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4dc5882777
mutter/src/wayland/meta-wayland-surface.c
Adel Gadllah 4dc5882777 wayland: Add frame callbacks to the actor based on the role 
Checking for the presense of the actor is wrong because we always
create one.

https://bugzilla.gnome.org/show_bug.cgi?id=739163
2015-08-09 19:25:46 +02:00

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/*
* Wayland Support
*
* Copyright (C) 2012,2013 Intel Corporation
* 2013 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "config.h"
#include "meta-wayland-surface.h"
#include <clutter/clutter.h>
#include <clutter/wayland/clutter-wayland-compositor.h>
#include <clutter/wayland/clutter-wayland-surface.h>
#include <cogl/cogl-wayland-server.h>
#include <wayland-server.h>
#include "gtk-shell-server-protocol.h"
#include "xdg-shell-server-protocol.h"
#include "meta-wayland-private.h"
#include "meta-xwayland-private.h"
#include "meta-wayland-buffer.h"
#include "meta-wayland-region.h"
#include "meta-wayland-seat.h"
#include "meta-wayland-keyboard.h"
#include "meta-wayland-pointer.h"
#include "meta-wayland-popup.h"
#include "meta-wayland-data-device.h"
#include "meta-wayland-outputs.h"
#include "meta-cursor-tracker-private.h"
#include "display-private.h"
#include "window-private.h"
#include "meta-window-wayland.h"
#include "compositor/region-utils.h"
#include "meta-surface-actor.h"
#include "meta-surface-actor-wayland.h"
#include "meta-xwayland-private.h"
typedef enum
{
META_WAYLAND_SUBSURFACE_PLACEMENT_ABOVE,
META_WAYLAND_SUBSURFACE_PLACEMENT_BELOW
} MetaWaylandSubsurfacePlacement;
typedef struct
{
MetaWaylandSubsurfacePlacement placement;
MetaWaylandSurface *sibling;
struct wl_listener sibling_destroy_listener;
} MetaWaylandSubsurfacePlacementOp;
int
meta_wayland_surface_set_role (MetaWaylandSurface *surface,
MetaWaylandSurfaceRole role,
struct wl_resource *error_resource,
uint32_t error_code)
{
if (surface->role == META_WAYLAND_SURFACE_ROLE_NONE ||
surface->role == role)
{
surface->role = role;
return 0;
}
else
{
wl_resource_post_error (error_resource, error_code,
"wl_surface@%d already has a different role",
wl_resource_get_id (surface->resource));
return -1;
}
}
static void
surface_set_buffer (MetaWaylandSurface *surface,
MetaWaylandBuffer *buffer)
{
if (surface->buffer == buffer)
return;
if (surface->buffer)
{
wl_list_remove (&surface->buffer_destroy_listener.link);
meta_wayland_buffer_unref (surface->buffer);
}
surface->buffer = buffer;
if (surface->buffer)
{
meta_wayland_buffer_ref (surface->buffer);
wl_signal_add (&surface->buffer->destroy_signal, &surface->buffer_destroy_listener);
}
}
static void
surface_handle_buffer_destroy (struct wl_listener *listener, void *data)
{
MetaWaylandSurface *surface = wl_container_of (listener, surface, buffer_destroy_listener);
surface_set_buffer (surface, NULL);
}
static void
surface_process_damage (MetaWaylandSurface *surface,
cairo_region_t *region)
{
unsigned int buffer_width;
unsigned int buffer_height;
cairo_rectangle_int_t surface_rect;
cairo_region_t *scaled_region;
int i, n_rectangles;
if (!surface->buffer)
return;
/* Intersect the damage region with the surface region before scaling in
* order to avoid integer overflow when scaling a damage region is too large
* (for example INT32_MAX which mesa passes). */
buffer_width = cogl_texture_get_width (surface->buffer->texture);
buffer_height = cogl_texture_get_height (surface->buffer->texture);
surface_rect = (cairo_rectangle_int_t) {
.width = buffer_width / surface->scale,
.height = buffer_height / surface->scale,
};
cairo_region_intersect_rectangle (region, &surface_rect);
/* The damage region must be in the same coordinate space as the buffer,
* i.e. scaled with surface->scale. */
scaled_region = meta_region_scale (region, surface->scale);
/* First update the buffer. */
meta_wayland_buffer_process_damage (surface->buffer, scaled_region);
/* Now damage the actor. The actor expects damage in the unscaled texture
* coordinate space, i.e. same as the buffer. */
/* XXX: Should this be a signal / callback on MetaWaylandBuffer instead? */
n_rectangles = cairo_region_num_rectangles (scaled_region);
for (i = 0; i < n_rectangles; i++)
{
cairo_rectangle_int_t rect;
cairo_region_get_rectangle (scaled_region, i, &rect);
meta_surface_actor_process_damage (surface->surface_actor,
rect.x, rect.y,
rect.width, rect.height);
}
cairo_region_destroy (scaled_region);
}
static void
cursor_surface_commit (MetaWaylandSurface *surface,
MetaWaylandPendingState *pending)
{
if (pending->newly_attached)
meta_wayland_seat_update_cursor_surface (surface->compositor->seat);
}
static void
dnd_surface_commit (MetaWaylandSurface *surface,
MetaWaylandPendingState *pending)
{
meta_wayland_data_device_update_dnd_surface (&surface->compositor->seat->data_device);
}
static void
calculate_surface_window_geometry (MetaWaylandSurface *surface,
MetaRectangle *total_geometry,
float parent_x,
float parent_y)
{
MetaSurfaceActorWayland *surface_actor =
META_SURFACE_ACTOR_WAYLAND (surface->surface_actor);
MetaRectangle subsurface_rect;
MetaRectangle geom;
GList *l;
/* Unmapped surfaces don't count. */
if (!CLUTTER_ACTOR_IS_VISIBLE (CLUTTER_ACTOR (surface_actor)))
return;
if (!surface->buffer)
return;
meta_surface_actor_wayland_get_subsurface_rect (surface_actor,
&subsurface_rect);
geom.x = parent_x + subsurface_rect.x;
geom.y = parent_x + subsurface_rect.y;
geom.width = subsurface_rect.width;
geom.height = subsurface_rect.height;
meta_rectangle_union (total_geometry, &geom, total_geometry);
for (l = surface->subsurfaces; l != NULL; l = l->next)
{
MetaWaylandSurface *subsurface = l->data;
calculate_surface_window_geometry (subsurface, total_geometry,
subsurface_rect.x,
subsurface_rect.y);
}
}
static void
destroy_window (MetaWaylandSurface *surface)
{
if (surface->window)
{
MetaDisplay *display = meta_get_display ();
guint32 timestamp = meta_display_get_current_time_roundtrip (display);
meta_window_unmanage (surface->window, timestamp);
}
g_assert (surface->window == NULL);
}
static void
toplevel_surface_commit (MetaWaylandSurface *surface,
MetaWaylandPendingState *pending)
{
MetaWindow *window = surface->window;
if (surface->role == META_WAYLAND_SURFACE_ROLE_WL_SHELL_SURFACE)
{
/* For wl_shell, it's equivalent to an unmap. Semantics
* are poorly defined, so we can choose some that are
* convenient for us. */
if (surface->buffer && !window)
{
window = meta_window_wayland_new (meta_get_display (), surface);
meta_wayland_surface_set_window (surface, window);
}
else if (surface->buffer == NULL && window)
{
destroy_window (surface);
return;
}
}
else if (surface->role == META_WAYLAND_SURFACE_ROLE_XDG_POPUP)
{
/* Ignore commits if we couldn't grab the pointer */
if (!window)
return;
}
else
{
if (surface->buffer == NULL)
{
/* XDG surfaces can't commit NULL buffers */
wl_resource_post_error (surface->resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"Cannot commit a NULL buffer to an xdg_surface");
return;
}
}
g_assert (window != NULL);
/* We resize X based surfaces according to X events */
if (window->client_type == META_WINDOW_CLIENT_TYPE_WAYLAND)
{
MetaRectangle geom = { 0 };
CoglTexture *texture = surface->buffer->texture;
/* Update the buffer rect immediately. */
window->buffer_rect.width = cogl_texture_get_width (texture);
window->buffer_rect.height = cogl_texture_get_height (texture);
if (pending->has_new_geometry)
{
/* If we have new geometry, use it. */
geom = pending->new_geometry;
surface->has_set_geometry = TRUE;
}
else if (!surface->has_set_geometry)
{
/* If the surface has never set any geometry, calculate
* a default one unioning the surface and all subsurfaces together. */
