/**
* Synchronizes all surfaces within the given linked list to the given socket.
* If the provided pointer to the linked list is NULL, this function has no
* effect.
*
* @param layers
* The head element of the linked list of layers to synchronize, which may
* be NULL if the list is currently empty.
*
* @param user
* The user receiving the layers.
*
* @param socket
* The socket over which each layer should be sent.
*/
static void guac_common_display_dup_layers(guac_common_display_layer* layers,
guac_user* user, guac_socket* socket) {
guac_common_display_layer* current = layers;
/* Synchronize all surfaces in given list */
while (current != NULL) {
guac_common_surface_dup(current->surface, user, socket);
current = current->next;
}
}
void guac_common_display_dup(guac_common_display* display, guac_user* user,
guac_socket* socket) {
/* Sunchronize shared cursor */
guac_common_cursor_dup(display->cursor, user, socket);
/* Synchronize default surface */
guac_common_surface_dup(display->default_surface, user, socket);
/* Synchronize all layers and buffers */
guac_common_display_dup_layers(display->layers, user, socket);
guac_common_display_dup_layers(display->buffers, user, socket);
}
void guac_terminal_display_dup(guac_terminal_display* display, guac_user* user,
guac_socket* socket) {
/* Create default surface */
guac_common_surface_dup(display->display_surface, user, socket);
/* Select layer is a child of the display layer */
guac_protocol_send_move(socket, display->select_layer,
display->display_layer, 0, 0, 0);
/* Send select layer size */
guac_protocol_send_size(socket, display->select_layer,
display->char_width * display->width,
display->char_height * display->height);
}