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/*
* Virt Viewer: A virtual machine console viewer
*
* Copyright (C) 2007-2012 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 "virt-viewer-auth.h"
#include "virt-viewer-display-vnc.h"
#include <glib/gi18n.h>
G_DEFINE_TYPE(VirtViewerDisplayVnc, virt_viewer_display_vnc, VIRT_VIEWER_TYPE_DISPLAY)
struct _VirtViewerDisplayVncPrivate {
VncDisplay *vnc;
};
#define VIRT_VIEWER_DISPLAY_VNC_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE((o), VIRT_VIEWER_TYPE_DISPLAY_VNC, VirtViewerDisplayVncPrivate))
static void virt_viewer_display_vnc_send_keys(VirtViewerDisplay* display, const guint *keyvals, int nkeyvals);
static GdkPixbuf *virt_viewer_display_vnc_get_pixbuf(VirtViewerDisplay* display);
static void
virt_viewer_display_vnc_finalize(GObject *obj)
{
VirtViewerDisplayVnc *vnc = VIRT_VIEWER_DISPLAY_VNC(obj);
g_object_unref(vnc->priv->vnc);
G_OBJECT_CLASS(virt_viewer_display_vnc_parent_class)->finalize(obj);
}
static void
virt_viewer_display_vnc_class_init(VirtViewerDisplayVncClass *klass)
{
VirtViewerDisplayClass *dclass = VIRT_VIEWER_DISPLAY_CLASS(klass);
GObjectClass *oclass = G_OBJECT_CLASS(klass);
oclass->finalize = virt_viewer_display_vnc_finalize;
dclass->send_keys = virt_viewer_display_vnc_send_keys;
dclass->get_pixbuf = virt_viewer_display_vnc_get_pixbuf;
g_type_class_add_private(klass, sizeof(VirtViewerDisplayVncPrivate));
}
static void
virt_viewer_display_vnc_init(VirtViewerDisplayVnc *self G_GNUC_UNUSED)
{
self->priv = VIRT_VIEWER_DISPLAY_VNC_GET_PRIVATE(self);
}
static void
virt_viewer_display_vnc_mouse_grab(VncDisplay *vnc G_GNUC_UNUSED,
VirtViewerDisplay *display)
{
g_signal_emit_by_name(display, "display-pointer-grab");
}
static void
virt_viewer_display_vnc_mouse_ungrab(VncDisplay *vnc G_GNUC_UNUSED,
VirtViewerDisplay *display)
{
g_signal_emit_by_name(display, "display-pointer-ungrab");
}
static void
virt_viewer_display_vnc_key_grab(VncDisplay *vnc G_GNUC_UNUSED,
VirtViewerDisplay *display)
{
g_signal_emit_by_name(display, "display-keyboard-grab");
}
static void
virt_viewer_display_vnc_key_ungrab(VncDisplay *vnc G_GNUC_UNUSED,
VirtViewerDisplay *display)
{
g_signal_emit_by_name(display, "display-keyboard-ungrab");
}
static void
virt_viewer_display_vnc_send_keys(VirtViewerDisplay* display,
const guint *keyvals,
int nkeyvals)
{
VirtViewerDisplayVnc *self = VIRT_VIEWER_DISPLAY_VNC(display);
g_return_if_fail(self != NULL);
g_return_if_fail(keyvals != NULL);
g_return_if_fail(self->priv->vnc != NULL);
vnc_display_send_keys(self->priv->vnc, keyvals, nkeyvals);
}
static GdkPixbuf *
virt_viewer_display_vnc_get_pixbuf(VirtViewerDisplay* display)
{
VirtViewerDisplayVnc *self = VIRT_VIEWER_DISPLAY_VNC(display);
g_return_val_if_fail(self != NULL, NULL);
g_return_val_if_fail(self->priv->vnc != NULL, NULL);
return vnc_display_get_pixbuf(self->priv->vnc);
}
/*
* Called when desktop size changes.
*
* It either tries to resize the main window, or it triggers
* recalculation of the display within existing window size
*/
static void
virt_viewer_display_vnc_resize_desktop(VncDisplay *vnc G_GNUC_UNUSED,
int width, int height,
VirtViewerDisplay *display)
{
DEBUG_LOG("desktop resize %dx%d", width, height);
virt_viewer_display_set_desktop_size(display, width, height);
}
GtkWidget *
virt_viewer_display_vnc_new(VncDisplay *vnc)
{
VirtViewerDisplayVnc *display;
display = g_object_new(VIRT_VIEWER_TYPE_DISPLAY_VNC, NULL);
g_object_ref(vnc);
g_object_ref(vnc); /* Because gtk_container_add steals the first ref */
display->priv->vnc = vnc;
gtk_container_add(GTK_CONTAINER(display), GTK_WIDGET(display->priv->vnc));
vnc_display_set_keyboard_grab(display->priv->vnc, TRUE);
vnc_display_set_pointer_grab(display->priv->vnc, TRUE);
/*
* In auto-resize mode we have things setup so that we always
* automatically resize the top level window to be exactly the
* same size as the VNC desktop, except when it won't fit on
* the local screen, at which point we let it scale down.
* The upshot is, we always want scaling enabled.
* We disable force_size because we want to allow user to
* manually size the widget smaller too
*/
vnc_display_set_force_size(display->priv->vnc, FALSE);
vnc_display_set_scaling(display->priv->vnc, TRUE);
/* When VNC desktop resizes, we have to resize the containing widget */
g_signal_connect(display->priv->vnc, "vnc-desktop-resize",
G_CALLBACK(virt_viewer_display_vnc_resize_desktop), display);
g_signal_connect(display->priv->vnc, "vnc-pointer-grab",
G_CALLBACK(virt_viewer_display_vnc_mouse_grab), display);
g_signal_connect(display->priv->vnc, "vnc-pointer-ungrab",
G_CALLBACK(virt_viewer_display_vnc_mouse_ungrab), display);
g_signal_connect(display->priv->vnc, "vnc-keyboard-grab",
G_CALLBACK(virt_viewer_display_vnc_key_grab), display);
g_signal_connect(display->priv->vnc, "vnc-keyboard-ungrab",
G_CALLBACK(virt_viewer_display_vnc_key_ungrab), display);
return GTK_WIDGET(display);
}
/*
* Local variables:
* c-indent-level: 4
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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