calculate_surface_window_geometry (surface, &geom, 0, 0);
}
else
{
/* Otherwise, keep the geometry the same. */
/* XXX: We don't store the geometry in any consistent place
* right now, so we can't re-fetch it. We should change
* meta_window_wayland_move_resize. */
/* XXX: This is the common case. Recognize it to prevent
* a warning. */
if (pending->dx == 0 && pending->dy == 0)
return;
g_warning ("XXX: Attach-initiated move without a new geometry. This is unimplemented right now.");
return;
}
meta_window_wayland_move_resize (window,
&surface->acked_configure_serial,
geom, pending->dx, pending->dy);
surface->acked_configure_serial.set = FALSE;
}
}
static void
surface_handle_pending_buffer_destroy (struct wl_listener *listener, void *data)
{
MetaWaylandPendingState *state = wl_container_of (listener, state, buffer_destroy_listener);
state->buffer = NULL;
}
static void
pending_state_init (MetaWaylandPendingState *state)
{
state->newly_attached = FALSE;
state->buffer = NULL;
state->dx = 0;
state->dy = 0;
state->scale = 0;
state->input_region = NULL;
state->input_region_set = FALSE;
state->opaque_region = NULL;
state->opaque_region_set = FALSE;
state->damage = cairo_region_create ();
state->buffer_destroy_listener.notify = surface_handle_pending_buffer_destroy;
wl_list_init (&state->frame_callback_list);
state->has_new_geometry = FALSE;
}
static void
pending_state_destroy (MetaWaylandPendingState *state)
{
MetaWaylandFrameCallback *cb, *next;
g_clear_pointer (&state->damage, cairo_region_destroy);
g_clear_pointer (&state->input_region, cairo_region_destroy);
g_clear_pointer (&state->opaque_region, cairo_region_destroy);
if (state->buffer)
wl_list_remove (&state->buffer_destroy_listener.link);
wl_list_for_each_safe (cb, next, &state->frame_callback_list, link)
wl_resource_destroy (cb->resource);
}
static void
pending_state_reset (MetaWaylandPendingState *state)
{
pending_state_destroy (state);
pending_state_init (state);
}
static void
move_pending_state (MetaWaylandPendingState *from,
MetaWaylandPendingState *to)
{
if (from->buffer)
wl_list_remove (&from->buffer_destroy_listener.link);
*to = *from;
wl_list_init (&to->frame_callback_list);
wl_list_insert_list (&to->frame_callback_list, &from->frame_callback_list);
if (to->buffer)
wl_signal_add (&to->buffer->destroy_signal, &to->buffer_destroy_listener);
pending_state_init (from);
}
static void
subsurface_surface_commit (MetaWaylandSurface *surface,
MetaWaylandPendingState *pending)
{
MetaSurfaceActorWayland *surface_actor =
META_SURFACE_ACTOR_WAYLAND (surface->surface_actor);
if (surface->buffer != NULL)
clutter_actor_show (CLUTTER_ACTOR (surface_actor));
else
clutter_actor_hide (CLUTTER_ACTOR (surface_actor));
}
/* A non-subsurface is always desynchronized.
*
* A subsurface is effectively synchronized if either its parent is
* synchronized or itself is in synchronized mode. */
static gboolean
is_surface_effectively_synchronized (MetaWaylandSurface *surface)
{
if (surface->wl_subsurface == NULL)
{
return FALSE;
}
else
{
if (surface->sub.synchronous)
return TRUE;
else
return is_surface_effectively_synchronized (surface->sub.parent);
}
}
static void
apply_pending_state (MetaWaylandSurface *surface,
MetaWaylandPendingState *pending);
static void
parent_surface_state_applied (gpointer data, gpointer user_data)
{
MetaWaylandSurface *surface = data;
if (surface->sub.pending_pos)
{
surface->sub.x = surface->sub.pending_x;
surface->sub.y = surface->sub.pending_y;
surface->sub.pending_pos = FALSE;
}
if (surface->sub.pending_placement_ops)
{
GSList *it;
MetaWaylandSurface *parent = surface->sub.parent;
ClutterActor *parent_actor =
clutter_actor_get_parent (CLUTTER_ACTOR (parent->surface_actor));
ClutterActor *surface_actor =
surface_actor = CLUTTER_ACTOR (surface->surface_actor);
for (it = surface->sub.pending_placement_ops; it; it = it->next)
{
MetaWaylandSubsurfacePlacementOp *op = it->data;
ClutterActor *sibling_actor;
if (!op->sibling)
{
g_slice_free (MetaWaylandSubsurfacePlacementOp, op);
continue;
}
sibling_actor = CLUTTER_ACTOR (op->sibling->surface_actor);
switch (op->placement)
{
case META_WAYLAND_SUBSURFACE_PLACEMENT_ABOVE:
clutter_actor_set_child_above_sibling (parent_actor,
surface_actor,
sibling_actor);
break;
case META_WAYLAND_SUBSURFACE_PLACEMENT_BELOW:
clutter_actor_set_child_below_sibling (parent_actor,
surface_actor,
sibling_actor);
break;
}
wl_list_remove (&op->sibling_destroy_listener.link);
g_slice_free (MetaWaylandSubsurfacePlacementOp, op);
}
g_slist_free (surface->sub.pending_placement_ops);
surface->sub.pending_placement_ops = NULL;
}
if (is_surface_effectively_synchronized (surface))
apply_pending_state (surface, &surface->sub.pending);
meta_surface_actor_wayland_sync_subsurface_state (
META_SURFACE_ACTOR_WAYLAND (surface->surface_actor));
}
static void
apply_pending_state (MetaWaylandSurface *surface,
MetaWaylandPendingState *pending)
{
MetaWaylandCompositor *compositor = surface->compositor;
if (pending->newly_attached)
{
if (!surface->buffer && surface->window)
meta_window_queue (surface->window, META_QUEUE_CALC_SHOWING);
surface_set_buffer (surface, pending->buffer);
if (pending->buffer)
{
CoglTexture *texture = meta_wayland_buffer_ensure_texture (pending->buffer);
meta_surface_actor_wayland_set_texture (META_SURFACE_ACTOR_WAYLAND (surface->surface_actor), texture);
}
}
if (pending->scale > 0)
surface->scale = pending->scale;
if (!cairo_region_is_empty (pending->damage))
surface_process_damage (surface, pending->damage);
surface->offset_x += pending->dx;
surface->offset_y += pending->dy;
if (pending->opaque_region_set)
{
if (surface->opaque_region)
cairo_region_destroy (surface->opaque_region);
if (pending->opaque_region)
surface->opaque_region = cairo_region_reference (pending->opaque_region);
else
surface->opaque_region = NULL;
}
if (pending->input_region_set)
{
if (surface->input_region)
cairo_region_destroy (surface->input_region);
if (pending->input_region)
surface->input_region = cairo_region_reference (pending->input_region);
else
surface->input_region = NULL;
}
/* wl_surface.frame */
switch (surface->role)
{
case META_WAYLAND_SURFACE_ROLE_NONE:
case META_WAYLAND_SURFACE_ROLE_CURSOR:
case META_WAYLAND_SURFACE_ROLE_DND:
wl_list_insert_list (&compositor->frame_callbacks, &pending->frame_callback_list);
break;
case META_WAYLAND_SURFACE_ROLE_XDG_SURFACE:
case META_WAYLAND_SURFACE_ROLE_XDG_POPUP:
case META_WAYLAND_SURFACE_ROLE_WL_SHELL_SURFACE:
case META_WAYLAND_SURFACE_ROLE_SUBSURFACE:
meta_surface_actor_wayland_add_frame_callbacks (META_SURFACE_ACTOR_WAYLAND (surface->surface_actor),
&pending->frame_callback_list);
break;
}
wl_list_init (&pending->frame_callback_list);
switch (surface->role)
{
case META_WAYLAND_SURFACE_ROLE_NONE:
break;
case META_WAYLAND_SURFACE_ROLE_CURSOR:
cursor_surface_commit (surface, pending);
break;
case META_WAYLAND_SURFACE_ROLE_DND:
dnd_surface_commit (surface, pending);
break;
case META_WAYLAND_SURFACE_ROLE_XDG_SURFACE:
case META_WAYLAND_SURFACE_ROLE_XDG_POPUP:
case META_WAYLAND_SURFACE_ROLE_WL_SHELL_SURFACE:
toplevel_surface_commit (surface, pending);
break;
case META_WAYLAND_SURFACE_ROLE_SUBSURFACE:
subsurface_surface_commit (surface, pending);
break;
}
meta_surface_actor_wayland_sync_state (
META_SURFACE_ACTOR_WAYLAND (surface->surface_actor));
pending_state_reset (pending);
g_list_foreach (surface->subsurfaces, parent_surface_state_applied, NULL);
}
static void
meta_wayland_surface_commit (MetaWaylandSurface *surface)
{
/*
* If this is a sub-surface and it is in effective synchronous mode, only
* cache the pending surface state until either one of the following two
* scenarios happens:
* 1) Its parent surface gets its state applied.
