diff --git a/docs/egui_demo_app.js b/docs/egui_demo_app.js
index 983239e0..0a0508ea 100644
--- a/docs/egui_demo_app.js
+++ b/docs/egui_demo_app.js
@@ -222,9 +222,13 @@ function makeMutClosure(arg0, arg1, dtor, f) {
     return real;
 }
 function __wbg_adapter_28(arg0, arg1) {
+    wasm._dyn_core__ops__function__FnMut_____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__hc6ad438da3f831e2(arg0, arg1);
+}
+
+function __wbg_adapter_31(arg0, arg1) {
     try {
         const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
-        wasm._dyn_core__ops__function__FnMut_____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__h19340d09680f5ee3(retptr, arg0, arg1);
+        wasm._dyn_core__ops__function__FnMut_____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__hf1854a27b0ecbf26(retptr, arg0, arg1);
         var r0 = getInt32Memory0()[retptr / 4 + 0];
         var r1 = getInt32Memory0()[retptr / 4 + 1];
         if (r1) {
@@ -235,8 +239,8 @@ function __wbg_adapter_28(arg0, arg1) {
     }
 }
 
-function __wbg_adapter_31(arg0, arg1, arg2) {
-    wasm._dyn_core__ops__function__FnMut__A____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__h9fbcfb319cb46254(arg0, arg1, addHeapObject(arg2));
+function __wbg_adapter_34(arg0, arg1, arg2) {
+    wasm._dyn_core__ops__function__FnMut__A____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__hcb7851aded7de194(arg0, arg1, addHeapObject(arg2));
 }
 
 function makeClosure(arg0, arg1, dtor, f) {
@@ -260,46 +264,14 @@ function makeClosure(arg0, arg1, dtor, f) {
 
     return real;
 }
-function __wbg_adapter_34(arg0, arg1, arg2) {
-    wasm._dyn_core__ops__function__Fn__A____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__h54f5f38e061a8954(arg0, arg1, addHeapObject(arg2));
+function __wbg_adapter_37(arg0, arg1, arg2) {
+    wasm._dyn_core__ops__function__Fn__A____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__ha8ee2f745fefd7ba(arg0, arg1, addHeapObject(arg2));
 }
 
-function __wbg_adapter_39(arg0, arg1, arg2) {
-    wasm._dyn_core__ops__function__FnMut__A____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__h069ca83408af7cd5(arg0, arg1, addHeapObject(arg2));
+function __wbg_adapter_42(arg0, arg1, arg2) {
+    wasm._dyn_core__ops__function__FnMut__A____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__h523e9e4c396071c8(arg0, arg1, addHeapObject(arg2));
 }
 
-/**
-*/
-__exports.init_wasm_hooks = function() {
-    wasm.init_wasm_hooks();
-};
-
-/**
-* @param {string} canvas_id
-* @returns {Promise<WebHandle>}
-*/
-__exports.start_separate = function(canvas_id) {
-    const ptr0 = passStringToWasm0(canvas_id, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
-    const len0 = WASM_VECTOR_LEN;
-    const ret = wasm.start_separate(ptr0, len0);
-    return takeObject(ret);
-};
-
-/**
-* This is the entry-point for all the web-assembly.
-* This is called once from the HTML.
-* It loads the app, installs some callbacks, then returns.
-* You can add more callbacks like this if you want to call in to your code.
