diff --git a/Cargo.lock b/Cargo.lock
index 76296db..827ab55 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -896,17 +896,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d067ad48b8650848b989a59a86c6c36a995d02d2bf778d45c3c5d57bc2718f02"
 dependencies = [
  "smallvec",
- "target-lexicon 0.12.16",
-]
-
-[[package]]
-name = "cfg-expr"
-version = "0.20.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e34e221e91c7eb5e8315b5c9cf1a61670938c0626451f954a51693ed44b37f45"
-dependencies = [
- "smallvec",
- "target-lexicon 0.13.2",
+ "target-lexicon",
 ]
 
 [[package]]
@@ -2149,19 +2139,6 @@ version = "0.31.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "07e28edb80900c19c28f1072f2e8aeca7fa06b23cd4169cefe1af5aa3260783f"
 
-[[package]]
-name = "gio-sys"
-version = "0.20.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "521e93a7e56fc89e84aea9a52cfc9436816a4b363b030260b699950ff1336c83"
-dependencies = [
- "glib-sys",
- "gobject-sys",
- "libc",
- "system-deps 7.0.5",
- "windows-sys 0.59.0",
-]
-
 [[package]]
 name = "gl_generator"
 version = "0.14.0"
@@ -2173,50 +2150,6 @@ dependencies = [
  "xml-rs",
 ]
 
-[[package]]
-name = "glib"
-version = "0.20.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffc4b6e352d4716d84d7dde562dd9aee2a7d48beb872dd9ece7f2d1515b2d683"
-dependencies = [
- "bitflags 2.9.1",
- "futures-channel",
- "futures-core",
- "futures-executor",
- "futures-task",
- "futures-util",
- "gio-sys",
- "glib-macros",
- "glib-sys",
- "gobject-sys",
- "libc",
- "memchr",
- "smallvec",
-]
-
-[[package]]
-name = "glib-macros"
-version = "0.20.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8084af62f09475a3f529b1629c10c429d7600ee1398ae12dd3bf175d74e7145"
-dependencies = [
- "heck",
- "proc-macro-crate",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "glib-sys"
-version = "0.20.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ab79e1ed126803a8fb827e3de0e2ff95191912b8db65cee467edb56fc4cc215"
-dependencies = [
- "libc",
- "system-deps 7.0.5",
-]
-
 [[package]]
 name = "glob"
 version = "0.3.2"
@@ -2301,17 +2234,6 @@ dependencies = [
  "gl_generator",
 ]
 
-[[package]]
-name = "gobject-sys"
-version = "0.20.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec9aca94bb73989e3cfdbf8f2e0f1f6da04db4d291c431f444838925c4c63eda"
-dependencies = [
- "glib-sys",
- "libc",
- "system-deps 7.0.5",
-]
-
 [[package]]
 name = "group"
 version = "0.13.0"
@@ -2323,92 +2245,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "gstreamer"
-version = "0.23.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8757a87f3706560037a01a9f06a59fcc7bdb0864744dcf73546606e60c4316e1"
-dependencies = [
- "cfg-if",
- "futures-channel",
- "futures-core",
- "futures-util",
- "glib",
- "gstreamer-sys",
- "itertools 0.14.0",
- "libc",
- "muldiv",
- "num-integer",
- "num-rational",
- "once_cell",
- "option-operations",
- "paste",
- "pin-project-lite",
- "smallvec",
- "thiserror 2.0.12",
-]
-
-[[package]]
-name = "gstreamer-sdp"
-version = "0.23.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57f94ab92cb1dbd6d00e41208ab463b5fbce3eca65a4c9710585fede015a9d65"
-dependencies = [
- "glib",
- "gstreamer",
- "gstreamer-sdp-sys",
-]
-
-[[package]]
-name = "gstreamer-sdp-sys"
-version = "0.23.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de44d5e90138ac1786a6418a38c73d9a78ee0d15680129f09f91df5309d658e0"
-dependencies = [
- "glib-sys",
- "gstreamer-sys",
- "libc",
- "system-deps 7.0.5",
-]
-
-[[package]]
-name = "gstreamer-sys"
-version = "0.23.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "feea73b4d92dbf9c24a203c9cd0bcc740d584f6b5960d5faf359febf288919b2"
-dependencies = [
- "glib-sys",
- "gobject-sys",
- "libc",
- "system-deps 7.0.5",
-]
-
-[[package]]
-name = "gstreamer-webrtc"
-version = "0.23.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4c475e2fa45c6c14b971e2ac40e7bae035f19592cac68c391d12eb659fd1722b"
-dependencies = [
- "glib",
- "gstreamer",
- "gstreamer-sdp",
- "gstreamer-webrtc-sys",
- "libc",
-]
-
-[[package]]
-name = "gstreamer-webrtc-sys"
-version = "0.23.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2c0ce6dd5e17757933233bf3fce2226eb2e8c06ec2325c2459a1022ae1d7d279"
-dependencies = [
- "glib-sys",
- "gstreamer-sdp-sys",
- "gstreamer-sys",
- "libc",
- "system-deps 7.0.5",
-]
-
 [[package]]
 name = "half"
 version = "2.6.0"
@@ -3193,7 +3029,7 @@ dependencies = [
  "libspa-sys",
  "nix 0.27.1",
  "nom",
- "system-deps 6.2.2",
+ "system-deps",
 ]
 
