diff --git a/Cargo.lock b/Cargo.lock
index bcff1e4..42c3926 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -139,9 +139,9 @@ dependencies = [
 
 [[package]]
 name = "cc"
-version = "1.0.57"
+version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fde55d2a2bfaa4c9668bbc63f531fbdeee3ffe188f4662511ce2c22b3eedebe"
+checksum = "f9a06fb2e53271d7c279ec1efea6ab691c35a2ae67ec0d91d7acec0caf13b518"
 
 [[package]]
 name = "cfg-if"
@@ -281,9 +281,9 @@ dependencies = [
 
 [[package]]
 name = "deflate"
-version = "0.8.4"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7e5d2a2273fed52a7f947ee55b092c4057025d7a3e04e5ecdbd25d6c3fb1bd7"
+checksum = "73770f8e1fe7d64df17ca66ad28994a0a623ea497fa69486e14984e715c5d174"
 dependencies = [
  "adler32",
  "byteorder",
@@ -359,9 +359,9 @@ checksum = "bb1f6b1ce1c140482ea30ddd3335fc0024ac7ee112895426e0a629a6c20adfe3"
 
 [[package]]
 name = "euclid"
-version = "0.20.13"
+version = "0.20.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "555d51b9a929edb14183fad621e2d5736fc8760707a24246047288d4c142b6bd"
+checksum = "2bb7ef65b3777a325d1eeefefab5b6d4959da54747e33bd6258e789640f307ad"
 dependencies = [
  "num-traits",
 ]
@@ -427,9 +427,9 @@ checksum = "452b31b3ffe7cf13de531eefae493301c85995a953c808d7c79a8f45abae0706"
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.14"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9586eedd4ce6b3c498bc3b4dd92fc9f11166aa908a914071953768066c67909"
+checksum = "3deed196b6e7f9e44a2ae8d94225d80302d81208b1bb673fd21fe634645c85a9"
 dependencies = [
  "libc",
 ]
@@ -463,9 +463,9 @@ dependencies = [
 
 [[package]]
 name = "instant"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69da7ce1490173c2bf4d26bc8be429aaeeaf4cce6c4b970b7949651fa17655fe"
+checksum = "5b141fdc7836c525d4d594027d318c84161ca17aaf8113ab1f81ab93ae897485"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
@@ -480,9 +480,9 @@ checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
 
 [[package]]
 name = "jpeg-decoder"
-version = "0.1.19"
+version = "0.1.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b47b4c4e017b01abdc5bcc126d2d1002e5a75bbe3ce73f9f4f311a916363704"
+checksum = "cc797adac5f083b8ff0ca6f6294a999393d76e197c36488e2ef732c4715f6fa3"
 dependencies = [
  "byteorder",
  "rayon",
@@ -505,9 +505,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.71"
+version = "0.2.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9457b06509d27052635f90d6466700c65095fdf75409b3fbdd903e988b886f49"
+checksum = "a9f8082297d534141b30c8d39e9b1773713ab50fdbe4ff30f750d063b3bfd701"
 
