#include <config.h>
#include <string.h>
#include "gdk/gdkkeysyms.h"
#include "gtkmain.h"
#include "gtkmarshalers.h"
#include "gtkwindow.h"
#include "gtkplug.h"
#include "gtkprivate.h"
#include "gtksocket.h"
#include "gtkdnd.h"
#include "x11/gdkx.h"
#include "gtkxembed.h"
typedef struct _GtkSocketPrivate GtkSocketPrivate;
struct _GtkSocketPrivate
{
gint resize_count;
};
/* Forward declararations */
static void gtk_socket_class_init (GtkSocketClass *klass);
static void gtk_socket_init (GtkSocket *socket);
static void gtk_socket_finalize (GObject *object);
static void gtk_socket_notify (GObject *object,
GParamSpec *pspec);
static void gtk_socket_realize (GtkWidget *widget);
static void gtk_socket_unrealize (GtkWidget *widget);
static void gtk_socket_size_request (GtkWidget *widget,
GtkRequisition *requisition);
static void gtk_socket_size_allocate (GtkWidget *widget,
GtkAllocation *allocation);
static void gtk_socket_hierarchy_changed (GtkWidget *widget,
GtkWidget *old_toplevel);
static void gtk_socket_grab_notify (GtkWidget *widget,
gboolean was_grabbed);
static gboolean gtk_socket_key_event (GtkWidget *widget,
GdkEventKey *event);
static void gtk_socket_claim_focus (GtkSocket *socket,
gboolean send_event);
static void gtk_socket_send_configure_event (GtkSocket *socket);
static gboolean gtk_socket_focus (GtkWidget *widget,
GtkDirectionType direction);
static void gtk_socket_remove (GtkContainer *container,
GtkWidget *widget);
static void gtk_socket_forall (GtkContainer *container,
gboolean include_internals,
GtkCallback callback,
gpointer callback_data);
static void gtk_socket_add_window (GtkSocket *socket,
GdkNativeWindow xid,
gboolean need_reparent);
static GdkFilterReturn gtk_socket_filter_func (GdkXEvent *gdk_xevent,
GdkEvent *event,
gpointer data);
static gboolean xembed_get_info (GdkWindow *gdk_window,
unsigned long *version,
unsigned long *flags);
/* From Tk */
#define EMBEDDED_APP_WANTS_FOCUS NotifyNormal+20
/* Local data */
enum {
PLUG_ADDED,
PLUG_REMOVED,
LAST_SIGNAL
};
static guint socket_signals[LAST_SIGNAL] = { 0 };
static GtkWidgetClass *parent_class = NULL;
GtkSocketPrivate *
gtk_socket_get_private (GtkSocket *socket)
{
GtkSocketPrivate *private;
static GQuark private_quark = 0;
if (!private_quark)
private_quark = g_quark_from_static_string ("gtk-socket-private");
private = g_object_get_qdata (G_OBJECT (socket), private_quark);
if (!private)
{
private = g_new0 (GtkSocketPrivate, 1);
private->resize_count = 0;
g_object_set_qdata_full (G_OBJECT (socket), private_quark,
private, (GDestroyNotify) g_free);
}
return private;
}
GType
gtk_socket_get_type (void)
{
static GType socket_type = 0;
if (!socket_type)
{
static const GTypeInfo socket_info =
{
sizeof (GtkSocketClass),
NULL, /* base_init */
NULL, /* base_finalize */
(GClassInitFunc) gtk_socket_class_init,
NULL, /* class_finalize */
NULL, /* class_data */
sizeof (GtkSocket),
16, /* n_preallocs */
(GInstanceInitFunc) gtk_socket_init,
};
socket_type = g_type_register_static (GTK_TYPE_CONTAINER, "GtkSocket",
&socket_info, 0);
}
return socket_type;
}
static void
gtk_socket_finalize (GObject *object)
{
GtkSocket *socket = GTK_SOCKET (object);
g_object_unref (socket->accel_group);
socket->accel_group = NULL;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static void
gtk_socket_class_init (GtkSocketClass *class)
{
GtkWidgetClass *widget_class;
GtkContainerClass *container_class;
GObjectClass *gobject_class;
gobject_class = (GObjectClass *) class;
widget_class = (GtkWidgetClass*) class;
container_class = (GtkContainerClass*) class;
parent_class = g_type_class_peek_parent (class);
gobject_class->finalize = gtk_socket_finalize;
gobject_class->notify = gtk_socket_notify;
widget_class->realize = gtk_socket_realize;
widget_class->unrealize = gtk_socket_unrealize;
widget_class->size_request = gtk_socket_size_request;
widget_class->size_allocate = gtk_socket_size_allocate;
widget_class->hierarchy_changed = gtk_socket_hierarchy_changed;
widget_class->grab_notify = gtk_socket_grab_notify;
widget_class->key_press_event = gtk_socket_key_event;
widget_class->key_release_event = gtk_socket_key_event;
widget_class->focus = gtk_socket_focus;
/* We don't want to show_all/hide_all the in-process
* plug, if any.
