window,
gint *x,
gint *y,
gint *width,
gint *height)
{
if (!GDK_WINDOW_DESTROYED (window))
{
if (x)
*x = window->x;
if (y)
*y = window->y;
if (width)
*width = window->width;
if (height)
*height = window->height;
}
}
void
_gdk_wayland_window_offset (GdkWindow *window,
gint *x_out,
gint *y_out)
{
GdkWindowImplWayland *impl, *parent_impl;
GdkWindow *parent_window;
gint x_offset = 0, y_offset = 0;
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
parent_window = impl->transient_for;
while (parent_window)
{
parent_impl = GDK_WINDOW_IMPL_WAYLAND (parent_window->impl);
x_offset += window->x;
y_offset += window->y;
parent_window = parent_impl->transient_for;
}
*x_out = x_offset;
*y_out = y_offset;
}
static gint
gdk_window_wayland_get_root_coords (GdkWindow *window,
gint x,
gint y,
gint *root_x,
gint *root_y)
{
gint x_offset, y_offset;
_gdk_wayland_window_offset (window, &x_offset, &y_offset);
*root_x = x_offset + x;
*root_y = y_offset + y;
return 1;
}
static gboolean
gdk_window_wayland_get_device_state (GdkWindow *window,
GdkDevice *device,
gint *x,
gint *y,
GdkModifierType *mask)
{
gboolean return_val;
g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), FALSE);
return_val = TRUE;
if (!GDK_WINDOW_DESTROYED (window))
{
GdkWindow *child;
GDK_DEVICE_GET_CLASS (device)->query_state (device, window,
NULL, &child,
NULL, NULL,
x, y, mask);
return_val = (child != NULL);
}
return return_val;
}
static void
gdk_window_wayland_shape_combine_region (GdkWindow *window,
const cairo_region_t *shape_region,
gint offset_x,
gint offset_y)
{
}
static void
gdk_window_wayland_input_shape_combine_region (GdkWindow *window,
const cairo_region_t *shape_region,
gint offset_x,
gint offset_y)
{
}
static gboolean
gdk_window_wayland_set_static_gravities (GdkWindow *window,
gboolean use_static)
{
return TRUE;
}
static gboolean
gdk_wayland_window_queue_antiexpose (GdkWindow *window,
cairo_region_t *area)
{
return FALSE;
}
static void
gdk_wayland_window_translate (GdkWindow *window,
cairo_region_t *area,
gint dx,
gint dy)
{
_gdk_window_invalidate_for_expose (window, area);
}
static void
gdk_wayland_window_destroy (GdkWindow *window,
gboolean recursing,
gboolean foreign_destroy)
{
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
g_return_if_fail (GDK_IS_WINDOW (window));
if (impl->cairo_surface)
{
cairo_surface_finish (impl->cairo_surface);
cairo_surface_set_user_data (impl->cairo_surface, &gdk_wayland_cairo_key,
NULL, NULL);
}
if (!recursing && !foreign_destroy)
{
if (impl->shell_surface)
wl_shell_surface_destroy(impl->shell_surface);
if (impl->surface)
wl_surface_destroy(impl->surface);
impl->shell_surface = NULL;
impl->surface = NULL;
}
}
static void
gdk_window_wayland_destroy_foreign (GdkWindow *window)
{
}
static cairo_surface_t *
gdk_window_wayland_resize_cairo_surface (GdkWindow *window,
cairo_surface_t *surface,
gint width,
gint height)
{
return surface;
}
static cairo_region_t *
gdk_wayland_window_get_shape (GdkWindow *window)
{
return NULL;
}
static cairo_region_t *
gdk_wayland_window_get_input_shape (GdkWindow *window)
{
return NULL;
}
static void
gdk_wayland_window_focus (GdkWindow *window,
guint32 timestamp)
{
/* FIXME: wl_shell_focus() */
}
static void
gdk_wayland_window_set_type_hint (GdkWindow *window,
GdkWindowTypeHint hint)
{
GdkWindowImplWayland *impl;
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
if (GDK_WINDOW_DESTROYED (window))
return;
impl->hint = hint;
switch (hint)
{
case GDK_WINDOW_TYPE_HINT_MENU:
case GDK_WINDOW_TYPE_HINT_TOOLBAR:
case GDK_WINDOW_TYPE_HINT_UTILITY:
case GDK_WINDOW_TYPE_HINT_DOCK:
case GDK_WINDOW_TYPE_HINT_DESKTOP:
case GDK_WINDOW_TYPE_HINT_DROPDOWN_MENU:
case GDK_WINDOW_TYPE_HINT_POPUP_MENU:
case GDK_WINDOW_TYPE_HINT_TOOLTIP:
case GDK_WINDOW_TYPE_HINT_NOTIFICATION:
case GDK_WINDOW_TYPE_HINT_COMBO:
case GDK_WINDOW_TYPE_HINT_DND:
break;
default:
g_warning ("Unknown hint %d passed to gdk_window_set_type_hint", hint);
/* Fall thru */
case GDK_WINDOW_TYPE_HINT_DIALOG:
case GDK_WINDOW_TYPE_HINT_NORMAL:
case GDK_WINDOW_TYPE_HINT_SPLASHSCREEN:
if (impl->shell_surface)
wl_shell_surface_set_toplevel (impl->shell_surface);
break;
}
}
static GdkWindowTypeHint
gdk_wayland_window_get_type_hint (GdkWindow *window)
{
return GDK_WINDOW_TYPE_HINT_NORMAL;
}
void
gdk_wayland_window_set_modal_hint (GdkWindow *window,
gboolean modal)
{
}
static void
gdk_wayland_window_set_skip_taskbar_hint (GdkWindow *window,
gboolean skips_taskbar)
{
}
static void
gdk_wayland_window_set_skip_pager_hint (GdkWindow *window,
gboolean skips_pager)
{
}
static void
gdk_wayland_window_set_urgency_hint (GdkWindow *window,
gboolean urgent)
{
}
static void
gdk_wayland_window_set_geometry_hints (GdkWindow *window,
const GdkGeometry *geometry,
GdkWindowHints geom_mask)
{
GdkWindowImplWayland *impl;
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
impl->geometry_hints = *geometry;
impl->geometry_mask = geom_mask;
/*
* GDK_HINT_POS
* GDK_HINT_USER_POS
* GDK_HINT_USER_SIZE
* GDK_HINT_MIN_SIZE
* GDK_HINT_MAX_SIZE
* GDK_HINT_BASE_SIZE
* GDK_HINT_RESIZE_INC
* GDK_HINT_ASPECT
* GDK_HINT_WIN_GRAVITY
*/
}
static void
gdk_wayland_window_set_title (GdkWindow *window,
const gchar *title)
{
g_return_if_fail (title != NULL);
if (GDK_WINDOW_DESTROYED (window))
return;
}
static void
gdk_wayland_window_set_role (GdkWindow *window,
const gchar *role)
{
}
static void
gdk_wayland_window_set_startup_id (GdkWindow *window,
const gchar *startup_id)
{
}
static void
gdk_wayland_window_set_transient_for (GdkWindow *window,
GdkWindow *parent)
{
GdkWindowImplWayland *impl;
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
impl->transient_for = parent;
}
static void
gdk_wayland_window_get_root_origin (GdkWindow *window,
gint *x,
gint *y)
{
if (x)
*x = 0;
if (y)
*y = 0;
}
static void
gdk_wayland_window_get_frame_extents (GdkWindow *window,
GdkRectangle *rect)
{
rect->x = window->x;
rect->y = window->y;
rect->width = window->width;
rect->height = window->height;
}
static void
gdk_wayland_window_set_override_redirect (GdkWindow *window,
gboolean override_redirect)
{
}
static void
gdk_wayland_window_set_accept_focus (GdkWindow *window,
gboolean accept_focus)
{
}
static void
gdk_wayland_window_set_focus_on_map (GdkWindow *window,
gboolean focus_on_map)
{
focus_on_map = focus_on_map != FALSE;
if (window->focus_on_map != focus_on_map)
{
window->focus_on_map = focus_on_map;
if ((!GDK_WINDOW_DESTROYED (window)) &&
(!window->focus_on_map) &&
WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
gdk_wayland_window_set_user_time (window, 0);
}
}
static void
gdk_wayland_window_set_icon_list (GdkWindow *window,
GList *pixbufs)
{
}
static void
gdk_wayland_window_set_icon_name (GdkWindow *window,
const gchar *name)
{
if (GDK_WINDOW_DESTROYED (window))
return;
}
static void
gdk_wayland_window_iconify (GdkWindow *window)
{
}
static void
gdk_wayland_window_deiconify (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
if (GDK_WINDOW_IS_MAPPED (window))
{
gdk_window_show (window);
}
else
{
/* Flip our client side flag, the real work happens on map. */
gdk_synthesize_window_state (window, GDK_WINDOW_STATE_ICONIFIED, 0);
}
}
static void
gdk_wayland_window_stick (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window))
return;
}
static void