-* @param {string} canvas_id
-* @returns {Promise<WebHandle>}
-*/
-__exports.start = function(canvas_id) {
-    const ptr0 = passStringToWasm0(canvas_id, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
-    const len0 = WASM_VECTOR_LEN;
-    const ret = wasm.start(ptr0, len0);
-    return takeObject(ret);
-};
-
 function handleError(f, args) {
     try {
         return f.apply(this, args);
@@ -307,8 +279,8 @@ function handleError(f, args) {
         wasm.__wbindgen_exn_store(addHeapObject(e));
     }
 }
-function __wbg_adapter_579(arg0, arg1, arg2, arg3) {
-    wasm.wasm_bindgen__convert__closures__invoke2_mut__hc687418ac2afaba1(arg0, arg1, addHeapObject(arg2), addHeapObject(arg3));
+function __wbg_adapter_586(arg0, arg1, arg2, arg3) {
+    wasm.wasm_bindgen__convert__closures__invoke2_mut__h125af29ab38d9781(arg0, arg1, addHeapObject(arg2), addHeapObject(arg3));
 }
 
 /**
@@ -334,27 +306,67 @@ class WebHandle {
         wasm.__wbg_webhandle_free(ptr);
     }
     /**
+    * This is the entry-point for all the web-assembly.
+    *
+    * This is called once from the HTML.
+    * It loads the app, installs some callbacks, then returns.
+    * @param {string} canvas_id
     */
-    stop_web() {
+    constructor(canvas_id) {
+        const ptr0 = passStringToWasm0(canvas_id, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len0 = WASM_VECTOR_LEN;
+        const ret = wasm.webhandle_new(ptr0, len0);
+        return takeObject(ret);
+    }
+    /**
+    */
+    destroy() {
+        wasm.webhandle_destroy(this.ptr);
+    }
+    /**
+    * @returns {boolean}
+    */
+    has_panicked() {
+        const ret = wasm.webhandle_has_panicked(this.ptr);
+        return ret !== 0;
+    }
+    /**
+    * @returns {string | undefined}
+    */
+    panic_message() {
         try {
             const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
-            wasm.webhandle_stop_web(retptr, this.ptr);
+            wasm.webhandle_panic_message(retptr, this.ptr);
             var r0 = getInt32Memory0()[retptr / 4 + 0];
             var r1 = getInt32Memory0()[retptr / 4 + 1];
-            if (r1) {
-                throw takeObject(r0);
+            let v0;
+            if (r0 !== 0) {
+                v0 = getStringFromWasm0(r0, r1).slice();
+                wasm.__wbindgen_free(r0, r1 * 1);
             }
+            return v0;
         } finally {
             wasm.__wbindgen_add_to_stack_pointer(16);
         }
     }
     /**
-    * @param {string} _some_data
+    * @returns {string | undefined}
     */
-    set_some_content_from_javascript(_some_data) {
-        const ptr0 = passStringToWasm0(_some_data, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
-        const len0 = WASM_VECTOR_LEN;
-        wasm.webhandle_set_some_content_from_javascript(this.ptr, ptr0, len0);
+    panic_callstack() {
+        try {
+            const retptr = wasm.__wbindgen_add_to_stack_pointer(-16);
+            wasm.webhandle_panic_callstack(retptr, this.ptr);
+            var r0 = getInt32Memory0()[retptr / 4 + 0];
+            var r1 = getInt32Memory0()[retptr / 4 + 1];
+            let v0;
+            if (r0 !== 0) {
+                v0 = getStringFromWasm0(r0, r1).slice();
+                wasm.__wbindgen_free(r0, r1 * 1);
+            }
+            return v0;
+        } finally {
+            wasm.__wbindgen_add_to_stack_pointer(16);
+        }
     }
 }
 __exports.WebHandle = WebHandle;
@@ -393,17 +405,13 @@ async function load(module, imports) {
 function getImports() {