*/
widget_class->show_all = gtk_widget_show;
widget_class->hide_all = gtk_widget_hide;
container_class->remove = gtk_socket_remove;
container_class->forall = gtk_socket_forall;
socket_signals[PLUG_ADDED] =
g_signal_new ("plug_added",
G_OBJECT_CLASS_TYPE (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkSocketClass, plug_added),
NULL, NULL,
_gtk_marshal_VOID__VOID,
G_TYPE_NONE, 0);
socket_signals[PLUG_REMOVED] =
g_signal_new ("plug_removed",
G_OBJECT_CLASS_TYPE (class),
G_SIGNAL_RUN_LAST,
G_STRUCT_OFFSET (GtkSocketClass, plug_removed),
_gtk_boolean_handled_accumulator, NULL,
_gtk_marshal_BOOLEAN__VOID,
G_TYPE_BOOLEAN, 0);
}
static void
gtk_socket_init (GtkSocket *socket)
{
socket->request_width = 0;
socket->request_height = 0;
socket->current_width = 0;
socket->current_height = 0;
socket->plug_window = NULL;
socket->plug_widget = NULL;
socket->focus_in = FALSE;
socket->have_size = FALSE;
socket->need_map = FALSE;
socket->active = FALSE;
socket->accel_group = gtk_accel_group_new ();
g_object_set_data (G_OBJECT (socket->accel_group), "gtk-socket", socket);
}
/**
* gtk_socket_new:
*
* Create a new empty #GtkSocket.
*
* Return value: the new #GtkSocket.
**/
GtkWidget*
gtk_socket_new (void)
{
GtkSocket *socket;
socket = g_object_new (GTK_TYPE_SOCKET, NULL);
return GTK_WIDGET (socket);
}
/**
* gtk_socket_steal:
* @socket_: a #GtkSocket
* @wid: the window ID of an existing toplevel window.
*
* Reparents a pre-existing toplevel window into a #GtkSocket. This is
* meant to embed clients that do not know about embedding into a
* #GtkSocket, however doing so is inherently unreliable, and using
* this function is not recommended.
*
* The #GtkSocket must have already be added into a toplevel window
* before you can make this call.
**/
void
gtk_socket_steal (GtkSocket *socket, GdkNativeWindow wid)
{
g_return_if_fail (GTK_IS_SOCKET (socket));
g_return_if_fail (GTK_WIDGET_ANCHORED (socket));
if (!GTK_WIDGET_REALIZED (socket))
gtk_widget_realize (GTK_WIDGET (socket));
gtk_socket_add_window (socket, wid, TRUE);
}
/**
* gtk_socket_add_id:
* @socket_: a #GtkSocket
* @window_id: the window ID of a client participating in the XEMBED protocol.
*
* Adds an XEMBED client, such as a #GtkPlug, to the #GtkSocket. The
* client may be in the same process or in a different process.
*
* To embed a #GtkPlug in a #GtkSocket, you can either create the
* #GtkPlug with <literal>gtk_plug_new (0)</literal>, call
* gtk_plug_get_id() to get the win
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