mutter/clutter/wayland/clutter-stage-wayland.c

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/*
* Clutter.
*
* An OpenGL based 'interactive canvas' library.
*
* Copyright (C) 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/>.
* Authors:
* Matthew Allum
* Robert Bragg
* Kristian Høgsberg
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <glib.h>
#include "clutter-wayland.h"
#include "clutter-stage-wayland.h"
#include "clutter-backend-wayland.h"
#include "clutter-backend-wayland-priv.h"
#include "clutter-stage-window.h"
#include "clutter-stage-private.h"
#include "clutter-event-private.h"
#include "clutter-wayland.h"
#include <cogl/cogl.h>
#include <cogl/cogl-wayland-client.h>
static ClutterStageWindowIface *clutter_stage_window_parent_iface = NULL;
static void clutter_stage_window_iface_init (ClutterStageWindowIface *iface);
#define clutter_stage_wayland_get_type _clutter_stage_wayland_get_type
G_DEFINE_TYPE_WITH_CODE (ClutterStageWayland,
clutter_stage_wayland,
CLUTTER_TYPE_STAGE_COGL,
G_IMPLEMENT_INTERFACE (CLUTTER_TYPE_STAGE_WINDOW,
clutter_stage_window_iface_init));
static void
handle_ping (void *data,
struct wl_shell_surface *shell_surface,
uint32_t serial)
{
wl_shell_surface_pong(shell_surface, serial);
}
static void
handle_configure (void *data,
struct wl_shell_surface *shell_surface,
uint32_t edges,
int32_t width,
int32_t height)
{
ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL(data);
CoglFramebuffer *fb = COGL_FRAMEBUFFER (stage_cogl->onscreen);
if (cogl_framebuffer_get_width (fb) != width ||
cogl_framebuffer_get_height (fb) != height)
clutter_actor_queue_relayout (CLUTTER_ACTOR (stage_cogl->wrapper));
clutter_actor_set_size (CLUTTER_ACTOR (stage_cogl->wrapper),
width, height);
/* the resize process is complete, so we can ask the stage
* to set up the GL viewport with the new size
*/
clutter_stage_ensure_viewport (stage_cogl->wrapper);
}
static void
handle_popup_done (void *data,
struct wl_shell_surface *shell_surface)
{
/* XXX: Fill me in. */
}
static const struct wl_shell_surface_listener shell_surface_listener = {
handle_ping,
handle_configure,
handle_popup_done,
};
static void
clutter_stage_wayland_set_fullscreen (ClutterStageWindow *stage_window,
gboolean fullscreen);
static gboolean
clutter_stage_wayland_realize (ClutterStageWindow *stage_window)
{
ClutterStageWayland *stage_wayland = CLUTTER_STAGE_WAYLAND (stage_window);
ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_window);
struct wl_surface *wl_surface;
struct wl_shell_surface *wl_shell_surface;
clutter_stage_window_parent_iface->realize (stage_window);
wl_surface = cogl_wayland_onscreen_get_surface (stage_cogl->onscreen);
wl_surface_set_user_data (wl_surface, stage_wayland);
stage_wayland->wayland_surface = wl_surface;
if (!stage_wayland->foreign_wl_surface)
{
wl_shell_surface =
cogl_wayland_onscreen_get_shell_surface (stage_cogl->onscreen);
wl_shell_surface_add_listener (wl_shell_surface,
&shell_surface_listener,
stage_wayland);
stage_wayland->wayland_shell_surface = wl_shell_surface;
}
if (stage_wayland->fullscreen)
clutter_stage_wayland_set_fullscreen (stage_window, TRUE);
return TRUE;
}
static void
clutter_stage_wayland_show (ClutterStageWindow *stage_window,
gboolean do_raise)
{
ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_window);
ClutterStageWayland *stage_wayland = CLUTTER_STAGE_WAYLAND (stage_window);
clutter_stage_window_parent_iface->show (stage_window, do_raise);
if (stage_wayland->wayland_shell_surface)
wl_shell_surface_set_toplevel (stage_wayland->wayland_shell_surface);
stage_wayland->shown = TRUE;
/* We need to queue a redraw after the stage is shown because all of
* the other queue redraws up to this point will have been ignored
* because the actor was not visible. The other backends do not need
* to do this because they will get expose events at some point, but
* that does not happen for Wayland. */
clutter_actor_queue_redraw (CLUTTER_ACTOR (stage_cogl->wrapper));
}
static void
clutter_stage_wayland_set_fullscreen (ClutterStageWindow *stage_window,
gboolean fullscreen)
{
ClutterStageWayland *stage_wayland = CLUTTER_STAGE_WAYLAND (stage_window);
ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_window);
ClutterBackend *backend = CLUTTER_BACKEND (stage_cogl->backend);
ClutterBackendWayland *backend_wayland = CLUTTER_BACKEND_WAYLAND (backend);
ClutterActor *stage = _clutter_stage_window_get_wrapper (stage_window);
stage_wayland->fullscreen = fullscreen;
if (!stage_wayland->wayland_shell_surface)
return;
if (fullscreen)
{
_clutter_stage_update_state (stage_cogl->wrapper,
0,
CLUTTER_STAGE_STATE_FULLSCREEN);