* 2) Its mode changes from synchronized to desynchronized and its parent
* surface is in effective desynchronized mode.
*/
if (is_surface_effectively_synchronized (surface))
move_pending_state (&surface->pending, &surface->sub.pending);
else
apply_pending_state (surface, &surface->pending);
}
static void
wl_surface_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static void
wl_surface_attach (struct wl_client *client,
struct wl_resource *surface_resource,
struct wl_resource *buffer_resource,
gint32 dx, gint32 dy)
{
MetaWaylandSurface *surface =
wl_resource_get_user_data (surface_resource);
MetaWaylandBuffer *buffer;
/* X11 unmanaged window */
if (!surface)
return;
if (buffer_resource)
buffer = meta_wayland_buffer_from_resource (buffer_resource);
else
buffer = NULL;
if (surface->pending.buffer)
wl_list_remove (&surface->pending.buffer_destroy_listener.link);
surface->pending.newly_attached = TRUE;
surface->pending.buffer = buffer;
surface->pending.dx = dx;
surface->pending.dy = dy;
if (buffer)
wl_signal_add (&buffer->destroy_signal,
&surface->pending.buffer_destroy_listener);
}
static void
wl_surface_damage (struct wl_client *client,
struct wl_resource *surface_resource,
gint32 x,
gint32 y,
gint32 width,
gint32 height)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource);
cairo_rectangle_int_t rectangle = { x, y, width, height };
/* X11 unmanaged window */
if (!surface)
return;
cairo_region_union_rectangle (surface->pending.damage, &rectangle);
}
static void
destroy_frame_callback (struct wl_resource *callback_resource)
{
MetaWaylandFrameCallback *callback =
wl_resource_get_user_data (callback_resource);
wl_list_remove (&callback->link);
g_slice_free (MetaWaylandFrameCallback, callback);
}
static void
wl_surface_frame (struct wl_client *client,
struct wl_resource *surface_resource,
guint32 callback_id)
{
MetaWaylandFrameCallback *callback;
MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource);
/* X11 unmanaged window */
if (!surface)
return;
callback = g_slice_new0 (MetaWaylandFrameCallback);
callback->surface = surface;
callback->resource = wl_resource_create (client, &wl_callback_interface, META_WL_CALLBACK_VERSION, callback_id);
wl_resource_set_implementation (callback->resource, NULL, callback, destroy_frame_callback);
wl_list_insert (surface->pending.frame_callback_list.prev, &callback->link);
}
static void
wl_surface_set_opaque_region (struct wl_client *client,
struct wl_resource *surface_resource,
struct wl_resource *region_resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource);
/* X11 unmanaged window */
if (!surface)
return;
g_clear_pointer (&surface->pending.opaque_region, cairo_region_destroy);
if (region_resource)
{
MetaWaylandRegion *region = wl_resource_get_user_data (region_resource);
cairo_region_t *cr_region = meta_wayland_region_peek_cairo_region (region);
surface->pending.opaque_region = cairo_region_copy (cr_region);
}
surface->pending.opaque_region_set = TRUE;
}
static void
wl_surface_set_input_region (struct wl_client *client,
struct wl_resource *surface_resource,
struct wl_resource *region_resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource);
/* X11 unmanaged window */
if (!surface)
return;
g_clear_pointer (&surface->pending.input_region, cairo_region_destroy);
if (region_resource)
{
MetaWaylandRegion *region = wl_resource_get_user_data (region_resource);
cairo_region_t *cr_region = meta_wayland_region_peek_cairo_region (region);
surface->pending.input_region = cairo_region_copy (cr_region);
}
surface->pending.input_region_set = TRUE;
}
static void
wl_surface_commit (struct wl_client *client,
struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
/* X11 unmanaged window */
if (!surface)
return;
meta_wayland_surface_commit (surface);
}
static void
wl_surface_set_buffer_transform (struct wl_client *client,
struct wl_resource *resource,
int32_t transform)
{
g_warning ("TODO: support set_buffer_transform request");
}
static void
wl_surface_set_buffer_scale (struct wl_client *client,
struct wl_resource *resource,
int scale)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
if (scale > 0)
surface->pending.scale = scale;
else
g_warning ("Trying to set invalid buffer_scale of %d\n", scale);
}
static const struct wl_surface_interface meta_wayland_wl_surface_interface = {
wl_surface_destroy,
wl_surface_attach,
wl_surface_damage,
wl_surface_frame,
wl_surface_set_opaque_region,
wl_surface_set_input_region,
wl_surface_commit,
wl_surface_set_buffer_transform,
wl_surface_set_buffer_scale
};
static gboolean
surface_should_be_reactive (MetaWaylandSurface *surface)
{
/* If we have a toplevel window, we should be reactive */
if (surface->window)
return TRUE;
/* If we're a subsurface, we should be reactive */
if (surface->wl_subsurface)
return TRUE;
return FALSE;
}
static void
sync_reactive (MetaWaylandSurface *surface)
{
clutter_actor_set_reactive (CLUTTER_ACTOR (surface->surface_actor),
surface_should_be_reactive (surface));
}
static void
sync_drag_dest_funcs (MetaWaylandSurface *surface)
{
if (surface->window &&
surface->window->client_type == META_WINDOW_CLIENT_TYPE_X11)
surface->dnd.funcs = meta_xwayland_selection_get_drag_dest_funcs ();
else
surface->dnd.funcs = meta_wayland_data_device_get_drag_dest_funcs ();
}
static void
surface_entered_output (MetaWaylandSurface *surface,
MetaWaylandOutput *wayland_output)
{
GList *iter;
struct wl_resource *resource;
for (iter = wayland_output->resources; iter != NULL; iter = iter->next)
{
resource = iter->data;
if (wl_resource_get_client (resource) !=
wl_resource_get_client (surface->resource))
continue;
wl_surface_send_enter (surface->resource, resource);
}
}
static void
surface_left_output (MetaWaylandSurface *surface,
MetaWaylandOutput *wayland_output)
{
GList *iter;
struct wl_resource *resource;
for (iter = wayland_output->resources; iter != NULL; iter = iter->next)
{
resource = iter->data;
if (wl_resource_get_client (resource) !=
wl_resource_get_client (surface->resource))
continue;
wl_surface_send_leave (surface->resource, resource);
}
}
static void
set_surface_is_on_output (MetaWaylandSurface *surface,
MetaWaylandOutput *wayland_output,
gboolean is_on_output);
static void
surface_handle_output_destroy (MetaWaylandOutput *wayland_output,
GParamSpec *pspec,
MetaWaylandSurface *surface)
{
set_surface_is_on_output (surface, wayland_output, FALSE);
}
static void
set_surface_is_on_output (MetaWaylandSurface *surface,
MetaWaylandOutput *wayland_output,
gboolean is_on_output)
{
gboolean was_on_output = g_hash_table_contains (surface->outputs,
wayland_output);
if (!was_on_output && is_on_output)
{
g_signal_connect (wayland_output, "output-destroyed",
G_CALLBACK (surface_handle_output_destroy),
surface);
g_hash_table_add (surface->outputs, wayland_output);
surface_entered_output (surface, wayland_output);
}
else if (was_on_output && !is_on_output)
{
g_hash_table_remove (surface->outputs, wayland_output);
g_signal_handlers_disconnect_by_func (
wayland_output, (gpointer)surface_handle_output_destroy, surface);
surface_left_output (surface, wayland_output);
