[gtk-vnc] Added the ability to request an update.

[Jonh Wendell <jwendell src gnome org>]

commit fc3106763604e5d448389de0b8594b75f50f015e
Author: Jonh Wendell <jwendell gnome org>
Date:   Thu Oct 15 15:30:06 2009 -0300

    Added the ability to request an update.
    
    vnc_display_request_update() is the new symbol.

 src/vncdisplay.c |   17 +++++++++++++++++
 src/vncdisplay.h |    2 ++
 2 files changed, 19 insertions(+), 0 deletions(-)
---
diff --git a/src/vncdisplay.c b/src/vncdisplay.c
index 05df8d2..f779a63 100644
--- a/src/vncdisplay.c
+++ b/src/vncdisplay.c
@@ -2311,6 +2311,23 @@ vnc_display_get_option_entries (void)
 	return gtk_vnc_args;
 }
 
+gboolean
+vnc_display_request_update(VncDisplay *obj)
+{
+	g_return_val_if_fail (VNC_IS_DISPLAY (obj), FALSE);
+
+	if (!obj->priv->gvnc || !gvnc_is_initialized(obj->priv->gvnc))
+		return FALSE;
+
+	GVNC_DEBUG ("Requesting a full update");
+	return gvnc_framebuffer_update_request(obj->priv->gvnc,
+					       0,
+					       0,
+					       0,
+					       obj->priv->fb.width,
+					       obj->priv->fb.height);
+}
+
 #ifdef WIN32
 
 /* On Windows, we must call WSAStartup before using any sockets and we
diff --git a/src/vncdisplay.h b/src/vncdisplay.h
index 3a995eb..53bb246 100644
--- a/src/vncdisplay.h
+++ b/src/vncdisplay.h
@@ -147,6 +147,8 @@ gboolean	vnc_display_is_pointer_absolute(VncDisplay *obj);
 GOptionGroup *  vnc_display_get_option_group(void);
 const GOptionEntry *  vnc_display_get_option_entries(void);
 
+gboolean	vnc_display_request_update(VncDisplay *obj);
+
 G_END_DECLS
 
 #endif