/* FIXME: In future versions of the Wayland protocol we'll get a
* configure with the dimensions we can use - but for now we have to
* use the dimensions from the output's mode
*/
clutter_actor_set_size (stage,
backend_wayland->output_width,
backend_wayland->output_height);
/* FIXME: And we must force a redraw so that new sized buffer gets
* attached
*/
_clutter_stage_window_redraw (stage_window);
wl_shell_surface_set_fullscreen (stage_wayland->wayland_shell_surface,
WL_SHELL_SURFACE_FULLSCREEN_METHOD_DEFAULT,
0,
NULL);
}
else
{
_clutter_stage_update_state (stage_cogl->wrapper,
CLUTTER_STAGE_STATE_FULLSCREEN,
0);
wl_shell_surface_set_toplevel (stage_wayland->wayland_shell_surface);
}
}
static void
clutter_stage_wayland_resize (ClutterStageWindow *stage_window,
gint width,
gint height)
{
ClutterStageCogl *stage_cogl = CLUTTER_STAGE_COGL (stage_window);
ClutterStageWayland *stage_wayland = CLUTTER_STAGE_WAYLAND (stage_window);
/* Resize preserving top left */
if (stage_cogl->onscreen)
{
cogl_wayland_onscreen_resize (stage_cogl->onscreen, width, height, 0, 0);
/* Only trigger a redraw if the stage window has been shown */
if (stage_wayland->shown)
_clutter_stage_window_redraw (stage_window);
}
}
static void
clutter_stage_wayland_init (ClutterStageWayland *stage_wayland)
{
}
static void
clutter_stage_window_iface_init (ClutterStageWindowIface *iface)
{
clutter_stage_window_parent_iface = g_type_interface_peek_parent (iface);
iface->realize = clutter_stage_wayland_realize;
iface->show = clutter_stage_wayland_show;
iface->set_fullscreen = clutter_stage_wayland_set_fullscreen;
iface->resize = clutter_stage_wayland_resize;
}
static void
clutter_stage_wayland_class_init (ClutterStageWaylandClass *klass)
{
}
/**
* clutter_wayland_stage_get_wl_shell_surface: (skip)
* @stage: a #ClutterStage
*
* Access the underlying data structure representing the shell surface that is
* backing the #ClutterStage
*
* Note: this function can only be called when running on the Wayland
* platform. Calling this function at any other time will return %NULL.
*
* Returns: (transfer none): the Wayland shell surface associated with
* @stage
*
* Since: 1.10
*/
struct wl_shell_surface *
clutter_wayland_stage_get_wl_shell_surface (ClutterStage *stage)
{
ClutterStageWindow *stage_window = _clutter_stage_get_window (stage);
ClutterStageWayland *stage_wayland;
if (!CLUTTER_IS_STAGE_WAYLAND (stage_window))
return NULL;
stage_wayland = CLUTTER_STAGE_WAYLAND (stage_window);
return stage_wayland->wayland_shell_surface;
}
/**
* clutter_wayland_stage_get_wl_surface: (skip)
* @stage: a #ClutterStage
*
* Access the underlying data structure representing the surface that is
* backing the #ClutterStage
*
* Note: this function can only be called when running on the Wayland
* platform. Calling this function at any other time will return %NULL.
*
* Returns: (transfer none): the Wayland surface associated with @stage
*
* Since: 1.10
*/
struct wl_surface *
clutter_wayland_stage_get_wl_surface (ClutterStage *stage)
{
ClutterStageWindow *stage_window = _clutter_stage_get_window (stage);
ClutterStageWayland *stage_wayland;
if (!CLUTTER_IS_STAGE_WAYLAND (stage_window))
return NULL;
stage_wayland = CLUTTER_STAGE_WAYLAND (stage_window);
return stage_wayland->wayland_surface;
}
/**
* clutter_wayland_stage_set_wl_surface:
* @stage: a #ClutterStage
* @surface: A Wayland surface to associate with the @stage.
*
* Allows you to explicitly provide an existing Wayland surface to associate
* with @stage, preventing Cogl from allocating a surface and shell surface for
* the stage automatically.
*
* This function must be called before @stage is shown.
*
* Note: this function can only be called when running on the Wayland
* platform. Calling this function at any other time has no effect.
*
* Since: 1.16
*/
void
clutter_wayland_stage_set_wl_surface (ClutterStage *stage,
struct wl_surface *surface)
{
ClutterStageWindow *stage_window = _clutter_stage_get_window (stage);
ClutterStageWayland *stage_wayland;
ClutterStageCogl *stage_cogl;
if (!CLUTTER_IS_STAGE_WAYLAND (stage_window))
return;
stage_cogl = CLUTTER_STAGE_COGL (stage_window);
if (stage_cogl->onscreen == NULL)
{
ClutterBackend *backend = clutter_get_default_backend ();
/* Use the same default dimensions as clutter_stage_cogl_realize() */
stage_cogl->onscreen = cogl_onscreen_new (backend->cogl_context,
800, 600);
cogl_wayland_onscreen_set_foreign_surface (stage_cogl->onscreen,
surface);
stage_wayland = CLUTTER_STAGE_WAYLAND (stage_window);
stage_wayland->foreign_wl_surface = TRUE;
}
else
g_warning (G_STRLOC ": cannot set foreign surface for stage");
}