 [[package]]
 name = "libloading"
@@ -699,7 +699,7 @@ dependencies = [
 [[package]]
 name = "orbtk"
 version = "0.3.1-alpha3"
-source = "git+https://github.com/redox-os/orbtk.git?branch=develop#e8b0f9a3f8dc322414f1ea64de57f72979e17496"
+source = "git+https://github.com/redox-os/orbtk.git?branch=develop#cef2271030b413d680e3d73c6f9c733f1971229a"
 dependencies = [
  "dces",
  "orbtk-api",
@@ -716,7 +716,7 @@ dependencies = [
 [[package]]
 name = "orbtk-api"
 version = "0.3.1-alpha3"
-source = "git+https://github.com/redox-os/orbtk.git?branch=develop#e8b0f9a3f8dc322414f1ea64de57f72979e17496"
+source = "git+https://github.com/redox-os/orbtk.git?branch=develop#cef2271030b413d680e3d73c6f9c733f1971229a"
 dependencies = [
  "dces",
  "derive_more",
@@ -738,7 +738,7 @@ dependencies = [
 [[package]]
 name = "orbtk-css-engine"
 version = "0.3.1-alpha3"
-source = "git+https://github.com/redox-os/orbtk.git?branch=develop#e8b0f9a3f8dc322414f1ea64de57f72979e17496"
+source = "git+https://github.com/redox-os/orbtk.git?branch=develop#cef2271030b413d680e3d73c6f9c733f1971229a"
 dependencies = [
  "cssparser",
  "orbtk-utils",
@@ -747,7 +747,7 @@ dependencies = [
 [[package]]
 name = "orbtk-proc-macros"
 version = "0.3.1-alpha3"
-source = "git+https://github.com/redox-os/orbtk.git?branch=develop#e8b0f9a3f8dc322414f1ea64de57f72979e17496"
+source = "git+https://github.com/redox-os/orbtk.git?branch=develop#cef2271030b413d680e3d73c6f9c733f1971229a"
 dependencies = [
  "case",
  "proc-macro2",
@@ -758,7 +758,7 @@ dependencies = [
 [[package]]
 name = "orbtk-render"
 version = "0.3.1-alpha3"
-source = "git+https://github.com/redox-os/orbtk.git?branch=develop#e8b0f9a3f8dc322414f1ea64de57f72979e17496"
+source = "git+https://github.com/redox-os/orbtk.git?branch=develop#cef2271030b413d680e3d73c6f9c733f1971229a"
 dependencies = [
  "image",
  "orbtk-utils",
@@ -770,7 +770,7 @@ dependencies = [
 [[package]]
 name = "orbtk-shell"
 version = "0.3.1-alpha3"
-source = "git+https://github.com/redox-os/orbtk.git?branch=develop#e8b0f9a3f8dc322414f1ea64de57f72979e17496"
+source = "git+https://github.com/redox-os/orbtk.git?branch=develop#cef2271030b413d680e3d73c6f9c733f1971229a"
 dependencies = [
  "console_error_panic_hook",
  "derive_more",
@@ -787,7 +787,7 @@ dependencies = [
 [[package]]
 name = "orbtk-theme"
 version = "0.3.1-alpha3"
-source = "git+https://github.com/redox-os/orbtk.git?branch=develop#e8b0f9a3f8dc322414f1ea64de57f72979e17496"
+source = "git+https://github.com/redox-os/orbtk.git?branch=develop#cef2271030b413d680e3d73c6f9c733f1971229a"
 dependencies = [
  "lazy_static",
  "orbtk-css-engine",
@@ -796,7 +796,7 @@ dependencies = [
 [[package]]
 name = "orbtk-tree"
 version = "0.3.1-alpha3"
-source = "git+https://github.com/redox-os/orbtk.git?branch=develop#e8b0f9a3f8dc322414f1ea64de57f72979e17496"
+source = "git+https://github.com/redox-os/orbtk.git?branch=develop#cef2271030b413d680e3d73c6f9c733f1971229a"
 dependencies = [
  "dces",
 ]
@@ -804,12 +804,12 @@ dependencies = [
 [[package]]
 name = "orbtk-utils"
 version = "0.3.1-alpha3"
-source = "git+https://github.com/redox-os/orbtk.git?branch=develop#e8b0f9a3f8dc322414f1ea64de57f72979e17496"
+source = "git+https://github.com/redox-os/orbtk.git?branch=develop#cef2271030b413d680e3d73c6f9c733f1971229a"
 
 [[package]]
 name = "orbtk-widgets"
 version = "0.3.1-alpha3"
-source = "git+https://github.com/redox-os/orbtk.git?branch=develop#e8b0f9a3f8dc322414f1ea64de57f72979e17496"
+source = "git+https://github.com/redox-os/orbtk.git?branch=develop#cef2271030b413d680e3d73c6f9c733f1971229a"
 dependencies = [
  "dces",
  "lazy_static",
@@ -914,9 +914,9 @@ dependencies = [
 
 [[package]]
 name = "pkg-config"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
+checksum = "d36492546b6af1463394d46f0c834346f31548646f6ba10849802c9c9a27ac33"
 
 [[package]]
 name = "png"
@@ -938,7 +938,7 @@ checksum = "c150bf7479fafe3dd8740dbe48cc33b2a3efb7b0fe3483aced8bbc39f6d0238d"
 dependencies = [
  "bitflags",
  "crc32fast",
- "deflate 0.8.4",
+ "deflate 0.8.6",
  "miniz_oxide",
 ]
 
@@ -1183,9 +1183,9 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.56"
+version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
+checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
 name = "redox_users"
@@ -1408,9 +1408,9 @@ checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
 [[package]]
 name = "smallvec"
-version = "1.4.0"
+version = "1.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7cb5678e1615754284ec264d9bb5b4c27d2018577fd90ac0ceb578591ed5ee4"
+checksum = "3757cb9d89161a2f24e1cf78efa0c1fcff485d18e3f55e0aa3480824ddaa0f3f"
 
