/**
* gst_navigation_message_parse_mouse_over:
* @message: A #GstMessage to inspect.
* @active: A pointer to a gboolean to receive the active/inactive state,
* or NULL.
*
* Parse a #GstNavigation message of type #GST_NAVIGATION_MESSAGE_MOUSE_OVER
* and extract the active/inactive flag. If the mouse over event is marked
* active, it indicates that the mouse is over a clickable area.
*
* Returns: %TRUE if the message could be successfully parsed. %FALSE if not.
* Since: 0.10.23
*/
gboolean
gst_navigation_message_parse_mouse_over (GstMessage * message,
gboolean * active)
{
if (!GST_NAVIGATION_MESSAGE_HAS_TYPE (message, MOUSE_OVER))
return FALSE;
if (active) {
const GstStructure *s = gst_message_get_structure (message);
if (gst_structure_get_boolean (s, "active", active) == FALSE)
return FALSE;
}
return TRUE;
}
/**
* gst_navigation_message_parse_angles_changed:
* @message: A #GstMessage to inspect.
* @cur_angle: A pointer to a #guint to receive the new current angle number,
* or NULL
* @n_angles: A pointer to a #guint to receive the new angle count, or NULL.
*
* Parse a #GstNavigation message of type GST_NAVIGATION_MESSAGE_ANGLES_CHANGED
* and extract the @cur_angle and @n_angles parameters.
*
* Returns: %TRUE if the message could be successfully parsed. %FALSE if not.
* Since: 0.10.23
*/
gboolean
gst_navigation_message_parse_angles_changed (GstMessage * message,
guint * cur_angle, guint * n_angles)
{
const GstStructure *s;
gboolean ret = TRUE;
g_return_val_if_fail (GST_NAVIGATION_MESSAGE_HAS_TYPE (message,
ANGLES_CHANGED), FALSE);
s = gst_message_get_structure (message);
if (cur_angle)
ret &= gst_structure_get_uint (s, "angle", cur_angle);
if (n_angles)
ret &= gst_structure_get_uint (s, "angles", n_angles);
WARN_IF_FAIL (ret, "Couldn't extract details from angles-changed event");
return ret;
}
EXPORT_C
#endif
gboolean
gst_navigation_message_parse_angles_changed (GstMessage * message,
guint * cur_angle, guint * n_angles)
{
const GstStructure *s;
g_return_val_if_fail (GST_NAVIGATION_MESSAGE_HAS_TYPE (message,
ANGLES_CHANGED), FALSE);
s = gst_message_get_structure (message);
if (cur_angle)
g_return_val_if_fail (gst_structure_get_uint (s, "angle", cur_angle),
FALSE);
if (n_angles)
g_return_val_if_fail (gst_structure_get_uint (s, "angles", n_angles),
FALSE);
return TRUE;
}
