[gtk-vnc-devel] [PATCH] Add an interface for making widget read-only

[Anthony Liguori <anthony codemonkey ws>]

Regards,

Anthony Liguori

Add a mechanism to prevent any guest input from being sent to the guest (read
only mode).

diff -r 6cb6fdab1881 src/libgtk-vnc_sym.version
--- a/src/libgtk-vnc_sym.version	Tue Oct 23 22:13:27 2007 -0500
+++ b/src/libgtk-vnc_sym.version	Tue Oct 23 22:16:04 2007 -0500
@@ -18,6 +18,7 @@
     vnc_display_set_pointer_local;
     vnc_display_set_pointer_grab;
     vnc_display_set_keyboard_grab;
+    vnc_display_set_read_only;
 
     vnc_display_get_pixbuf;
 
diff -r 6cb6fdab1881 src/vncdisplay.c
--- a/src/vncdisplay.c	Tue Oct 23 22:13:27 2007 -0500
+++ b/src/vncdisplay.c	Tue Oct 23 22:16:04 2007 -0500
@@ -56,6 +56,7 @@ struct _VncDisplayPrivate
 	gboolean grab_pointer;
 	gboolean grab_keyboard;
 	gboolean local_pointer;
+	gboolean read_only;
 };
 
 G_DEFINE_TYPE(VncDisplay, vnc_display, GTK_TYPE_DRAWING_AREA)
@@ -239,6 +240,9 @@ static gboolean button_event(GtkWidget *
 	if (priv->gvnc == NULL || !gvnc_is_initialized(priv->gvnc))
 		return TRUE;
 
+	if (priv->read_only)
+		return TRUE;
+
 	if ((priv->grab_pointer || !priv->absolute) &&
 	    !priv->in_pointer_grab &&
 	    button->button == 1 && button->type == GDK_BUTTON_PRESS)
@@ -268,6 +272,9 @@ static gboolean scroll_event(GtkWidget *
 	int mask;
 
 	if (priv->gvnc == NULL || !gvnc_is_initialized(priv->gvnc))
+		return TRUE;
+
+	if (priv->read_only)
 		return TRUE;
 
 	if (scroll->direction == GDK_SCROLL_UP)
@@ -308,6 +315,9 @@ static gboolean motion_event(GtkWidget *
 	if (!priv->absolute && !priv->in_pointer_grab)
 		return TRUE;
 
+	if (priv->read_only)
+		return TRUE;
+
 	if (!priv->absolute && priv->in_pointer_grab) {
 		GdkDrawable *drawable = GDK_DRAWABLE(widget->window);
 		GdkDisplay *display = gdk_drawable_get_display(drawable);
@@ -355,6 +365,9 @@ static gboolean key_event(GtkWidget *wid
 	GdkModifierType consumed;
 
 	if (priv->gvnc == NULL || !gvnc_is_initialized(priv->gvnc))
+		return TRUE;
+
+	if (priv->read_only)
 		return TRUE;
 
 	/*
@@ -1197,6 +1210,11 @@ void vnc_display_set_keyboard_grab(VncDi
 
 }
 
+void vnc_display_set_read_only(VncDisplay *obj, gboolean enable)
+{
+	obj->priv->read_only = enable;
+}
+
 GType vnc_display_credential_get_type(void)
 {
 	static GType etype = 0;
diff -r 6cb6fdab1881 src/vncdisplay.h
--- a/src/vncdisplay.h	Tue Oct 23 22:13:27 2007 -0500
+++ b/src/vncdisplay.h	Tue Oct 23 22:16:04 2007 -0500
@@ -81,6 +81,7 @@ void		vnc_display_set_pointer_local(VncD
 void		vnc_display_set_pointer_local(VncDisplay *obj, gboolean enable);
 void		vnc_display_set_pointer_grab(VncDisplay *obj, gboolean enable);
 void		vnc_display_set_keyboard_grab(VncDisplay *obj, gboolean enable);
+void		vnc_display_set_read_only(VncDisplay *obj, gboolean enable);
 
 GdkPixbuf *	vnc_display_get_pixbuf(VncDisplay *obj);