 [[package]]
 name = "spin_sleep"
diff --git a/res/HelloTwitter.qml b/res/HelloTwitter.qml
index 3772d31..a6af2b5 100644
--- a/res/HelloTwitter.qml
+++ b/res/HelloTwitter.qml
@@ -1,6 +1,6 @@
 Grid {
     rows:2
-    cols:2
+    columns:2
     Rectangle {
         color: "#F3F0F4"
         Text {
diff --git a/res/example.qml b/res/example.qml
index 1081e29..27bfbd1 100644
--- a/res/example.qml
+++ b/res/example.qml
@@ -6,18 +6,20 @@ Grid {
 
     }
 
+
     HelloTwitter {
 
     }
 
     Rectangle {
-        color: "#8c63a4"
+        color: "#634B72"
         Text {
             id: target
             anchors.centerIn: parent
             text: "Hello, World!"
         }
     }
+
     Grid {
         rows: 2
         columns: 2
@@ -43,6 +45,20 @@ Grid {
                 ]]
             }
         }
+                Rectangle {
+                    color: "#b29dbe"
+                    ComboBox {
+                        id: combobox
+                        anchors.centerIn: parent
+                        items =  [[
+                             ["1", "World", "@@#$@#"]
+                        ]]
+                        selected: 2
+                        onselect = [[
+                           update_property("target", "text", get_property("combobox","selected"));
+                        ]]
+                    }
+                }
         Rectangle {
             color: "#F3F0F4"
             Button {
@@ -54,12 +70,6 @@ Grid {
                 ]]
             }
         }
-        Rectangle {
-            color: "#b29dbe"
-            Text {
-                anchors.centerIn: parent
-                text: "Hello, World!"
-            }
-        }
+
     }
 }
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index cc7ce48..5275dce 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,7 @@
 use orbtk::prelude::*;
 
-use rhai::Engine;
 use rhai::RegisterFn;
+use rhai::{Array, Engine};
 use std::sync::mpsc::{Receiver, Sender};
 use std::time::Duration;
 pub mod parser;
@@ -14,6 +14,7 @@ use evmap::{ReadHandle, WriteHandle};
 use rand::Rng;
 use std::borrow::BorrowMut;
 use std::collections::VecDeque;
+use std::ops::Index;
 use std::sync::mpsc;
 
 #[macro_use]
@@ -131,13 +132,6 @@ impl State for MVState {
                     rng.gen_range(0.0, 1.0) as f32
                 });
 