     const imports = {};
     imports.wbg = {};
-    imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
-        takeObject(arg0);
-    };
-    imports.wbg.__wbindgen_string_new = function(arg0, arg1) {
-        const ret = getStringFromWasm0(arg0, arg1);
-        return addHeapObject(ret);
-    };
     imports.wbg.__wbg_webhandle_new = function(arg0) {
         const ret = WebHandle.__wrap(arg0);
         return addHeapObject(ret);
     };
+    imports.wbg.__wbindgen_object_drop_ref = function(arg0) {
+        takeObject(arg0);
+    };
     imports.wbg.__wbindgen_cb_drop = function(arg0) {
         const obj = takeObject(arg0).original;
         if (obj.cnt-- == 1) {
@@ -413,31 +421,10 @@ function getImports() {
         const ret = false;
         return ret;
     };
-    imports.wbg.__wbg_log_c9486ca5d8e2cbe8 = function(arg0, arg1) {
-        try {
-            console.log(getStringFromWasm0(arg0, arg1));
-        } finally {
-            wasm.__wbindgen_free(arg0, arg1);
-        }
+    imports.wbg.__wbindgen_string_new = function(arg0, arg1) {
+        const ret = getStringFromWasm0(arg0, arg1);
+        return addHeapObject(ret);
     };
-    imports.wbg.__wbg_log_aba5996d9bde071f = function(arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) {
-        try {
-            console.log(getStringFromWasm0(arg0, arg1), getStringFromWasm0(arg2, arg3), getStringFromWasm0(arg4, arg5), getStringFromWasm0(arg6, arg7));
-        } finally {
-            wasm.__wbindgen_free(arg0, arg1);
-        }
-    };
-    imports.wbg.__wbg_mark_40e050a77cc39fea = function(arg0, arg1) {
-        performance.mark(getStringFromWasm0(arg0, arg1));
-    };
-    imports.wbg.__wbg_measure_aa7a73f17813f708 = function() { return handleError(function (arg0, arg1, arg2, arg3) {
-        try {
-            performance.measure(getStringFromWasm0(arg0, arg1), getStringFromWasm0(arg2, arg3));
-        } finally {
-            wasm.__wbindgen_free(arg0, arg1);
-            wasm.__wbindgen_free(arg2, arg3);
-        }
-    }, arguments) };
     imports.wbg.__wbg_new_abda76e883ba8a5f = function() {
         const ret = new Error();
         return addHeapObject(ret);
@@ -464,16 +451,46 @@ function getImports() {
         getInt32Memory0()[arg0 / 4 + 1] = len0;
         getInt32Memory0()[arg0 / 4 + 0] = ptr0;
     };
-    imports.wbg.__wbindgen_object_clone_ref = function(arg0) {
-        const ret = getObject(arg0);
-        return addHeapObject(ret);
-    };
     imports.wbg.__wbindgen_number_get = function(arg0, arg1) {
         const obj = getObject(arg1);
         const ret = typeof(obj) === 'number' ? obj : undefined;
         getFloat64Memory0()[arg0 / 8 + 1] = isLikeNone(ret) ? 0 : ret;
         getInt32Memory0()[arg0 / 4 + 0] = !isLikeNone(ret);
     };
+    imports.wbg.__wbg_trace_8d8f961bba04f90a = function(arg0, arg1) {
+        console.trace(getStringFromWasm0(arg0, arg1));
+    };
+    imports.wbg.__wbg_debug_7fc527041707e16e = function(arg0, arg1) {
+        console.debug(getStringFromWasm0(arg0, arg1));
+    };
+    imports.wbg.__wbg_info_e495fa41540a3eaa = function(arg0, arg1) {
+        console.info(getStringFromWasm0(arg0, arg1));
+    };
+    imports.wbg.__wbg_warn_8b4e19d4032139f0 = function(arg0, arg1) {
+        console.warn(getStringFromWasm0(arg0, arg1));
+    };
+    imports.wbg.__wbg_error_e62b64b85c2bc545 = function(arg0, arg1) {
+        try {
+            console.error(getStringFromWasm0(arg0, arg1));
+        } finally {