gdk_wayland_window_unstick (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window))
return;
}
static void
gdk_wayland_window_maximize (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window))
return;
}
static void
gdk_wayland_window_unmaximize (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window))
return;
}
static void
gdk_wayland_window_fullscreen (GdkWindow *window)
{
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
if (GDK_WINDOW_DESTROYED (window))
return;
if (impl->fullscreen)
return;
impl->saved_width = gdk_window_get_width (window);
impl->saved_height = gdk_window_get_height (window);
wl_shell_surface_set_fullscreen (impl->shell_surface,
WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT,
0,
NULL);
impl->fullscreen = TRUE;
}
static void
gdk_wayland_window_unfullscreen (GdkWindow *window)
{
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
if (GDK_WINDOW_DESTROYED (window))
return;
if (!impl->fullscreen)
return;
wl_shell_surface_set_toplevel (impl->shell_surface);
gdk_wayland_window_configure (window, impl->saved_width, impl->saved_height,
0);
impl->fullscreen = FALSE;
}
static void
gdk_wayland_window_set_keep_above (GdkWindow *window,
gboolean setting)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
}
static void
gdk_wayland_window_set_keep_below (GdkWindow *window, gboolean setting)
{
g_return_if_fail (GDK_IS_WINDOW (window));
if (GDK_WINDOW_DESTROYED (window))
return;
}
static GdkWindow *
gdk_wayland_window_get_group (GdkWindow *window)
{
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL (window))
return NULL;
return NULL;
}
static void
gdk_wayland_window_set_group (GdkWindow *window,
GdkWindow *leader)
{
g_return_if_fail (GDK_IS_WINDOW (window));
g_return_if_fail (GDK_WINDOW_TYPE (window) != GDK_WINDOW_CHILD);
g_return_if_fail (leader == NULL || GDK_IS_WINDOW (leader));
}
static void
gdk_wayland_window_set_decorations (GdkWindow *window,
GdkWMDecoration decorations)
{
}
static gboolean
gdk_wayland_window_get_decorations (GdkWindow *window,
GdkWMDecoration *decorations)
{
return FALSE;
}
static void
gdk_wayland_window_set_functions (GdkWindow *window,
GdkWMFunction functions)
{
}
static void
gdk_wayland_window_begin_resize_drag (GdkWindow *window,
GdkWindowEdge edge,
GdkDevice *device,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
GdkWindowImplWayland *impl;
GdkWaylandDisplay *wayland_display =
GDK_WAYLAND_DISPLAY (gdk_window_get_display (window));
uint32_t grab_type;
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL_OR_FOREIGN (window))
return;
switch (edge)
{
case GDK_WINDOW_EDGE_NORTH_WEST:
grab_type = WL_SHELL_SURFACE_RESIZE_TOP_LEFT;
break;
case GDK_WINDOW_EDGE_NORTH:
grab_type = WL_SHELL_SURFACE_RESIZE_TOP;
break;
case GDK_WINDOW_EDGE_NORTH_EAST:
grab_type = WL_SHELL_SURFACE_RESIZE_RIGHT;
break;
case GDK_WINDOW_EDGE_WEST:
grab_type = WL_SHELL_SURFACE_RESIZE_LEFT;
break;
case GDK_WINDOW_EDGE_EAST:
grab_type = WL_SHELL_SURFACE_RESIZE_RIGHT;
break;
case GDK_WINDOW_EDGE_SOUTH_WEST:
grab_type = WL_SHELL_SURFACE_RESIZE_BOTTOM_LEFT;
break;
case GDK_WINDOW_EDGE_SOUTH:
grab_type = WL_SHELL_SURFACE_RESIZE_BOTTOM;
break;
case GDK_WINDOW_EDGE_SOUTH_EAST:
grab_type = WL_SHELL_SURFACE_RESIZE_BOTTOM_RIGHT;
break;
default:
g_warning ("gdk_window_begin_resize_drag: bad resize edge %d!",
edge);
return;
}
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
wl_shell_surface_resize (impl->shell_surface,
_gdk_wayland_device_get_wl_seat (device),
_gdk_wayland_display_get_serial (wayland_display),
grab_type);
/* This is needed since Wayland will absorb all the pointer events after the
* above function - FIXME: Is this always safe..?