}
}
static void
update_surface_output_state (gpointer key, gpointer value, gpointer user_data)
{
MetaWaylandOutput *wayland_output = value;
MetaWaylandSurface *surface = user_data;
MetaSurfaceActorWayland *actor =
META_SURFACE_ACTOR_WAYLAND (surface->surface_actor);
MetaMonitorInfo *monitor;
gboolean is_on_output;
monitor = wayland_output->monitor_info;
if (!monitor)
{
set_surface_is_on_output (surface, wayland_output, FALSE);
return;
}
is_on_output = meta_surface_actor_wayland_is_on_monitor (actor, monitor);
set_surface_is_on_output (surface, wayland_output, is_on_output);
}
void
meta_wayland_surface_update_outputs (MetaWaylandSurface *surface)
{
if (!surface->compositor)
return;
g_hash_table_foreach (surface->compositor->outputs,
update_surface_output_state,
surface);
}
void
meta_wayland_surface_set_window (MetaWaylandSurface *surface,
MetaWindow *window)
{
surface->window = window;
sync_reactive (surface);
sync_drag_dest_funcs (surface);
}
static void
wl_surface_destructor (struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
MetaWaylandCompositor *compositor = surface->compositor;
/* If we still have a window at the time of destruction, that means that
* the client is disconnecting, as the resources are destroyed in a random
* order. Simply destroy the window in this case. */
if (surface->window)
destroy_window (surface);
surface_set_buffer (surface, NULL);
pending_state_destroy (&surface->pending);
if (surface->opaque_region)
cairo_region_destroy (surface->opaque_region);
if (surface->input_region)
cairo_region_destroy (surface->input_region);
meta_surface_actor_wayland_surface_destroyed (
META_SURFACE_ACTOR_WAYLAND (surface->surface_actor));
g_object_unref (surface->surface_actor);
meta_wayland_compositor_destroy_frame_callbacks (compositor, surface);
g_hash_table_unref (surface->outputs);
if (surface->resource)
wl_resource_set_user_data (surface->resource, NULL);
if (surface->xdg_surface)
wl_resource_destroy (surface->xdg_surface);
if (surface->xdg_popup)
wl_resource_destroy (surface->xdg_popup);
if (surface->wl_subsurface)
wl_resource_destroy (surface->wl_subsurface);
if (surface->wl_shell_surface)
wl_resource_destroy (surface->wl_shell_surface);
if (surface->gtk_surface)
wl_resource_destroy (surface->gtk_surface);
g_slice_free (MetaWaylandSurface, surface);
meta_wayland_compositor_repick (compositor);
}
MetaWaylandSurface *
meta_wayland_surface_create (MetaWaylandCompositor *compositor,
struct wl_client *client,
struct wl_resource *compositor_resource,
guint32 id)
{
MetaWaylandSurface *surface = g_slice_new0 (MetaWaylandSurface);
surface->compositor = compositor;
surface->scale = 1;
surface->resource = wl_resource_create (client, &wl_surface_interface, wl_resource_get_version (compositor_resource), id);
wl_resource_set_implementation (surface->resource, &meta_wayland_wl_surface_interface, surface, wl_surface_destructor);
surface->buffer_destroy_listener.notify = surface_handle_buffer_destroy;
surface->surface_actor = g_object_ref_sink (meta_surface_actor_wayland_new (surface));
sync_drag_dest_funcs (surface);
surface->outputs = g_hash_table_new (NULL, NULL);
pending_state_init (&surface->pending);
return surface;
}
static void
xdg_shell_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static void
xdg_shell_use_unstable_version (struct wl_client *client,
struct wl_resource *resource,
int32_t version)
{
if (version != XDG_SHELL_VERSION_CURRENT)
wl_resource_post_error (resource, WL_DISPLAY_ERROR_INVALID_OBJECT,
"bad xdg-shell version: %d\n", version);
}
static void
xdg_shell_pong (struct wl_client *client,
struct wl_resource *resource,
uint32_t serial)
{
MetaDisplay *display = meta_get_display ();
meta_display_pong_for_serial (display, serial);
}
static void
xdg_surface_destructor (struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_wayland_compositor_destroy_frame_callbacks (surface->compositor,
surface);
destroy_window (surface);
surface->xdg_surface = NULL;
}
static void
xdg_surface_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static void
xdg_surface_set_parent (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *parent_resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
MetaWindow *transient_for = NULL;
if (parent_resource)
{
MetaWaylandSurface *parent_surface = wl_resource_get_user_data (parent_resource);
transient_for = parent_surface->window;
}
meta_window_set_transient_for (surface->window, transient_for);
}
static void
xdg_surface_set_title (struct wl_client *client,
struct wl_resource *resource,
const char *title)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_window_set_title (surface->window, title);
}
static void
xdg_surface_set_app_id (struct wl_client *client,
struct wl_resource *resource,
const char *app_id)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_window_set_wm_class (surface->window, app_id, app_id);
}
static void
xdg_surface_show_window_menu (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *seat_resource,
uint32_t serial,
int32_t x,
int32_t y)
{
MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource);
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
if (!meta_wayland_seat_get_grab_info (seat, surface, serial, NULL, NULL))
return;
meta_window_show_menu (surface->window, META_WINDOW_MENU_WM,
surface->window->buffer_rect.x + x,
surface->window->buffer_rect.y + y);
}
static gboolean
begin_grab_op_on_surface (MetaWaylandSurface *surface,
MetaWaylandSeat *seat,
MetaGrabOp grab_op,
gfloat x,
gfloat y)
{
MetaWindow *window = surface->window;
if (grab_op == META_GRAB_OP_NONE)
return FALSE;
return meta_display_begin_grab_op (window->display,
window->screen,
window,
grab_op,
TRUE, /* pointer_already_grabbed */
FALSE, /* frame_action */
1, /* button. XXX? */
0, /* modmask */
meta_display_get_current_time_roundtrip (window->display),
x, y);
}
static void
xdg_surface_move (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *seat_resource,
guint32 serial)
{
MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource);
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
gfloat x, y;
if (!meta_wayland_seat_get_grab_info (seat, surface, serial, &x, &y))
return;
begin_grab_op_on_surface (surface, seat, META_GRAB_OP_MOVING, x, y);
}
static MetaGrabOp
grab_op_for_xdg_surface_resize_edge (int edge)
{
MetaGrabOp op = META_GRAB_OP_WINDOW_BASE;
if (edge & XDG_SURFACE_RESIZE_EDGE_TOP)
op |= META_GRAB_OP_WINDOW_DIR_NORTH;
if (edge & XDG_SURFACE_RESIZE_EDGE_BOTTOM)
op |= META_GRAB_OP_WINDOW_DIR_SOUTH;
if (edge & XDG_SURFACE_RESIZE_EDGE_LEFT)
op |= META_GRAB_OP_WINDOW_DIR_WEST;
if (edge & XDG_SURFACE_RESIZE_EDGE_RIGHT)
op |= META_GRAB_OP_WINDOW_DIR_EAST;
if (op == META_GRAB_OP_WINDOW_BASE)
{
g_warning ("invalid edge: %d", edge);
return META_GRAB_OP_NONE;
}
return op;
}
static void
xdg_surface_resize (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *seat_resource,
guint32 serial,
guint32 edges)
{
MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource);
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
gfloat x, y;