+            wasm.__wbindgen_free(arg0, arg1);
+        }
+    };
+    imports.wbg.__wbg_new_40620131643ca1cf = function() {
+        const ret = new Error();
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_stack_e3e173f66e044a69 = function(arg0, arg1) {
+        const ret = getObject(arg1).stack;
+        const ptr0 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        const len0 = WASM_VECTOR_LEN;
+        getInt32Memory0()[arg0 / 4 + 1] = len0;
+        getInt32Memory0()[arg0 / 4 + 0] = ptr0;
+    };
+    imports.wbg.__wbindgen_object_clone_ref = function(arg0) {
+        const ret = getObject(arg0);
+        return addHeapObject(ret);
+    };
     imports.wbg.__wbindgen_boolean_get = function(arg0) {
         const v = getObject(arg0);
         const ret = typeof(v) === 'boolean' ? (v ? 1 : 0) : 2;
@@ -734,6 +751,9 @@ function getImports() {
         const ret = getObject(arg0).setTimeout(getObject(arg1), arg2);
         return ret;
     }, arguments) };
+    imports.wbg.__wbg_setProperty_21e2e7868b86a93e = function() { return handleError(function (arg0, arg1, arg2, arg3, arg4) {
+        getObject(arg0).setProperty(getStringFromWasm0(arg1, arg2), getStringFromWasm0(arg3, arg4));
+    }, arguments) };
     imports.wbg.__wbg_width_f0cbf7dcbbe056da = function(arg0) {
         const ret = getObject(arg0).width;
         return ret;
@@ -851,16 +871,6 @@ function getImports() {
         const ret = getObject(arg0).button;
         return ret;
     };
-    imports.wbg.__wbg_bindVertexArrayOES_688eba003a98a0bb = function(arg0, arg1) {
-        getObject(arg0).bindVertexArrayOES(getObject(arg1));
-    };
-    imports.wbg.__wbg_createVertexArrayOES_02cfe655604046eb = function(arg0) {
-        const ret = getObject(arg0).createVertexArrayOES();
-        return isLikeNone(ret) ? 0 : addHeapObject(ret);
-    };
-    imports.wbg.__wbg_deleteVertexArrayOES_ba22911f739464a7 = function(arg0, arg1) {
-        getObject(arg0).deleteVertexArrayOES(getObject(arg1));
-    };
     imports.wbg.__wbg_instanceof_Response_fb3a4df648c1859b = function(arg0) {
         let result;
         try {
@@ -917,6 +927,16 @@ function getImports() {
         const ret = getObject(arg0).matches;
         return ret;
     };
+    imports.wbg.__wbg_bindVertexArrayOES_688eba003a98a0bb = function(arg0, arg1) {
+        getObject(arg0).bindVertexArrayOES(getObject(arg1));
+    };
+    imports.wbg.__wbg_createVertexArrayOES_02cfe655604046eb = function(arg0) {
+        const ret = getObject(arg0).createVertexArrayOES();
+        return isLikeNone(ret) ? 0 : addHeapObject(ret);
+    };
+    imports.wbg.__wbg_deleteVertexArrayOES_ba22911f739464a7 = function(arg0, arg1) {
+        getObject(arg0).deleteVertexArrayOES(getObject(arg1));
+    };
     imports.wbg.__wbg_voiceURI_50a1a7f3e73df7b5 = function(arg0, arg1) {
         const ret = getObject(arg1).voiceURI;
         const ptr0 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
@@ -942,20 +962,16 @@ function getImports() {
         const ret = getObject(arg0).default;
         return ret;
     };
+    imports.wbg.__wbg_writeText_eb90459f8e0f70d4 = function(arg0, arg1, arg2) {
+        const ret = getObject(arg0).writeText(getStringFromWasm0(arg1, arg2));
+        return addHeapObject(ret);
+    };
     imports.wbg.__wbg_addEventListener_615d4590d38da1c9 = function() { return handleError(function (arg0, arg1, arg2, arg3) {
         getObject(arg0).addEventListener(getStringFromWasm0(arg1, arg2), getObject(arg3));
     }, arguments) };
