/*
* Virt Viewer: A virtual machine console viewer
*
* Copyright (C) 2007-2009 Red Hat, Inc.
* Copyright (C) 2009-2012 Daniel P. Berrange
* Copyright (C) 2010 Marc-André Lureau
*
* 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
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#include <config.h>
#include <spice-audio.h>
#include <glib/gi18n.h>
#include "virt-viewer-util.h"
#include "virt-viewer-display-spice.h"
#include "virt-viewer-auth.h"
G_DEFINE_TYPE (VirtViewerDisplaySpice, virt_viewer_display_spice, VIRT_VIEWER_TYPE_DISPLAY)
struct _VirtViewerDisplaySpicePrivate {
SpiceChannel *channel; /* weak reference */
SpiceDisplay *display;
};
#define VIRT_VIEWER_DISPLAY_SPICE_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), VIRT_VIEWER_TYPE_DISPLAY_SPICE, VirtViewerDisplaySpicePrivate))
static void virt_viewer_display_spice_send_keys(VirtViewerDisplay *display,
const guint *keyvals,
int nkeyvals);
static GdkPixbuf *virt_viewer_display_spice_get_pixbuf(VirtViewerDisplay *display);
static void virt_viewer_display_spice_release_cursor(VirtViewerDisplay *display);
static void virt_viewer_display_spice_close(VirtViewerDisplay *display G_GNUC_UNUSED);
static gboolean virt_viewer_display_spice_selectable(VirtViewerDisplay *display);
static void
virt_viewer_display_spice_finalize(GObject *obj)
{
VirtViewerDisplaySpice *spice = VIRT_VIEWER_DISPLAY_SPICE(obj);
g_object_unref(spice->priv->display);
G_OBJECT_CLASS(virt_viewer_display_spice_parent_class)->finalize(obj);
}
static void
virt_viewer_display_spice_class_init(VirtViewerDisplaySpiceClass *klass)
{
VirtViewerDisplayClass *dclass = VIRT_VIEWER_DISPLAY_CLASS(klass);
GObjectClass *oclass = G_OBJECT_CLASS(klass);
oclass->finalize = virt_viewer_display_spice_finalize;
dclass->send_keys = virt_viewer_display_spice_send_keys;
dclass->get_pixbuf = virt_viewer_display_spice_get_pixbuf;
dclass->release_cursor = virt_viewer_display_spice_release_cursor;
dclass->close = virt_viewer_display_spice_close;
dclass->selectable = virt_viewer_display_spice_selectable;
g_type_class_add_private(klass, sizeof(VirtViewerDisplaySpicePrivate));
}
static SpiceMainChannel*
get_main(VirtViewerDisplay *self)
{
VirtViewerSessionSpice *session;
session = VIRT_VIEWER_SESSION_SPICE(virt_viewer_display_get_session(self));
return virt_viewer_session_spice_get_main_channel(session);
}
static void
show_hint_changed(VirtViewerDisplay *self)
{
SpiceMainChannel *main_channel = get_main(self);
guint enabled = TRUE;
guint nth;
/* this may happen when finalizing */
if (!main_channel)
return;
g_object_get(self, "nth-display", &nth, NULL);
if (virt_viewer_display_get_show_hint(self) & VIRT_VIEWER_DISPLAY_SHOW_HINT_DISABLED)
enabled = FALSE;
spice_main_set_display_enabled(main_channel, nth, enabled);
}
static void
virt_viewer_display_spice_init(VirtViewerDisplaySpice *self G_GNUC_UNUSED)
{
self->priv = VIRT_VIEWER_DISPLAY_SPICE_GET_PRIVATE(self);
g_signal_connect(self, "notify::show-hint", G_CALLBACK(show_hint_changed), NULL);
}
static void
virt_viewer_display_spice_send_keys(VirtViewerDisplay *display,
const guint *keyvals,
int nkeyvals)
{
VirtViewerDisplaySpice *self = VIRT_VIEWER_DISPLAY_SPICE(display);
g_return_if_fail(self != NULL);
g_return_if_fail(self->priv->display != NULL);
spice_display_send_keys(self->priv->display, keyvals, nkeyvals, SPICE_DISPLAY_KEY_EVENT_CLICK);
}
static GdkPixbuf *
virt_viewer_display_spice_get_pixbuf(VirtViewerDisplay *display)
{
VirtViewerDisplaySpice *self = VIRT_VIEWER_DISPLAY_SPICE(display);
g_return_val_if_fail(self != NULL, NULL);
g_return_val_if_fail(self->priv->display != NULL, NULL);
return spice_display_get_pixbuf(self->priv->display);
}
static void
display_ready(GObject *display,
GParamSpec *pspec G_GNUC_UNUSED,
VirtViewerDisplay *self)
{
gboolean ready;
g_object_get(display, "ready", &ready, NULL);
DEBUG_LOG("display %p ready:%d", self, ready);
virt_viewer_display_set_show_hint(self, VIRT_VIEWER_DISPLAY_SHOW_HINT_READY, ready);
}
static void
virt_viewer_display_spice_keyboard_grab(SpiceDisplay *display G_GNUC_UNUSED,