if (!meta_wayland_seat_get_grab_info (seat, surface, serial, &x, &y))
return;
begin_grab_op_on_surface (surface, seat, grab_op_for_xdg_surface_resize_edge (edges), x, y);
}
static void
xdg_surface_ack_configure (struct wl_client *client,
struct wl_resource *resource,
uint32_t serial)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
surface->acked_configure_serial.set = TRUE;
surface->acked_configure_serial.value = serial;
}
static void
xdg_surface_set_window_geometry (struct wl_client *client,
struct wl_resource *resource,
int32_t x, int32_t y, int32_t width, int32_t height)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
surface->pending.has_new_geometry = TRUE;
surface->pending.new_geometry.x = x;
surface->pending.new_geometry.y = y;
surface->pending.new_geometry.width = width;
surface->pending.new_geometry.height = height;
}
static void
xdg_surface_set_maximized (struct wl_client *client,
struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_window_maximize (surface->window, META_MAXIMIZE_BOTH);
}
static void
xdg_surface_unset_maximized (struct wl_client *client,
struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_window_unmaximize (surface->window, META_MAXIMIZE_BOTH);
}
static void
xdg_surface_set_fullscreen (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *output_resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_window_make_fullscreen (surface->window);
}
static void
xdg_surface_unset_fullscreen (struct wl_client *client,
struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_window_unmake_fullscreen (surface->window);
}
static void
xdg_surface_set_minimized (struct wl_client *client,
struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_window_minimize (surface->window);
}
static const struct xdg_surface_interface meta_wayland_xdg_surface_interface = {
xdg_surface_destroy,
xdg_surface_set_parent,
xdg_surface_set_title,
xdg_surface_set_app_id,
xdg_surface_show_window_menu,
xdg_surface_move,
xdg_surface_resize,
xdg_surface_ack_configure,
xdg_surface_set_window_geometry,
xdg_surface_set_maximized,
xdg_surface_unset_maximized,
xdg_surface_set_fullscreen,
xdg_surface_unset_fullscreen,
xdg_surface_set_minimized,
};
static void
xdg_shell_get_xdg_surface (struct wl_client *client,
struct wl_resource *resource,
guint32 id,
struct wl_resource *surface_resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource);
MetaWindow *window;
if (surface->xdg_surface != NULL)
{
wl_resource_post_error (surface_resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"xdg_shell::get_xdg_surface already requested");
return;
}
if (meta_wayland_surface_set_role (surface,
META_WAYLAND_SURFACE_ROLE_XDG_SURFACE,
surface_resource,
XDG_SHELL_ERROR_ROLE) != 0)
return;
surface->xdg_surface = wl_resource_create (client, &xdg_surface_interface, wl_resource_get_version (resource), id);
wl_resource_set_implementation (surface->xdg_surface, &meta_wayland_xdg_surface_interface, surface, xdg_surface_destructor);
surface->xdg_shell_resource = resource;
window = meta_window_wayland_new (meta_get_display (), surface);
meta_wayland_surface_set_window (surface, window);
}
static void
xdg_popup_destructor (struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_wayland_compositor_destroy_frame_callbacks (surface->compositor,
surface);
if (surface->popup.parent)
{
wl_list_remove (&surface->popup.parent_destroy_listener.link);
surface->popup.parent = NULL;
}
if (surface->popup.popup)
meta_wayland_popup_dismiss (surface->popup.popup);
surface->xdg_popup = NULL;
}
static void
xdg_popup_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static const struct xdg_popup_interface meta_wayland_xdg_popup_interface = {
xdg_popup_destroy,
};
static void
handle_popup_parent_destroyed (struct wl_listener *listener, void *data)
{
MetaWaylandSurface *surface =
wl_container_of (listener, surface, popup.parent_destroy_listener);
wl_resource_post_error (surface->xdg_popup,
XDG_POPUP_ERROR_NOT_THE_TOPMOST_POPUP,
"destroyed popup not top most popup");
surface->popup.parent = NULL;
destroy_window (surface);
}
static void
handle_popup_destroyed (struct wl_listener *listener, void *data)
{
MetaWaylandPopup *popup = data;
MetaWaylandSurface *top_popup;
MetaWaylandSurface *surface =
wl_container_of (listener, surface, popup.destroy_listener);
top_popup = meta_wayland_popup_get_top_popup (popup);
if (surface != top_popup)
{
wl_resource_post_error (surface->xdg_popup,
XDG_POPUP_ERROR_NOT_THE_TOPMOST_POPUP,
"destroyed popup not top most popup");
}
surface->popup.popup = NULL;
destroy_window (surface);
}
static void
xdg_shell_get_xdg_popup (struct wl_client *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 wl_resource *popup_resource;
MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource);
MetaWaylandSurface *parent_surf = wl_resource_get_user_data (parent_resource);
MetaWaylandSurface *top_popup;
MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource);
MetaWindow *window;
MetaDisplay *display = meta_get_display ();
MetaWaylandPopup *popup;
if (surface->xdg_popup != NULL)
{
wl_resource_post_error (surface_resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"xdg_shell::get_xdg_popup already requested");
return;
}
if (meta_wayland_surface_set_role (surface,
META_WAYLAND_SURFACE_ROLE_XDG_POPUP,
surface_resource,
XDG_SHELL_ERROR_ROLE) != 0)
return;
if (parent_surf == NULL ||
parent_surf->window == NULL ||
(parent_surf->xdg_popup == NULL && parent_surf->xdg_surface == NULL))
{
wl_resource_post_error (resource,
XDG_POPUP_ERROR_INVALID_PARENT,
"invalid parent surface");
return;
}
top_popup = meta_wayland_pointer_get_top_popup (&seat->pointer);
if ((top_popup == NULL && parent_surf->xdg_surface == NULL) ||
(top_popup != NULL && parent_surf != top_popup))
{
wl_resource_post_error (resource,
XDG_POPUP_ERROR_NOT_THE_TOPMOST_POPUP,
"parent not top most surface");
return;
}
popup_resource = wl_resource_create (client, &xdg_popup_interface,
wl_resource_get_version (resource), id);
wl_resource_set_implementation (popup_resource,
&meta_wayland_xdg_popup_interface,
surface,
xdg_popup_destructor);
if (!meta_wayland_pointer_can_popup (&seat->pointer, serial))
{
xdg_popup_send_popup_done (popup_resource);
return;
}
surface->xdg_popup = popup_resource;
surface->xdg_shell_resource = resource;
surface->popup.parent = parent_surf;
surface->popup.parent_destroy_listener.notify = handle_popup_parent_destroyed;
wl_resource_add_destroy_listener (parent_surf->resource,
&surface->popup.parent_destroy_listener);
window = meta_window_wayland_new (display, surface);
meta_window_wayland_place_relative_to (window, parent_surf->window, x, y);
window->showing_for_first_time = FALSE;
meta_wayland_surface_set_window (surface, window);
meta_window_focus (window, meta_display_get_current_time (display));
popup = meta_wayland_pointer_start_popup_grab (&seat->pointer, surface);
if (popup == NULL)
{
destroy_window (surface);
return;
}
surface->popup.destroy_listener.notify = handle_popup_destroyed;
surface->popup.popup = popup;
wl_signal_add (meta_wayland_popup_get_destroy_signal (popup),