*/
gdk_device_ungrab (device, timestamp);
}
static void
gdk_wayland_window_begin_move_drag (GdkWindow *window,
GdkDevice *device,
gint button,
gint root_x,
gint root_y,
guint32 timestamp)
{
GdkWindowImplWayland *impl;
GdkWaylandDisplay *wayland_display =
GDK_WAYLAND_DISPLAY (gdk_window_get_display (window));
if (GDK_WINDOW_DESTROYED (window) ||
!WINDOW_IS_TOPLEVEL (window))
return;
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
wl_shell_surface_move (impl->shell_surface,
_gdk_wayland_device_get_wl_seat (device),
_gdk_wayland_display_get_serial (wayland_display));
/* This is needed since Wayland will absorb all the pointer events after the
* above function - FIXME: Is this always safe..?
*/
gdk_device_ungrab (device, timestamp);
}
static void
gdk_wayland_window_enable_synchronized_configure (GdkWindow *window)
{
}
static void
gdk_wayland_window_configure_finished (GdkWindow *window)
{
if (!WINDOW_IS_TOPLEVEL (window))
return;
if (!GDK_IS_WINDOW_IMPL_WAYLAND (window->impl))
return;
}
static void
gdk_wayland_window_set_opacity (GdkWindow *window,
gdouble opacity)
{
}
static void
gdk_wayland_window_set_composited (GdkWindow *window,
gboolean composited)
{
}
static void
gdk_wayland_window_destroy_notify (GdkWindow *window)
{
if (!GDK_WINDOW_DESTROYED (window))
{
if (GDK_WINDOW_TYPE(window) != GDK_WINDOW_FOREIGN)
g_warning ("GdkWindow %p unexpectedly destroyed", window);
_gdk_window_destroy (window, TRUE);
}
g_object_unref (window);
}
static void
gdk_wayland_window_process_updates_recurse (GdkWindow *window,
cairo_region_t *region)
{
GdkWindowImplWayland *impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
cairo_rectangle_int_t rect;
int i, n;
gdk_wayland_window_map (window);
if (impl->cairo_surface)
gdk_wayland_window_attach_image (window);
n = cairo_region_num_rectangles(region);
for (i = 0; i < n; i++)
{
cairo_region_get_rectangle (region, i, &rect);
wl_surface_damage (impl->surface,
rect.x, rect.y, rect.width, rect.height);
wl_surface_commit(impl->surface);
}
_gdk_window_process_updates_recurse (window, region);
}
static void
gdk_wayland_window_sync_rendering (GdkWindow *window)
{
}
static gboolean
gdk_wayland_window_simulate_key (GdkWindow *window,
gint x,
gint y,
guint keyval,
GdkModifierType modifiers,
GdkEventType key_pressrelease)
{
return FALSE;
}
static gboolean
gdk_wayland_window_simulate_button (GdkWindow *window,
gint x,
gint y,
guint button, /*1..3*/
GdkModifierType modifiers,
GdkEventType button_pressrelease)
{
return FALSE;
}
static gboolean
gdk_wayland_window_get_property (GdkWindow *window,
GdkAtom property,
GdkAtom type,
gulong offset,
gulong length,
gint pdelete,
GdkAtom *actual_property_type,
gint *actual_format_type,
gint *actual_length,
guchar **data)
{
return FALSE;
}
static void
gdk_wayland_window_change_property (GdkWindow *window,
GdkAtom property,
GdkAtom type,
gint format,
GdkPropMode mode,
const guchar *data,
gint nelements)
{
}
static void
gdk_wayland_window_delete_property (GdkWindow *window,
GdkAtom property)
{
}
static void
_gdk_window_impl_wayland_class_init (GdkWindowImplWaylandClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GdkWindowImplClass *impl_class = GDK_WINDOW_IMPL_CLASS (klass);