     imports.wbg.__wbg_removeEventListener_86fd19ed073cd1ed = function() { return handleError(function (arg0, arg1, arg2, arg3) {
         getObject(arg0).removeEventListener(getStringFromWasm0(arg1, arg2), getObject(arg3));
     }, arguments) };
-    imports.wbg.__wbg_now_c644db5194be8437 = function(arg0) {
-        const ret = getObject(arg0).now();
-        return ret;
-    };
-    imports.wbg.__wbg_writeText_eb90459f8e0f70d4 = function(arg0, arg1, arg2) {
-        const ret = getObject(arg0).writeText(getStringFromWasm0(arg1, arg2));
-        return addHeapObject(ret);
-    };
     imports.wbg.__wbg_items_6415b6b2cd06ac5f = function(arg0) {
         const ret = getObject(arg0).items;
         return addHeapObject(ret);
@@ -1003,6 +1019,14 @@ function getImports() {
         const ret = getObject(arg0).getContext(getStringFromWasm0(arg1, arg2));
         return isLikeNone(ret) ? 0 : addHeapObject(ret);
     }, arguments) };
+    imports.wbg.__wbg_matches_46e979ff3e4d0811 = function(arg0) {
+        const ret = getObject(arg0).matches;
+        return ret;
+    };
+    imports.wbg.__wbg_now_c644db5194be8437 = function(arg0) {
+        const ret = getObject(arg0).now();
+        return ret;
+    };
     imports.wbg.__wbg_headers_ab5251d2727ac41e = function(arg0) {
         const ret = getObject(arg0).headers;
         return addHeapObject(ret);
@@ -1011,20 +1035,6 @@ function getImports() {
         const ret = new Request(getStringFromWasm0(arg0, arg1), getObject(arg2));
         return addHeapObject(ret);
     }, arguments) };
-    imports.wbg.__wbg_speaking_d3643e1a85c1fe5c = function(arg0) {
-        const ret = getObject(arg0).speaking;
-        return ret;
-    };
-    imports.wbg.__wbg_cancel_b44993f4172cdd72 = function(arg0) {
-        getObject(arg0).cancel();
-    };
-    imports.wbg.__wbg_getVoices_2c3cde6ab65c37fe = function(arg0) {
-        const ret = getObject(arg0).getVoices();
-        return addHeapObject(ret);
-    };
-    imports.wbg.__wbg_speak_fbccfbc0d3610d0b = function(arg0, arg1) {
-        getObject(arg0).speak(getObject(arg1));
-    };
     imports.wbg.__wbg_body_be46234bb33edd63 = function(arg0) {
         const ret = getObject(arg0).body;
         return isLikeNone(ret) ? 0 : addHeapObject(ret);
@@ -1044,14 +1054,6 @@ function getImports() {
         const ret = getObject(arg0).scrollLeft;
         return ret;
     };
-    imports.wbg.__wbg_scrollWidth_9e314e378104f5e7 = function(arg0) {
-        const ret = getObject(arg0).scrollWidth;
-        return ret;
-    };
-    imports.wbg.__wbg_scrollHeight_713c7ba485141495 = function(arg0) {
-        const ret = getObject(arg0).scrollHeight;
-        return ret;
-    };
     imports.wbg.__wbg_clientWidth_1fa51f20a3bebbbf = function(arg0) {
         const ret = getObject(arg0).clientWidth;
         return ret;
@@ -1335,6 +1337,20 @@ function getImports() {
         getInt32Memory0()[arg0 / 4 + 1] = len0;
         getInt32Memory0()[arg0 / 4 + 0] = ptr0;
     }, arguments) };
+    imports.wbg.__wbg_speaking_d3643e1a85c1fe5c = function(arg0) {
+        const ret = getObject(arg0).speaking;
+        return ret;
+    };
+    imports.wbg.__wbg_cancel_b44993f4172cdd72 = function(arg0) {
+        getObject(arg0).cancel();
+    };
+    imports.wbg.__wbg_getVoices_2c3cde6ab65c37fe = function(arg0) {
+        const ret = getObject(arg0).getVoices();
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_speak_fbccfbc0d3610d0b = function(arg0, arg1) {
+        getObject(arg0).speak(getObject(arg1));
