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cinnamon-gtk-embed.c
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cinnamon-gtk-embed.c
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
#include "config.h"
#include "cinnamon-embedded-window-private.h"
#include <gdk/gdkx.h>
enum {
PROP_0,
PROP_WINDOW
};
struct _CinnamonGtkEmbedPrivate
{
CinnamonEmbeddedWindow *window;
};
G_DEFINE_TYPE (CinnamonGtkEmbed, cinnamon_gtk_embed, CLUTTER_X11_TYPE_TEXTURE_PIXMAP);
static void cinnamon_gtk_embed_set_window (CinnamonGtkEmbed *embed,
CinnamonEmbeddedWindow *window);
static void
cinnamon_gtk_embed_on_window_destroy (GtkWidget *object,
CinnamonGtkEmbed *embed)
{
cinnamon_gtk_embed_set_window (embed, NULL);
}
static void
cinnamon_gtk_embed_on_window_realize (GtkWidget *widget,
CinnamonGtkEmbed *embed)
{
/* Here automatic=FALSE means to use CompositeRedirectManual.
* That is, the X server shouldn't draw the window onto the
* screen.
*/
clutter_x11_texture_pixmap_set_window (CLUTTER_X11_TEXTURE_PIXMAP (embed),
gdk_x11_window_get_xid (gtk_widget_get_window (widget)),
FALSE);
}
static void
cinnamon_gtk_embed_set_window (CinnamonGtkEmbed *embed,
CinnamonEmbeddedWindow *window)
{
if (embed->priv->window)
{
_cinnamon_embedded_window_set_actor (embed->priv->window, NULL);
g_object_unref (embed->priv->window);
clutter_x11_texture_pixmap_set_window (CLUTTER_X11_TEXTURE_PIXMAP (embed),
None,
FALSE);
g_signal_handlers_disconnect_by_func (embed->priv->window,
(gpointer)cinnamon_gtk_embed_on_window_destroy,
embed);
g_signal_handlers_disconnect_by_func (embed->priv->window,
(gpointer)cinnamon_gtk_embed_on_window_realize,
embed);
}
embed->priv->window = window;
if (embed->priv->window)
{
g_object_ref (embed->priv->window);
_cinnamon_embedded_window_set_actor (embed->priv->window, embed);
g_signal_connect (embed->priv->window, "destroy",
G_CALLBACK (cinnamon_gtk_embed_on_window_destroy), embed);
g_signal_connect (embed->priv->window, "realize",
G_CALLBACK (cinnamon_gtk_embed_on_window_realize), embed);
if (gtk_widget_get_realized (GTK_WIDGET (window)))
cinnamon_gtk_embed_on_window_realize (GTK_WIDGET (embed->priv->window), embed);
}
clutter_actor_queue_relayout (CLUTTER_ACTOR (embed));
}
static void
cinnamon_gtk_embed_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
CinnamonGtkEmbed *embed = CINNAMON_GTK_EMBED (object);
switch (prop_id)
{
case PROP_WINDOW:
cinnamon_gtk_embed_set_window (embed, (CinnamonEmbeddedWindow *)g_value_get_object (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
cinnamon_gtk_embed_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
CinnamonGtkEmbed *embed = CINNAMON_GTK_EMBED (object);
switch (prop_id)
{
case PROP_WINDOW:
g_value_set_object (value, embed->priv->window);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
cinnamon_gtk_embed_get_preferred_width (ClutterActor *actor,
float for_height,
float *min_width_p,
float *natural_width_p)
{
CinnamonGtkEmbed *embed = CINNAMON_GTK_EMBED (actor);
if (embed->priv->window
&& gtk_widget_get_visible (GTK_WIDGET (embed->priv->window)))
{
GtkRequisition min_req, natural_req;
gtk_widget_get_preferred_size (GTK_WIDGET (embed->priv->window), &min_req, &natural_req);
*min_width_p = min_req.width;
*natural_width_p = natural_req.width;
}
else
*min_width_p = *natural_width_p = 0;
}
static void
cinnamon_gtk_embed_get_preferred_height (ClutterActor *actor,
float for_width,
float *min_height_p,
float *natural_height_p)
{
CinnamonGtkEmbed *embed = CINNAMON_GTK_EMBED (actor);
if (embed->priv->window
&& gtk_widget_get_visible (GTK_WIDGET (embed->priv->window)))
{
GtkRequisition min_req, natural_req;
gtk_widget_get_preferred_size (GTK_WIDGET (embed->priv->window), &min_req, &natural_req);
*min_height_p = min_req.height;
*natural_height_p = natural_req.height;
}
else
*min_height_p = *natural_height_p = 0;
}
static void
cinnamon_gtk_embed_allocate (ClutterActor *actor,
const ClutterActorBox *box,
ClutterAllocationFlags flags)
{
CinnamonGtkEmbed *embed = CINNAMON_GTK_EMBED (actor);
float wx = 0.0, wy = 0.0, x, y, ax, ay;
CLUTTER_ACTOR_CLASS (cinnamon_gtk_embed_parent_class)->
allocate (actor, box, flags);
/* Find the actor's new coordinates in terms of the stage (which is
* priv->window's parent window.
