syntax = "proto3";

// playing around with ideas here

package gitpb;

// import "google/protobuf/timestamp.proto"; // Import the well-known type for Timestamp
import "google/protobuf/any.proto"; // Import 'Any'


message Size  {
        int64                 width        = 1;
        int64                 height       = 2;
}

// used for grid layouts
message Location  {
        int64                 x            = 1;
        int64                 y            = 2;
}

message Tree {                                   // `autogenpb:marshal`
        Widget                parent       = 1;
        repeated Widget       children     = 2;
}

message Widget {
        int64                 id           = 1;
        string                name         = 2;
        int64                 size         = 3;
        google.protobuf.Any   val          = 4;
        google.protobuf.Any   TK           = 5;
        WidgetType            Type         = 6;
        Location              location     = 7;
}

message Widgets {                                // `autogenpb:marshal`
        string                uuid         = 1;  // `autogenpb:uuid:0331fcd7-3c8c-43e4-be1b-77db6a6bc58c`
        string                version      = 2;  // `autogenpb:version:v1`
        repeated Widget       Widgets      = 3;  // this never gets used, but it's not worth violating the autogenpb standard
        Tree                  tree         = 4;  // everything is sent from go.wit.com/gui here
}

//
// Widget names should try to match [Wikipedia Graphical widget]
// TODO: fix autogenpb to look for enum
enum WidgetType {
	Root                = 0;  // the master 'root' node of the binary tree
	Flag                = 1;  // internal use
	Window              = 2;  //
	Tab                 = 3;  // a tab like in firefox
	Box                 = 4;  // must be either Vertical or Horizontal arrangment
	Group               = 5;  // think 'Appetizers' on a restaurant menu
	Grid                = 6;  // like drawers in a chest or post office boxes
	Button              = 7;  // user can click on this
	Checkbox            = 8;  // true or false
	Dropdown            = 9;  //
	Combobox            = 10; // a dropdown menu that can be edited by the user
	Label               = 11; // a simple label
	Textbox             = 12; // enter text
	TablePB             = 13; // special case to allow the arbitrary GUI display of any other protobuf
}