+    };
     imports.wbg.__wbg_identifier_3e06c0d82cde247d = function(arg0) {
         const ret = getObject(arg0).identifier;
         return ret;
@@ -1361,6 +1377,45 @@ function getImports() {
     imports.wbg.__wbg_stopPropagation_7647c9985222f9b0 = function(arg0) {
         getObject(arg0).stopPropagation();
     };
+    imports.wbg.__wbg_parentElement_0e8c9afce5cb9d6e = function(arg0) {
+        const ret = getObject(arg0).parentElement;
+        return isLikeNone(ret) ? 0 : addHeapObject(ret);
+    };
+    imports.wbg.__wbg_appendChild_b8199dc1655c852d = function() { return handleError(function (arg0, arg1) {
+        const ret = getObject(arg0).appendChild(getObject(arg1));
+        return addHeapObject(ret);
+    }, arguments) };
+    imports.wbg.__wbg_touches_0014fdd3c869de3b = function(arg0) {
+        const ret = getObject(arg0).touches;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_changedTouches_41490ec78db4414d = function(arg0) {
+        const ret = getObject(arg0).changedTouches;
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_size_88fc46d83abb907c = function(arg0) {
+        const ret = getObject(arg0).size;
+        return ret;
+    };
+    imports.wbg.__wbg_arrayBuffer_a767ad7c28b781f8 = function(arg0) {
+        const ret = getObject(arg0).arrayBuffer();
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbg_data_70b505c651722930 = function(arg0, arg1) {
+        const ret = getObject(arg1).data;
+        var ptr0 = isLikeNone(ret) ? 0 : passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
+        var len0 = WASM_VECTOR_LEN;
+        getInt32Memory0()[arg0 / 4 + 1] = len0;
+        getInt32Memory0()[arg0 / 4 + 0] = ptr0;
+    };
+    imports.wbg.__wbg_top_98bc5382de3ec5d2 = function(arg0) {
+        const ret = getObject(arg0).top;
+        return ret;
+    };
+    imports.wbg.__wbg_left_09342c290d46b4a6 = function(arg0) {
+        const ret = getObject(arg0).left;
+        return ret;
+    };
     imports.wbg.__wbg_href_bb86bb94d1c6861b = function() { return handleError(function (arg0, arg1) {
         const ret = getObject(arg1).href;
         const ptr0 = passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
@@ -1417,48 +1472,6 @@ function getImports() {
         getInt32Memory0()[arg0 / 4 + 1] = len0;
         getInt32Memory0()[arg0 / 4 + 0] = ptr0;
     }, arguments) };
-    imports.wbg.__wbg_parentElement_0e8c9afce5cb9d6e = function(arg0) {
-        const ret = getObject(arg0).parentElement;
-        return isLikeNone(ret) ? 0 : addHeapObject(ret);
-    };
-    imports.wbg.__wbg_appendChild_b8199dc1655c852d = function() { return handleError(function (arg0, arg1) {
-        const ret = getObject(arg0).appendChild(getObject(arg1));
-        return addHeapObject(ret);
-    }, arguments) };
-    imports.wbg.__wbg_touches_0014fdd3c869de3b = function(arg0) {
-        const ret = getObject(arg0).touches;
-        return addHeapObject(ret);
-    };
-    imports.wbg.__wbg_changedTouches_41490ec78db4414d = function(arg0) {
-        const ret = getObject(arg0).changedTouches;
-        return addHeapObject(ret);
-    };
-    imports.wbg.__wbg_size_88fc46d83abb907c = function(arg0) {
-        const ret = getObject(arg0).size;
-        return ret;
-    };
-    imports.wbg.__wbg_arrayBuffer_a767ad7c28b781f8 = function(arg0) {
-        const ret = getObject(arg0).arrayBuffer();
-        return addHeapObject(ret);
-    };
-    imports.wbg.__wbg_data_70b505c651722930 = function(arg0, arg1) {
-        const ret = getObject(arg1).data;