&surface->popup.destroy_listener);
}
static const struct xdg_shell_interface meta_wayland_xdg_shell_interface = {
xdg_shell_destroy,
xdg_shell_use_unstable_version,
xdg_shell_get_xdg_surface,
xdg_shell_get_xdg_popup,
xdg_shell_pong,
};
static void
bind_xdg_shell (struct wl_client *client,
void *data,
guint32 version,
guint32 id)
{
struct wl_resource *resource;
if (version != META_XDG_SHELL_VERSION)
{
g_warning ("using xdg-shell without stable version %d\n", META_XDG_SHELL_VERSION);
return;
}
resource = wl_resource_create (client, &xdg_shell_interface, version, id);
wl_resource_set_implementation (resource, &meta_wayland_xdg_shell_interface, data, NULL);
}
static void
wl_shell_surface_destructor (struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_wayland_compositor_destroy_frame_callbacks (surface->compositor,
surface);
surface->wl_shell_surface = NULL;
}
static void
wl_shell_surface_pong (struct wl_client *client,
struct wl_resource *resource,
uint32_t serial)
{
MetaDisplay *display = meta_get_display ();
meta_display_pong_for_serial (display, serial);
}
static void
wl_shell_surface_move (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *seat_resource,
uint32_t serial)
{
MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource);
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
gfloat x, y;
if (!meta_wayland_seat_get_grab_info (seat, surface, serial, &x, &y))
return;
begin_grab_op_on_surface (surface, seat, META_GRAB_OP_MOVING, x, y);
}
static MetaGrabOp
grab_op_for_wl_shell_surface_resize_edge (int edge)
{
MetaGrabOp op = META_GRAB_OP_WINDOW_BASE;
if (edge & WL_SHELL_SURFACE_RESIZE_TOP)
op |= META_GRAB_OP_WINDOW_DIR_NORTH;
if (edge & WL_SHELL_SURFACE_RESIZE_BOTTOM)
op |= META_GRAB_OP_WINDOW_DIR_SOUTH;
if (edge & WL_SHELL_SURFACE_RESIZE_LEFT)
op |= META_GRAB_OP_WINDOW_DIR_WEST;
if (edge & WL_SHELL_SURFACE_RESIZE_RIGHT)
op |= META_GRAB_OP_WINDOW_DIR_EAST;
if (op == META_GRAB_OP_WINDOW_BASE)
{
g_warning ("invalid edge: %d", edge);
return META_GRAB_OP_NONE;
}
return op;
}
static void
wl_shell_surface_resize (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *seat_resource,
uint32_t serial,
uint32_t edges)
{
MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource);
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
gfloat x, y;
if (!meta_wayland_seat_get_grab_info (seat, surface, serial, &x, &y))
return;
begin_grab_op_on_surface (surface, seat, grab_op_for_wl_shell_surface_resize_edge (edges), x, y);
}
typedef enum {
SURFACE_STATE_TOPLEVEL,
SURFACE_STATE_FULLSCREEN,
SURFACE_STATE_MAXIMIZED,
} SurfaceState;
static void
wl_shell_surface_set_state (MetaWaylandSurface *surface,
SurfaceState state)
{
if (state == SURFACE_STATE_FULLSCREEN)
meta_window_make_fullscreen (surface->window);
else
meta_window_unmake_fullscreen (surface->window);
if (state == SURFACE_STATE_MAXIMIZED)
meta_window_maximize (surface->window, META_MAXIMIZE_BOTH);
else
meta_window_unmaximize (surface->window, META_MAXIMIZE_BOTH);
}
static void
wl_shell_surface_set_toplevel (struct wl_client *client,
struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
wl_shell_surface_set_state (surface, SURFACE_STATE_TOPLEVEL);
}
static void
wl_shell_surface_set_transient (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *parent_resource,
int32_t x,
int32_t y,
uint32_t flags)
{
MetaWaylandSurface *parent_surf = wl_resource_get_user_data (parent_resource);
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
wl_shell_surface_set_state (surface, SURFACE_STATE_TOPLEVEL);
meta_window_set_transient_for (surface->window, parent_surf->window);
meta_window_wayland_place_relative_to (surface->window,
parent_surf->window,
x, y);
}
static void
wl_shell_surface_set_fullscreen (struct wl_client *client,
struct wl_resource *resource,
uint32_t method,
uint32_t framerate,
struct wl_resource *output)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
wl_shell_surface_set_state (surface, SURFACE_STATE_FULLSCREEN);
}
static void
handle_wl_shell_popup_parent_destroyed (struct wl_listener *listener,
void *data)
{
MetaWaylandSurface *surface =
wl_container_of (listener, surface, popup.parent_destroy_listener);
wl_list_remove (&surface->popup.parent_destroy_listener.link);
surface->popup.parent = NULL;
}
static void
wl_shell_surface_set_popup (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *seat_resource,
uint32_t serial,
struct wl_resource *parent_resource,
int32_t x,
int32_t y,
uint32_t flags)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
MetaWaylandSurface *parent_surf = wl_resource_get_user_data (parent_resource);
MetaWaylandSeat *seat = wl_resource_get_user_data (seat_resource);
wl_shell_surface_set_state (surface, SURFACE_STATE_TOPLEVEL);
if (!meta_wayland_pointer_can_popup (&seat->pointer, serial))
{
wl_shell_surface_send_popup_done (resource);
return;
}
meta_window_set_transient_for (surface->window, parent_surf->window);
meta_window_wayland_place_relative_to (surface->window,
parent_surf->window,
x, y);
if (!surface->popup.parent)
{
surface->popup.parent = parent_surf;
surface->popup.parent_destroy_listener.notify =
handle_wl_shell_popup_parent_destroyed;
wl_resource_add_destroy_listener (parent_surf->resource,
&surface->popup.parent_destroy_listener);
}
meta_wayland_pointer_start_popup_grab (&seat->pointer, surface);
}
static void
wl_shell_surface_set_maximized (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *output)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
wl_shell_surface_set_state (surface, SURFACE_STATE_MAXIMIZED);
}
static void
wl_shell_surface_set_title (struct wl_client *client,
struct wl_resource *resource,
const char *title)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_window_set_title (surface->window, title);
}
static void
wl_shell_surface_set_class (struct wl_client *client,
struct wl_resource *resource,
const char *class_)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_window_set_wm_class (surface->window, class_, class_);
}
static const struct wl_shell_surface_interface meta_wayland_wl_shell_surface_interface = {
wl_shell_surface_pong,
wl_shell_surface_move,
wl_shell_surface_resize,
wl_shell_surface_set_toplevel,
wl_shell_surface_set_transient,
wl_shell_surface_set_fullscreen,
wl_shell_surface_set_popup,
wl_shell_surface_set_maximized,
wl_shell_surface_set_title,
wl_shell_surface_set_class,
};
static void
wl_shell_get_shell_surface (struct wl_client *client,
struct wl_resource *resource,
uint32_t id,
struct wl_resource *surface_resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource);
MetaWindow *window;
if (surface->wl_shell_surface != NULL)
{
wl_resource_post_error (surface_resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"wl_shell::get_shell_surface already requested");
return;
}
if (meta_wayland_surface_set_role (surface,
META_WAYLAND_SURFACE_ROLE_WL_SHELL_SURFACE,
surface_resource,
WL_SHELL_ERROR_ROLE) != 0)
return;
surface->wl_shell_surface = wl_resource_create (client, &wl_shell_surface_interface, wl_resource_get_version (resource), id);
