change name function to lower case

hui/src/element.rs

@@ -40,7 +40,9 @@ pub struct ProcessContext<'a> {
 }
 
 pub trait UiElement {
-  /// Get the name of the element, for example "Button" or "ProgressBar"
+  /// Get the name of the element (in lower case)
+  ///
+  /// For example, "button" or "progress_bar"
   fn name(&self) -> &'static str;
 
   /// Get the unique id used for internal state management\

hui/src/element/builtin/br.rs

@@ -8,7 +8,7 @@ pub struct Break;
 
 impl UiElement for Break {
   fn name(&self) -> &'static str {
-    "Break"
+    "break"
   }
 
   fn measure(&self, _: MeasureContext) -> Response {

hui/src/element/builtin/container.rs

@@ -133,7 +133,7 @@ impl Container {
 
 impl UiElement for Container {
   fn name(&self) -> &'static str {
-    "Container"
+    "container"
   }
 
   fn measure(&self, ctx: MeasureContext) -> Response {

hui/src/element/builtin/fill_rect.rs

@@ -40,7 +40,7 @@ impl Default for FillRect {
 
 impl UiElement for FillRect {
   fn name(&self) -> &'static str {
-    "FillRect"
+    "fill_rect"
   }
 
   fn measure(&self, ctx: MeasureContext) -> Response {

hui/src/element/builtin/image.rs

@@ -51,7 +51,7 @@ impl Image {
 
 impl UiElement for Image {
   fn name(&self) -> &'static str {
-    "Image"
+    "image"
   }
 
   fn measure(&self, ctx: MeasureContext) -> Response {

hui/src/element/builtin/interactable.rs

@@ -45,7 +45,7 @@ impl Interactable {
 
 impl UiElement for Interactable {
   fn name(&self) -> &'static str {
-    "Interactable"
+    "interactable"
   }
 
   fn measure(&self, ctx: MeasureContext) -> crate::measure::Response {

hui/src/element/builtin/progress_bar.rs

@@ -49,7 +49,7 @@ impl Default for ProgressBar {
 
 impl UiElement for ProgressBar {
   fn name(&self) -> &'static str {
-    "ProgressBar"
+    "progress_bar"
   }
 
   fn measure(&self, ctx: MeasureContext) -> Response {

hui/src/element/builtin/slider.rs

@@ -103,7 +103,7 @@ impl Slider {
 
 impl UiElement for Slider {
   fn name(&self) -> &'static str {
-    "Slider"
+    "slider"
   }
 
   fn measure(&self, ctx: MeasureContext) -> Response {

hui/src/element/builtin/spacer.rs

@@ -19,7 +19,7 @@ impl Default for Spacer {
 
 impl UiElement for Spacer {
   fn name(&self) -> &'static str {
-    "Spacer"
+    "spacer"
   }
 
   fn measure(&self, ctx: MeasureContext) -> Response {

hui/src/element/builtin/text.rs

@@ -71,7 +71,7 @@ impl Text {
 
 impl UiElement for Text {
   fn name(&self) -> &'static str {
-    "Text"
+    "text"
   }
 
   fn measure(&self, ctx: MeasureContext) -> Response {

hui/src/element/builtin/transformer.rs

@@ -38,7 +38,7 @@ impl Transformer {
 
 impl UiElement for Transformer {
   fn name(&self) -> &'static str {
-    "Transformer"
+    "transformer"
   }
 
   fn measure(&self, ctx: MeasureContext) -> Response {