*/
while (actor)
{
clutter_actor_get_position (actor, &x, &y);
clutter_actor_get_anchor_point (actor, &ax, &ay);
wx += x - ax;
wy += y - ay;
actor = clutter_actor_get_parent (actor);
}
_cinnamon_embedded_window_allocate (embed->priv->window,
(int)(0.5 + wx), (int)(0.5 + wy),
box->x2 - box->x1,
box->y2 - box->y1);
}
static void
cinnamon_gtk_embed_realize (ClutterActor *actor)
{
CinnamonGtkEmbed *embed = CINNAMON_GTK_EMBED (actor);
_cinnamon_embedded_window_realize (embed->priv->window);
CLUTTER_ACTOR_CLASS (cinnamon_gtk_embed_parent_class)->realize (actor);
}
static void
cinnamon_gtk_embed_unrealize (ClutterActor *actor)
{
CinnamonGtkEmbed *embed = CINNAMON_GTK_EMBED (actor);
_cinnamon_embedded_window_unrealize (embed->priv->window);
CLUTTER_ACTOR_CLASS (cinnamon_gtk_embed_parent_class)->unrealize (actor);
}
static void
cinnamon_gtk_embed_dispose (GObject *object)
{
CinnamonGtkEmbed *embed = CINNAMON_GTK_EMBED (object);
cinnamon_gtk_embed_set_window (embed, NULL);
G_OBJECT_CLASS (cinnamon_gtk_embed_parent_class)->dispose (object);
}
static void
cinnamon_gtk_embed_class_init (CinnamonGtkEmbedClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
g_type_class_add_private (klass, sizeof (CinnamonGtkEmbedPrivate));
object_class->get_property = cinnamon_gtk_embed_get_property;
object_class->set_property = cinnamon_gtk_embed_set_property;
object_class->dispose = cinnamon_gtk_embed_dispose;
actor_class->get_preferred_width = cinnamon_gtk_embed_get_preferred_width;
actor_class->get_preferred_height = cinnamon_gtk_embed_get_preferred_height;
actor_class->allocate = cinnamon_gtk_embed_allocate;
actor_class->realize = cinnamon_gtk_embed_realize;
actor_class->unrealize = cinnamon_gtk_embed_unrealize;
g_object_class_install_property (object_class,
PROP_WINDOW,
g_param_spec_object ("window",
"Window",
"CinnamonEmbeddedWindow to embed",
CINNAMON_TYPE_EMBEDDED_WINDOW,
G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
}
static void
cinnamon_gtk_embed_init (CinnamonGtkEmbed *embed)
{
embed->priv = G_TYPE_INSTANCE_GET_PRIVATE (embed, CINNAMON_TYPE_GTK_EMBED,
CinnamonGtkEmbedPrivate);
/* automatic here means whether ClutterX11TexturePixmap should
* process damage update and refresh the pixmap itself.
*/
clutter_x11_texture_pixmap_set_automatic (CLUTTER_X11_TEXTURE_PIXMAP (embed), TRUE);
}
/*
* Public API
*/
ClutterActor *
cinnamon_gtk_embed_new (CinnamonEmbeddedWindow *window)
{
g_return_val_if_fail (CINNAMON_IS_EMBEDDED_WINDOW (window), NULL);
return g_object_new (CINNAMON_TYPE_GTK_EMBED,
"window", window,
NULL);
}