 [[package]]
@@ -3204,7 +3040,7 @@ checksum = "bf0d9716420364790e85cbb9d3ac2c950bde16a7dd36f3209b7dfdfc4a24d01f"
 dependencies = [
  "bindgen 0.69.5",
  "cc",
- "system-deps 6.2.2",
+ "system-deps",
 ]
 
 [[package]]
@@ -3445,12 +3281,6 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
-[[package]]
-name = "muldiv"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "956787520e75e9bd233246045d19f42fb73242759cc57fba9611d940ae96d4b0"
-
 [[package]]
 name = "ndk"
 version = "0.9.0"
@@ -4034,15 +3864,6 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
-[[package]]
-name = "option-operations"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c26d27bb1aeab65138e4bf7666045169d1717febcc9ff870166be8348b223d0"
-dependencies = [
- "paste",
-]
-
 [[package]]
 name = "orbclient"
 version = "0.3.48"
@@ -4235,7 +4056,7 @@ checksum = "849e188f90b1dda88fe2bfe1ad31fe5f158af2c98f80fb5d13726c44f3f01112"
 dependencies = [
  "bindgen 0.69.5",
  "libspa-sys",
- "system-deps 6.2.2",
+ "system-deps",
 ]
 
 [[package]]
@@ -4511,7 +4332,7 @@ dependencies = [
  "rand",
  "rand_chacha",
  "simd_helpers",
- "system-deps 6.2.2",
+ "system-deps",
  "thiserror 1.0.69",
  "v_frame",
  "wasm-bindgen",
@@ -5443,20 +5264,7 @@ version = "6.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a3e535eb8dded36d55ec13eddacd30dec501792ff23a0b1682c38601b8cf2349"
 dependencies = [
- "cfg-expr 0.15.8",
- "heck",
- "pkg-config",
- "toml",
- "version-compare",
-]
-
-[[package]]
-name = "system-deps"
-version = "7.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e4be53aa0cba896d2dc615bd42bbc130acdcffa239e0a2d965ea5b3b2a86ffdb"
-dependencies = [
- "cfg-expr 0.20.0",
+ "cfg-expr",
  "heck",
  "pkg-config",
  "toml",
@@ -5492,12 +5300,6 @@ version = "0.12.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "61c41af27dd6d1e27b1b16b489db798443478cef1f06a660c96db617ba5de3b1"
 
-[[package]]
-name = "target-lexicon"
-version = "0.13.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e502f78cdbb8ba4718f566c418c52bc729126ffd16baee5baa718cf25dd5a69a"
-
 [[package]]
 name = "tempfile"
 version = "3.20.0"
@@ -5531,7 +5333,6 @@ name = "tgp"
 version = "0.1.0"
 dependencies = [
  "anyhow",
- "gstreamer-webrtc",
  "scap",
  "slint",
  "slint-build",
diff --git a/ui/main.slint b/ui/main.slint
index 022f29e..bbbe201 100644
--- a/ui/main.slint
+++ b/ui/main.slint
@@ -1,6 +1,20 @@
+import { Button, VerticalBox } from "std-widgets.slint";
 export component App inherits Window {
-    preferred-width: 800px;
-    preferred-height: 1280px;
-    title: "Slint test";
-    background: Colors.royalblue;
-}
+ 
+    in-out property<int> lobotomised: 0;
+
+    VerticalBox {
+        label := Text {
+            text: "Press button to lobotomise one rust programmer";
+            font-family: "Consolas";
+            font-size: 60px;
+        }
+        Button {
+            text: "Click Me";
+            clicked => {
+                root.lobotomised += 1;
+                label.text = lobotomised + " rust programmers lobotomised";
+            }
+        }
+    }
+}
\ No newline at end of file