wl_resource_set_implementation (surface->wl_shell_surface, &meta_wayland_wl_shell_surface_interface, surface, wl_shell_surface_destructor);
window = meta_window_wayland_new (meta_get_display (), surface);
meta_wayland_surface_set_window (surface, window);
}
static const struct wl_shell_interface meta_wayland_wl_shell_interface = {
wl_shell_get_shell_surface,
};
static void
bind_wl_shell (struct wl_client *client,
void *data,
uint32_t version,
uint32_t id)
{
struct wl_resource *resource;
resource = wl_resource_create (client, &wl_shell_interface, version, id);
wl_resource_set_implementation (resource, &meta_wayland_wl_shell_interface, data, NULL);
}
static void
gtk_surface_destructor (struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
surface->gtk_surface = NULL;
}
static void
gtk_surface_set_dbus_properties (struct wl_client *client,
struct wl_resource *resource,
const char *application_id,
const char *app_menu_path,
const char *menubar_path,
const char *window_object_path,
const char *application_object_path,
const char *unique_bus_name)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
/* Broken client, let it die instead of us */
if (!surface->window)
{
meta_warning ("meta-wayland-surface: set_dbus_properties called with invalid window!\n");
return;
}
meta_window_set_gtk_dbus_properties (surface->window,
application_id,
unique_bus_name,
app_menu_path,
menubar_path,
application_object_path,
window_object_path);
}
static void
gtk_surface_set_modal (struct wl_client *client,
struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
if (surface->is_modal)
return;
surface->is_modal = TRUE;
meta_window_set_type (surface->window, META_WINDOW_MODAL_DIALOG);
}
static void
gtk_surface_unset_modal (struct wl_client *client,
struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
if (!surface->is_modal)
return;
surface->is_modal = FALSE;
meta_window_set_type (surface->window, META_WINDOW_NORMAL);
}
static const struct gtk_surface_interface meta_wayland_gtk_surface_interface = {
gtk_surface_set_dbus_properties,
gtk_surface_set_modal,
gtk_surface_unset_modal,
};
static void
get_gtk_surface (struct wl_client *client,
struct wl_resource *resource,
guint32 id,
struct wl_resource *surface_resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource);
if (surface->gtk_surface != NULL)
{
wl_resource_post_error (surface_resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"gtk_shell::get_gtk_surface already requested");
return;
}
surface->gtk_surface = wl_resource_create (client, &gtk_surface_interface, wl_resource_get_version (resource), id);
wl_resource_set_implementation (surface->gtk_surface, &meta_wayland_gtk_surface_interface, surface, gtk_surface_destructor);
}
static const struct gtk_shell_interface meta_wayland_gtk_shell_interface = {
get_gtk_surface
};
static void
bind_gtk_shell (struct wl_client *client,
void *data,
guint32 version,
guint32 id)
{
struct wl_resource *resource;
uint32_t capabilities = 0;
resource = wl_resource_create (client, &gtk_shell_interface, version, id);
if (version != META_GTK_SHELL_VERSION)
{
wl_resource_post_error (resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"Incompatible gtk-shell version "
"(supported version: %d)",
META_GTK_SHELL_VERSION);
return;
}
wl_resource_set_implementation (resource, &meta_wayland_gtk_shell_interface, data, NULL);
if (!meta_prefs_get_show_fallback_app_menu ())
capabilities = GTK_SHELL_CAPABILITY_GLOBAL_APP_MENU;
gtk_shell_send_capabilities (resource, capabilities);
}
static void
unparent_actor (MetaWaylandSurface *surface)
{
ClutterActor *parent_actor;
parent_actor = clutter_actor_get_parent (CLUTTER_ACTOR (surface->surface_actor));
clutter_actor_remove_child (parent_actor, CLUTTER_ACTOR (surface->surface_actor));
}
static void
wl_subsurface_destructor (struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
meta_wayland_compositor_destroy_frame_callbacks (surface->compositor,
surface);
if (surface->sub.parent)
{
wl_list_remove (&surface->sub.parent_destroy_listener.link);
surface->sub.parent->subsurfaces =
g_list_remove (surface->sub.parent->subsurfaces, surface);
unparent_actor (surface);
surface->sub.parent = NULL;
}
pending_state_destroy (&surface->sub.pending);
surface->wl_subsurface = NULL;
}
static void
wl_subsurface_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static void
wl_subsurface_set_position (struct wl_client *client,
struct wl_resource *resource,
int32_t x,
int32_t y)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
surface->sub.pending_x = x;
surface->sub.pending_y = y;
surface->sub.pending_pos = TRUE;
}
static gboolean
is_valid_sibling (MetaWaylandSurface *surface, MetaWaylandSurface *sibling)
{
if (surface->sub.parent == sibling)
return TRUE;
if (surface->sub.parent == sibling->sub.parent)
return TRUE;
return FALSE;
}
static void
subsurface_handle_pending_sibling_destroyed (struct wl_listener *listener, void *data)
{
MetaWaylandSubsurfacePlacementOp *op =
wl_container_of (listener, op, sibling_destroy_listener);
op->sibling = NULL;
}
static void
queue_subsurface_placement (MetaWaylandSurface *surface,
MetaWaylandSurface *sibling,
MetaWaylandSubsurfacePlacement placement)
{
MetaWaylandSubsurfacePlacementOp *op =
g_slice_new (MetaWaylandSubsurfacePlacementOp);
op->placement = placement;
op->sibling = sibling;
op->sibling_destroy_listener.notify =
subsurface_handle_pending_sibling_destroyed;
wl_resource_add_destroy_listener (sibling->resource,
&op->sibling_destroy_listener);
surface->sub.pending_placement_ops =
g_slist_append (surface->sub.pending_placement_ops, op);
}
static void
wl_subsurface_place_above (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *sibling_resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
MetaWaylandSurface *sibling = wl_resource_get_user_data (sibling_resource);
if (!is_valid_sibling (surface, sibling))
{
wl_resource_post_error (resource, WL_SUBSURFACE_ERROR_BAD_SURFACE,
"wl_subsurface::place_above: wl_surface@%d is "
"not a valid parent or sibling",
wl_resource_get_id (sibling->resource));
return;
}
queue_subsurface_placement (surface,
sibling,
META_WAYLAND_SUBSURFACE_PLACEMENT_ABOVE);
}
static void
wl_subsurface_place_below (struct wl_client *client,
struct wl_resource *resource,
struct wl_resource *sibling_resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
MetaWaylandSurface *sibling = wl_resource_get_user_data (sibling_resource);
if (!is_valid_sibling (surface, sibling))
{
wl_resource_post_error (resource, WL_SUBSURFACE_ERROR_BAD_SURFACE,
"wl_subsurface::place_below: wl_surface@%d is "
"not a valid parent or sibling",
wl_resource_get_id (sibling->resource));
return;
}
queue_subsurface_placement (surface,
sibling,
META_WAYLAND_SUBSURFACE_PLACEMENT_BELOW);
}
static void
wl_subsurface_set_sync (struct wl_client *client,
struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
surface->sub.synchronous = TRUE;
}
static void
wl_subsurface_set_desync (struct wl_client *client,
struct wl_resource *resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (resource);
gboolean was_effectively_synchronized;
