syntax = "proto3";

package codemp.cursor;

service Cursor {
	rpc Moved  (CursorPosition)   returns (MovedResponse);
	rpc Listen (UserIdentity)     returns (stream CursorPosition);
}

message MovedResponse {}

message RowColumn {
	int32 row = 1;
	int32 col = 2;
}

message CursorPosition {
	string user = 1;
	string buffer = 2;
	RowColumn start = 3;
	RowColumn end = 4;
}

message UserIdentity {
	string id = 1;
}