int grabbed,
VirtViewerDisplaySpice *self)
{
if (grabbed)
g_signal_emit_by_name(self, "display-keyboard-grab");
else
g_signal_emit_by_name(self, "display-keyboard-ungrab");
}
static void
virt_viewer_display_spice_mouse_grab(SpiceDisplay *display G_GNUC_UNUSED,
int grabbed,
VirtViewerDisplaySpice *self)
{
if (grabbed)
g_signal_emit_by_name(self, "display-pointer-grab");
else
g_signal_emit_by_name(self, "display-pointer-ungrab");
}
static void
virt_viewer_display_spice_size_allocate(VirtViewerDisplaySpice *self,
GtkAllocation *allocation,
gpointer data G_GNUC_UNUSED)
{
gdouble dw = allocation->width, dh = allocation->height;
guint zoom = 100;
guint nth;
if (virt_viewer_display_get_auto_resize(VIRT_VIEWER_DISPLAY(self)) == FALSE)
return;
if (virt_viewer_display_get_show_hint(VIRT_VIEWER_DISPLAY(self)) & VIRT_VIEWER_DISPLAY_SHOW_HINT_DISABLED)
return;
if (virt_viewer_display_get_zoom(VIRT_VIEWER_DISPLAY(self))) {
zoom = virt_viewer_display_get_zoom_level(VIRT_VIEWER_DISPLAY(self));
dw /= ((double)zoom / 100.0);
dh /= ((double)zoom / 100.0);
}
g_object_get(self, "nth-display", &nth, NULL);
spice_main_set_display(get_main(VIRT_VIEWER_DISPLAY(self)),
nth, 0, 0, dw, dh);
}
static void
enable_accel_changed(VirtViewerApp *app,
GParamSpec *pspec G_GNUC_UNUSED,
VirtViewerDisplaySpice *self)
{
if (virt_viewer_app_get_enable_accel(app)) {
/* disable default grab sequence */
spice_display_set_grab_keys(self->priv->display,
spice_grab_sequence_new(0, NULL));
} else {
spice_display_set_grab_keys(self->priv->display, NULL);
}
}
GtkWidget *
virt_viewer_display_spice_new(VirtViewerSessionSpice *session,
SpiceChannel *channel,
gint monitorid)
{
VirtViewerDisplaySpice *self;
VirtViewerApp *app;
gint channelid;
SpiceSession *s;
g_return_val_if_fail(SPICE_IS_DISPLAY_CHANNEL(channel), NULL);
g_object_get(channel, "channel-id", &channelid, NULL);
// We don't allow monitorid != 0 && channelid != 0
g_return_val_if_fail(channelid == 0 || monitorid == 0, NULL);
self = g_object_new(VIRT_VIEWER_TYPE_DISPLAY_SPICE,
"session", session,
// either monitorid is always 0 or channelid
// is, we can't have display (0, 2) and (2, 0)
// for example
"nth-display", channelid + monitorid,
NULL);
self->priv->channel = channel;
g_object_get(session, "spice-session", &s, NULL);
self->priv->display = spice_display_new_with_monitor(s, channelid, monitorid);
g_object_unref(s);
virt_viewer_signal_connect_object(self->priv->display, "notify::ready",
G_CALLBACK(display_ready), self, 0);
gtk_container_add(GTK_CONTAINER(self), g_object_ref(self->priv->display));
gtk_widget_show(GTK_WIDGET(self->priv->display));
g_object_set(self->priv->display,
"grab-keyboard", TRUE,
"grab-mouse", TRUE,
"resize-guest", FALSE,
"scaling", TRUE,
NULL);
virt_viewer_signal_connect_object(self->priv->display, "keyboard-grab",
G_CALLBACK(virt_viewer_display_spice_keyboard_grab), self, 0);
virt_viewer_signal_connect_object(self->priv->display, "mouse-grab",
G_CALLBACK(virt_viewer_display_spice_mouse_grab), self, 0);
virt_viewer_signal_connect_object(self, "size-allocate",
G_CALLBACK(virt_viewer_display_spice_size_allocate), self, 0);
app = virt_viewer_session_get_app(VIRT_VIEWER_SESSION(session));
virt_viewer_signal_connect_object(app, "notify::enable-accel",
G_CALLBACK(enable_accel_changed), self, 0);
enable_accel_changed(app, NULL, self);
return GTK_WIDGET(self);
}
static void
virt_viewer_display_spice_release_cursor(VirtViewerDisplay *display)
{
VirtViewerDisplaySpice *self = VIRT_VIEWER_DISPLAY_SPICE(display);
spice_display_mouse_ungrab(self->priv->display);
}
static void
virt_viewer_display_spice_close(VirtViewerDisplay *display G_GNUC_UNUSED)
{
}
static gboolean
virt_viewer_display_spice_selectable(VirtViewerDisplay *self)
{
gboolean agent_connected;
SpiceMainChannel *mainc;
mainc = get_main(self);
g_object_get(mainc,
"agent-connected", &agent_connected,
NULL);
return agent_connected;
}
/*
* Local variables:
* c-indent-level: 4
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/