was_effectively_synchronized = is_surface_effectively_synchronized (surface);
surface->sub.synchronous = FALSE;
if (was_effectively_synchronized &&
!is_surface_effectively_synchronized (surface))
apply_pending_state (surface, &surface->sub.pending);
}
static const struct wl_subsurface_interface meta_wayland_wl_subsurface_interface = {
wl_subsurface_destroy,
wl_subsurface_set_position,
wl_subsurface_place_above,
wl_subsurface_place_below,
wl_subsurface_set_sync,
wl_subsurface_set_desync,
};
static void
wl_subcompositor_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static void
surface_handle_parent_surface_destroyed (struct wl_listener *listener,
void *data)
{
MetaWaylandSurface *surface = wl_container_of (listener,
surface,
sub.parent_destroy_listener);
surface->sub.parent = NULL;
unparent_actor (surface);
}
static void
wl_subcompositor_get_subsurface (struct wl_client *client,
struct wl_resource *resource,
guint32 id,
struct wl_resource *surface_resource,
struct wl_resource *parent_resource)
{
MetaWaylandSurface *surface = wl_resource_get_user_data (surface_resource);
MetaWaylandSurface *parent = wl_resource_get_user_data (parent_resource);
if (surface->wl_subsurface != NULL)
{
wl_resource_post_error (surface_resource,
WL_DISPLAY_ERROR_INVALID_OBJECT,
"wl_subcompositor::get_subsurface already requested");
return;
}
if (meta_wayland_surface_set_role (surface,
META_WAYLAND_SURFACE_ROLE_SUBSURFACE,
surface_resource,
WL_SHELL_ERROR_ROLE) != 0)
return;
surface->wl_subsurface = wl_resource_create (client, &wl_subsurface_interface, wl_resource_get_version (resource), id);
wl_resource_set_implementation (surface->wl_subsurface, &meta_wayland_wl_subsurface_interface, surface, wl_subsurface_destructor);
pending_state_init (&surface->sub.pending);
surface->sub.synchronous = TRUE;
surface->sub.parent = parent;
surface->sub.parent_destroy_listener.notify = surface_handle_parent_surface_destroyed;
wl_resource_add_destroy_listener (parent->resource, &surface->sub.parent_destroy_listener);
parent->subsurfaces = g_list_append (parent->subsurfaces, surface);
clutter_actor_add_child (CLUTTER_ACTOR (parent->surface_actor),
CLUTTER_ACTOR (surface->surface_actor));
sync_reactive (surface);
}
static const struct wl_subcompositor_interface meta_wayland_subcompositor_interface = {
wl_subcompositor_destroy,
wl_subcompositor_get_subsurface,
};
static void
bind_subcompositor (struct wl_client *client,
void *data,
guint32 version,
guint32 id)
{
struct wl_resource *resource;
resource = wl_resource_create (client, &wl_subcompositor_interface, version, id);
wl_resource_set_implementation (resource, &meta_wayland_subcompositor_interface, data, NULL);
}
void
meta_wayland_shell_init (MetaWaylandCompositor *compositor)
{
if (wl_global_create (compositor->wayland_display,
&xdg_shell_interface,
META_XDG_SHELL_VERSION,
compositor, bind_xdg_shell) == NULL)
g_error ("Failed to register a global xdg-shell object");
if (wl_global_create (compositor->wayland_display,
&wl_shell_interface,
META_WL_SHELL_VERSION,
compositor, bind_wl_shell) == NULL)
g_error ("Failed to register a global wl-shell object");
if (wl_global_create (compositor->wayland_display,
&gtk_shell_interface,
META_GTK_SHELL_VERSION,
compositor, bind_gtk_shell) == NULL)
g_error ("Failed to register a global gtk-shell object");
if (wl_global_create (compositor->wayland_display,
&wl_subcompositor_interface,
META_WL_SUBCOMPOSITOR_VERSION,
compositor, bind_subcompositor) == NULL)
g_error ("Failed to register a global wl-subcompositor object");
}
static void
fill_states (struct wl_array *states, MetaWindow *window)
{
uint32_t *s;
if (META_WINDOW_MAXIMIZED (window))
{
s = wl_array_add (states, sizeof *s);
*s = XDG_SURFACE_STATE_MAXIMIZED;
}
if (meta_window_is_fullscreen (window))
{
s = wl_array_add (states, sizeof *s);
*s = XDG_SURFACE_STATE_FULLSCREEN;
}
if (meta_grab_op_is_resizing (window->display->grab_op))
{
s = wl_array_add (states, sizeof *s);
*s = XDG_SURFACE_STATE_RESIZING;
}
if (meta_window_appears_focused (window))
{
s = wl_array_add (states, sizeof *s);
*s = XDG_SURFACE_STATE_ACTIVATED;
}
}
void
meta_wayland_surface_configure_notify (MetaWaylandSurface *surface,
int new_width,
int new_height,
MetaWaylandSerial *sent_serial)
{
if (surface->xdg_surface)
{
struct wl_client *client = wl_resource_get_client (surface->xdg_surface);
struct wl_display *display = wl_client_get_display (client);
uint32_t serial = wl_display_next_serial (display);
struct wl_array states;
wl_array_init (&states);
fill_states (&states, surface->window);
xdg_surface_send_configure (surface->xdg_surface, new_width, new_height, &states, serial);
wl_array_release (&states);
if (sent_serial)
{
sent_serial->set = TRUE;
sent_serial->value = serial;
}
}
else if (surface->xdg_popup)
{
/* This can happen if the popup window loses or receives focus.
* Just ignore it. */
}
else if (surface->wl_shell_surface)
wl_shell_surface_send_configure (surface->wl_shell_surface,
0, new_width, new_height);
else
g_assert_not_reached ();
}
void
meta_wayland_surface_ping (MetaWaylandSurface *surface,
guint32 serial)
{
if (surface->xdg_shell_resource)
xdg_shell_send_ping (surface->xdg_shell_resource, serial);
else if (surface->wl_shell_surface)
wl_shell_surface_send_ping (surface->wl_shell_surface, serial);
}
void
meta_wayland_surface_delete (MetaWaylandSurface *surface)
{
if (surface->xdg_surface)
xdg_surface_send_close (surface->xdg_surface);
}
void
meta_wayland_surface_popup_done (MetaWaylandSurface *surface)
{
if (surface->xdg_popup)
xdg_popup_send_popup_done (surface->xdg_popup);
else if (surface->wl_shell_surface)
wl_shell_surface_send_popup_done (surface->wl_shell_surface);
}
void
meta_wayland_surface_drag_dest_focus_in (MetaWaylandSurface *surface,
MetaWaylandDataOffer *offer)
{
MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
MetaWaylandDataDevice *data_device = &compositor->seat->data_device;
surface->dnd.funcs->focus_in (data_device, surface, offer);
}
void
meta_wayland_surface_drag_dest_motion (MetaWaylandSurface *surface,
const ClutterEvent *event)
{
MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
MetaWaylandDataDevice *data_device = &compositor->seat->data_device;
surface->dnd.funcs->motion (data_device, surface, event);
}
void
meta_wayland_surface_drag_dest_focus_out (MetaWaylandSurface *surface)
{
MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
MetaWaylandDataDevice *data_device = &compositor->seat->data_device;
surface->dnd.funcs->focus_out (data_device, surface);
}
void
meta_wayland_surface_drag_dest_drop (MetaWaylandSurface *surface)
{
MetaWaylandCompositor *compositor = meta_wayland_compositor_get_default ();
MetaWaylandDataDevice *data_device = &compositor->seat->data_device;
surface->dnd.funcs->drop (data_device, surface);
}
MetaWindow *
meta_wayland_surface_get_toplevel_window (MetaWaylandSurface *surface)
{
while (surface)
{
if (surface->window)
{
if (surface->popup.parent)
surface = surface->popup.parent;
else
return surface->window;
}
else
surface = surface->sub.parent;
}
return NULL;
}
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