object_class->finalize = gdk_window_impl_wayland_finalize;
impl_class->ref_cairo_surface = gdk_wayland_window_ref_cairo_surface;
impl_class->show = gdk_wayland_window_show;
impl_class->hide = gdk_wayland_window_hide;
impl_class->withdraw = gdk_window_wayland_withdraw;
impl_class->set_events = gdk_window_wayland_set_events;
impl_class->get_events = gdk_window_wayland_get_events;
impl_class->raise = gdk_window_wayland_raise;
impl_class->lower = gdk_window_wayland_lower;
impl_class->restack_under = gdk_window_wayland_restack_under;
impl_class->restack_toplevel = gdk_window_wayland_restack_toplevel;
impl_class->move_resize = gdk_window_wayland_move_resize;
impl_class->set_background = gdk_window_wayland_set_background;
impl_class->reparent = gdk_window_wayland_reparent;
impl_class->set_device_cursor = gdk_window_wayland_set_device_cursor;
impl_class->get_geometry = gdk_window_wayland_get_geometry;
impl_class->get_root_coords = gdk_window_wayland_get_root_coords;
impl_class->get_device_state = gdk_window_wayland_get_device_state;
impl_class->shape_combine_region = gdk_window_wayland_shape_combine_region;
impl_class->input_shape_combine_region = gdk_window_wayland_input_shape_combine_region;
impl_class->set_static_gravities = gdk_window_wayland_set_static_gravities;
impl_class->queue_antiexpose = gdk_wayland_window_queue_antiexpose;
impl_class->translate = gdk_wayland_window_translate;
impl_class->destroy = gdk_wayland_window_destroy;
impl_class->destroy_foreign = gdk_window_wayland_destroy_foreign;
impl_class->resize_cairo_surface = gdk_window_wayland_resize_cairo_surface;
impl_class->get_shape = gdk_wayland_window_get_shape;
impl_class->get_input_shape = gdk_wayland_window_get_input_shape;
/* impl_class->beep */
impl_class->focus = gdk_wayland_window_focus;
impl_class->set_type_hint = gdk_wayland_window_set_type_hint;
impl_class->get_type_hint = gdk_wayland_window_get_type_hint;
impl_class->set_modal_hint = gdk_wayland_window_set_modal_hint;
impl_class->set_skip_taskbar_hint = gdk_wayland_window_set_skip_taskbar_hint;
impl_class->set_skip_pager_hint = gdk_wayland_window_set_skip_pager_hint;
impl_class->set_urgency_hint = gdk_wayland_window_set_urgency_hint;
impl_class->set_geometry_hints = gdk_wayland_window_set_geometry_hints;
impl_class->set_title = gdk_wayland_window_set_title;
impl_class->set_role = gdk_wayland_window_set_role;
impl_class->set_startup_id = gdk_wayland_window_set_startup_id;
impl_class->set_transient_for = gdk_wayland_window_set_transient_for;
impl_class->get_root_origin = gdk_wayland_window_get_root_origin;
impl_class->get_frame_extents = gdk_wayland_window_get_frame_extents;
impl_class->set_override_redirect = gdk_wayland_window_set_override_redirect;
impl_class->set_accept_focus = gdk_wayland_window_set_accept_focus;
impl_class->set_focus_on_map = gdk_wayland_window_set_focus_on_map;
impl_class->set_icon_list = gdk_wayland_window_set_icon_list;
impl_class->set_icon_name = gdk_wayland_window_set_icon_name;
impl_class->iconify = gdk_wayland_window_iconify;