-        var ptr0 = isLikeNone(ret) ? 0 : passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
-        var len0 = WASM_VECTOR_LEN;
-        getInt32Memory0()[arg0 / 4 + 1] = len0;
-        getInt32Memory0()[arg0 / 4 + 0] = ptr0;
-    };
-    imports.wbg.__wbg_setProperty_21e2e7868b86a93e = function() { return handleError(function (arg0, arg1, arg2, arg3, arg4) {
-        getObject(arg0).setProperty(getStringFromWasm0(arg1, arg2), getStringFromWasm0(arg3, arg4));
-    }, arguments) };
-    imports.wbg.__wbg_top_98bc5382de3ec5d2 = function(arg0) {
-        const ret = getObject(arg0).top;
-        return ret;
-    };
-    imports.wbg.__wbg_left_09342c290d46b4a6 = function(arg0) {
-        const ret = getObject(arg0).left;
-        return ret;
-    };
     imports.wbg.__wbg_getItem_f0d43fc4e780b652 = function() { return handleError(function (arg0, arg1, arg2, arg3) {
         const ret = getObject(arg1).getItem(getStringFromWasm0(arg2, arg3));
         var ptr0 = isLikeNone(ret) ? 0 : passStringToWasm0(ret, wasm.__wbindgen_malloc, wasm.__wbindgen_realloc);
@@ -1565,7 +1578,7 @@ function getImports() {
                 const a = state0.a;
                 state0.a = 0;
                 try {
-                    return __wbg_adapter_579(a, state0.b, arg0, arg1);
+                    return __wbg_adapter_586(a, state0.b, arg0, arg1);
                 } finally {
                     state0.a = a;
                 }
@@ -1649,24 +1662,28 @@ function getImports() {
         const ret = wasm.memory;
         return addHeapObject(ret);
     };
-    imports.wbg.__wbindgen_closure_wrapper3268 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 1156, __wbg_adapter_28);
+    imports.wbg.__wbindgen_closure_wrapper2873 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 981, __wbg_adapter_28);
         return addHeapObject(ret);
     };
-    imports.wbg.__wbindgen_closure_wrapper3269 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 1156, __wbg_adapter_31);
+    imports.wbg.__wbindgen_closure_wrapper2874 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 981, __wbg_adapter_31);
         return addHeapObject(ret);
     };
-    imports.wbg.__wbindgen_closure_wrapper3410 = function(arg0, arg1, arg2) {
-        const ret = makeClosure(arg0, arg1, 1236, __wbg_adapter_34);
+    imports.wbg.__wbindgen_closure_wrapper2877 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 981, __wbg_adapter_34);
         return addHeapObject(ret);
     };
-    imports.wbg.__wbindgen_closure_wrapper3412 = function(arg0, arg1, arg2) {
-        const ret = makeClosure(arg0, arg1, 1236, __wbg_adapter_34);
+    imports.wbg.__wbindgen_closure_wrapper3275 = function(arg0, arg1, arg2) {
+        const ret = makeClosure(arg0, arg1, 1143, __wbg_adapter_37);
         return addHeapObject(ret);
     };
-    imports.wbg.__wbindgen_closure_wrapper3460 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 1262, __wbg_adapter_39);
+    imports.wbg.__wbindgen_closure_wrapper3277 = function(arg0, arg1, arg2) {
+        const ret = makeClosure(arg0, arg1, 1143, __wbg_adapter_37);
+        return addHeapObject(ret);
+    };
+    imports.wbg.__wbindgen_closure_wrapper3320 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 1166, __wbg_adapter_42);
         return addHeapObject(ret);
     };
 
diff --git a/docs/egui_demo_app_bg.wasm b/docs/egui_demo_app_bg.wasm
index 4b0b3656..17b47834 100644
Binary files a/docs/egui_demo_app_bg.wasm and b/docs/egui_demo_app_bg.wasm differ