-                for ((entity, property), code) in self.ids.code.iter() {
-                    let result = self.engine.eval::<(f32)>(code.as_str());
-                    let point = result.unwrap();
-                    println!("{}.{} = {} {:?}", entity, property, code, point);
-                    ctx.child(entity.as_str()).set::<f32>(property, point);
-                }
-
                 for id in self.ids.indexes.iter() {
                     if ctx.child(id.as_str()).has::<String16>("text") {
                         let res = ctx.child(id.as_str()).get::<String16>("text").clone();
@@ -147,6 +141,21 @@ impl State for MVState {
                         }
                         w.update(id.clone() + ".text", res.as_string());
                     }
+                    if ctx.child(id.as_str()).has::<i32>("selected_index") {
+                        let index = ctx.child(id.as_str()).get::<i32>("selected_index").clone();
+                        match self.ids.code.get(&(id.clone(), String::from("items").clone())) {
+                            Some(code) => {
+                                let engine = Engine::new();
+                                match engine.eval::<Array>(code.as_str()) {
+                                    Ok(list) => {
+                                        w.update(id.clone() + ".selected", list.index(index as usize).to_string());
+                                    }
+                                    _ => {}
+                                }
+                            }
+                            _ => {}
+                        }
+                    }
                 }
                 w.refresh();
             }
diff --git a/src/widget_builders/combobox.rs b/src/widget_builders/combobox.rs
new file mode 100644
index 0000000..5e45dd3
--- /dev/null
+++ b/src/widget_builders/combobox.rs
@@ -0,0 +1,75 @@
+use crate::parser::Value::{QmlIdent, QmlString};
+use crate::parser::{Value, QML};
+use crate::state;
+use crate::widget_builders::{parse_number, QmlContext, WidgetBuilder};
+use orbtk::prelude::HashMap;
+use orbtk::prelude::*;
+use orbtk::Entity;
+use rhai::{Array, Engine};
+use std::ops::Index;
+
+pub struct ComboBoxBuilder {}
+
+impl WidgetBuilder for ComboBoxBuilder {
+    fn build(&self, properties: HashMap<String, Value>, _children: Vec<(String, QML)>) -> Box<dyn Fn(Entity, &mut BuildContext, usize, usize, &mut QmlContext) -> Entity> {
+        return Box::new(move |id, ctx, row, col, qmlctx| -> Entity {
+            let mut combo_box = ComboBox::new();
+            combo_box = combo_box.attach(Grid::row(row as usize));
+            combo_box = combo_box.attach(Grid::column(col as usize));
+
+            let widget_id = match properties.get("id") {
+                Some(QmlIdent(text)) => {
+                    combo_box = combo_box.id(text.clone());
+                    qmlctx.indexes.push(text.clone());
+                    text.clone()
+                }
+                _ => String::new(),
+            };
+
+            let items = match properties.get("items").unwrap() {
+                QmlString(code) => {
+                    qmlctx.code.insert((widget_id, String::from("items")), code.to_string());
+                    let engine = Engine::new();
+                    match engine.eval::<Array>(code.as_str()) {
+                        Ok(list) => {
+                            println!("Found Combobox with {} items {:?}", list.len(), list);
+                            list.to_vec()
+                        }
+                        _ => vec![],
+                    }
+                }
+                _ => vec![],
+            };
+
+            combo_box = combo_box.count(items.len());
+
+            combo_box = combo_box.items_builder(move |bc, index| {
+                let text = items.index(index);
+                TextBlock::new().margin((0., 0., 0., 0.)).v_align("center").text(text.to_string()).build(bc)
+            });
+
+            let code = match properties.get("onselect").unwrap() {
+                QmlString(code) => code.clone(),
+                _ => String::new(),
+            };
+
+            combo_box = combo_box.on_changed(move |states, _| {
+                state(id, states).action(code.clone());
+            });
+
+            let selected = parse_number(properties.get("selected")) as u32;
+            combo_box = combo_box.selected_index(selected as i32);
+
+            match properties.get("anchors.centerIn") {
+                Some(QmlIdent(str)) => {
+                    if str.eq("parent") {
+                        combo_box = combo_box.v_align(Alignment::Center);
+                        combo_box = combo_box.h_align(Alignment::Center);
+                    }
+                }
+                _ => {}
+            }
+            return combo_box.build(ctx);
+        });
+    }
+}
diff --git a/src/widget_builders/grid.rs b/src/widget_builders/grid.rs
index fc67462..8cd6d92 100644
--- a/src/widget_builders/grid.rs
+++ b/src/widget_builders/grid.rs
@@ -13,7 +13,7 @@ impl WidgetBuilder for GridBuilder {
             grid = grid.attach(Grid::row(row as usize));
             grid = grid.attach(Grid::column(col as usize));
             let rows = parse_number(properties.get("rows")) as u32;
-            let _cols = parse_number(properties.get("cols")) as u32;
+            let cols = parse_number(properties.get("columns")) as u32;
 
             let mut grid_rows = Rows::new();
             for _i in 0..rows {
@@ -29,14 +29,14 @@ impl WidgetBuilder for GridBuilder {
 
             let mut grow = 0u32;
             let mut gcol = 0u32;
-            //rect = rect.attach(Grid::column(gcol as usize));
+
             let qwb = QmlWidgetBuilder::new();
             for (child_type, child_qml) in children.iter() {
                 grid = grid.child(qwb.build(id, grow as usize, gcol as usize, child_type.clone(), child_qml.clone(), ctx, qmlctx));
                 grow += 1;
                 if grow as u32 == rows {
                     grow = 0;
-                    gcol += 1;
+                    gcol = (gcol + 1) % cols;
                 }
             }
             return grid.build(ctx);
diff --git a/src/widget_builders/mod.rs b/src/widget_builders/mod.rs
index b47cc6d..c646118 100644
--- a/src/widget_builders/mod.rs
+++ b/src/widget_builders/mod.rs
@@ -8,11 +8,13 @@ use crate::widget_builders::textfield::TextBuilder;
 use orbtk::prelude::*;
 use orbtk::Entity;
 
+use crate::widget_builders::combobox::ComboBoxBuilder;
 use crate::widget_builders::image::ImageBuilder;
 use crate::widget_builders::import::ImportBuilder;
 use std::collections::HashMap;
 
 pub mod button;
+pub mod combobox;
 pub mod grid;
 pub mod image;
 pub mod import;
@@ -61,6 +63,7 @@ impl QmlWidgetBuilder {
         qwb.widgets.insert(String::from("TextField"), Box::new(TextEditBuilder {}));
         qwb.widgets.insert(String::from("Button"), Box::new(ButtonBuilder {}));
         qwb.widgets.insert(String::from("Image"), Box::new(ImageBuilder {}));
+        qwb.widgets.insert(String::from("ComboBox"), Box::new(ComboBoxBuilder {}));
         qwb
     }