impl_class->deiconify = gdk_wayland_window_deiconify;
impl_class->stick = gdk_wayland_window_stick;
impl_class->unstick = gdk_wayland_window_unstick;
impl_class->maximize = gdk_wayland_window_maximize;
impl_class->unmaximize = gdk_wayland_window_unmaximize;
impl_class->fullscreen = gdk_wayland_window_fullscreen;
impl_class->unfullscreen = gdk_wayland_window_unfullscreen;
impl_class->set_keep_above = gdk_wayland_window_set_keep_above;
impl_class->set_keep_below = gdk_wayland_window_set_keep_below;
impl_class->get_group = gdk_wayland_window_get_group;
impl_class->set_group = gdk_wayland_window_set_group;
impl_class->set_decorations = gdk_wayland_window_set_decorations;
impl_class->get_decorations = gdk_wayland_window_get_decorations;
impl_class->set_functions = gdk_wayland_window_set_functions;
impl_class->begin_resize_drag = gdk_wayland_window_begin_resize_drag;
impl_class->begin_move_drag = gdk_wayland_window_begin_move_drag;
impl_class->enable_synchronized_configure = gdk_wayland_window_enable_synchronized_configure;
impl_class->configure_finished = gdk_wayland_window_configure_finished;
impl_class->set_opacity = gdk_wayland_window_set_opacity;
impl_class->set_composited = gdk_wayland_window_set_composited;
impl_class->destroy_notify = gdk_wayland_window_destroy_notify;
impl_class->get_drag_protocol = _gdk_wayland_window_get_drag_protocol;
impl_class->register_dnd = _gdk_wayland_window_register_dnd;
impl_class->drag_begin = _gdk_wayland_window_drag_begin;
impl_class->process_updates_recurse = gdk_wayland_window_process_updates_recurse;
impl_class->sync_rendering = gdk_wayland_window_sync_rendering;
impl_class->simulate_key = gdk_wayland_window_simulate_key;
impl_class->simulate_button = gdk_wayland_window_simulate_button;
impl_class->get_property = gdk_wayland_window_get_property;
impl_class->change_property = gdk_wayland_window_change_property;
impl_class->delete_property = gdk_wayland_window_delete_property;
}
void
_gdk_wayland_window_set_device_grabbed (GdkWindow *window,
struct wl_seat *seat,
guint32 time_)
{
GdkWindowImplWayland *impl;
g_return_if_fail (window != NULL);
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
impl->grab_input_seat = seat;
impl->grab_time = time_;
}
/**
* gdk_wayland_window_get_wl_surface
* @window: (type GdkWaylandWindow): a #GdkWindow
*
* Returns the Wayland surface of a #GdkWindow
*
* Returns: (transfer none): a Wayland wl_surface
*
* Since: 3.8
*/
struct wl_surface *
gdk_wayland_window_get_wl_surface (GdkWindow *window)
{
GdkWindowImplWayland *impl;
g_return_val_if_fail (GDK_IS_WAYLAND_WINDOW (window), NULL);
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
return impl->surface;
}
/**
* gdk_wayland_window_get_wl_shell_surface
* @window: (type GdkWaylandWindow): a #GdkWindow
*
* Returns the Wayland shell surface of a #GdkWindow
*
* Returns: (transfer none): a Wayland wl_shell_surface
*
* Since: 3.8
*/
struct wl_shell_surface *
gdk_wayland_window_get_wl_shell_surface (GdkWindow *window)
{
GdkWindowImplWayland *impl;
g_return_val_if_fail (GDK_IS_WAYLAND_WINDOW (window), NULL);
impl = GDK_WINDOW_IMPL_WAYLAND (window->impl);
return impl->shell_surface;
}