Conditional Rendering WORKS!

src/controls/button.rs

@@ -1,6 +1,9 @@
-use super::{BuilderFn, ControlRenderData};
+use super::{BuilderFn, ControlRenderData, ShowWhenFn};
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
+use leptos::view;
 use leptos::RwSignal;
+use leptos::Show;
+use leptos::Signal;
 use std::rc::Rc;
 use web_sys::MouseEvent;
 
@@ -36,9 +39,24 @@ impl<FD: FormToolData> FormBuilder<FD> {
             data: control.data,
             styles: control.styles,
         };
+        let show_when = control.show_when;
 
-        let render_fn = move |fs: &FD::Style, fd: RwSignal<FD>| {
+        let cx = self.cx.clone();
-            let view = fs.button(render_data, fd);
+        let render_fn = move |fs: Rc<FD::Style>, fd: RwSignal<FD>| {
+            let render_data = Rc::new(render_data);
+            // let cloned_fs = fs.clone();
+            let view = move || fs.clone().button(render_data.clone(), fd);
+            let view = match show_when {
+                Some(when) => {
+                    let when = move || when(fd.into(), cx.clone());
+                    view! {
+                        <Show when=when>
+                            {view.clone()}
+                        </Show>
+                    }
+                }
+                None => view(),
+            };
             (view, None)
         };
         self.render_fns.push(Box::new(render_fn));
@@ -50,6 +68,7 @@ impl<FD: FormToolData> FormBuilder<FD> {
 pub struct ButtonBuilder<FD: FormToolData> {
     pub(crate) styles: Vec<<FD::Style as FormStyle>::StylingAttributes>,
     pub(crate) data: ButtonData<FD>,
+    pub(crate) show_when: Option<Box<dyn ShowWhenFn<FD, FD::Context>>>,
 }
 
 impl<FD: FormToolData> ButtonBuilder<FD> {
@@ -57,9 +76,21 @@ impl<FD: FormToolData> ButtonBuilder<FD> {
         ButtonBuilder {
             styles: Vec::default(),
             data: ButtonData::default(),
+            show_when: None,
         }
     }
 
+    /// Sets the function to decide when to render the control.
+    ///
+    /// Validations for components that are not shown DO NOT run.
+    pub fn show_when(
+        mut self,
+        when: impl Fn(Signal<FD>, Rc<FD::Context>) -> bool + 'static,
+    ) -> Self {
+        self.show_when = Some(Box::new(when));
+        self
+    }
+
     pub fn style(mut self, style: <FD::Style as FormStyle>::StylingAttributes) -> Self {
         self.styles.push(style);
         self

src/controls/checkbox.rs

@@ -1,6 +1,7 @@
 use super::{BuilderFn, ControlBuilder, ControlData, ControlRenderData};
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
 use leptos::{Signal, View};
+use std::rc::Rc;
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 pub struct CheckboxData {
@@ -13,9 +14,9 @@ impl ControlData for CheckboxData {
 
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         value_getter: Signal<Self::ReturnType>,
-        value_setter: Box<dyn Fn(Self::ReturnType)>,
+        value_setter: Rc<dyn Fn(Self::ReturnType)>,
         _validation_state: Signal<Result<(), String>>,
     ) -> View {
         fs.checkbox(control, value_getter, value_setter)

src/controls/group.rs

@@ -1,4 +1,6 @@
-use super::ValidationCb;
+use std::rc::Rc;
+
+use super::{ControlRenderData, ValidationCb};
 use crate::styles::FormStyle;
 use crate::{form::FormToolData, form_builder::FormBuilder};
 use leptos::{CollectView, RwSignal};
@@ -15,17 +17,20 @@ impl<FD: FormToolData> FormBuilder<FD> {
             self.validations.push(validation);
         }
 
-        let render_fn = move |fs: &FD::Style, fd: RwSignal<FD>| {
+        let render_fn = move |fs: Rc<FD::Style>, fd: RwSignal<FD>| {
             let (views, validation_cbs): (Vec<_>, Vec<_>) = group_builder
                 .render_fns
                 .into_iter()
-                .map(|r_fn| r_fn(fs, fd))
+                .map(|r_fn| r_fn(fs.clone(), fd))
                 .unzip();
 
-            let view = fs.group(super::ControlRenderData {
+            let render_data = Rc::new(ControlRenderData {
                 data: views.collect_view(),
                 styles: group_builder.styles,
             });
+
+            let view = fs.group(render_data.clone());
+
             let validation_cb = move || {
                 let mut success = true;
                 for validation in validation_cbs.iter().flatten() {

src/controls/heading.rs

@@ -1,6 +1,7 @@
 use super::{BuilderFn, ControlRenderData, VanityControlBuilder, VanityControlData};
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
 use leptos::View;
+use std::rc::Rc;
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 pub struct HeadingData {
@@ -10,7 +11,7 @@ pub struct HeadingData {
 impl VanityControlData for HeadingData {
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         _value_getter: Option<leptos::prelude::Signal<String>>,
     ) -> View {
         fs.heading(control)

src/controls/hidden.rs

@@ -3,6 +3,7 @@ use super::{
 };
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
 use leptos::{Signal, View};
+use std::rc::Rc;
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 pub struct HiddenData {
@@ -12,7 +13,7 @@ pub struct HiddenData {
 impl VanityControlData for HiddenData {
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         value_getter: Option<Signal<String>>,
     ) -> View {
         fs.hidden(control, value_getter)

src/controls/mod.rs

@@ -26,8 +26,8 @@ pub trait UnparseFn<CR, FDT>: Fn(FDT) -> CR + 'static {}
 pub trait FieldGetter<FD, FDT>: Fn(FD) -> FDT + 'static {}
 pub trait FieldSetter<FD, FDT>: Fn(&mut FD, FDT) + 'static {}
 pub trait ShowWhenFn<FD: 'static, CX>: Fn(Signal<FD>, Rc<CX>) -> bool + 'static {}
-pub trait RenderFn<FS, FD>:
+pub trait RenderFn<FS, FD: 'static>:
-    FnOnce(&FS, RwSignal<FD>) -> (View, Option<Box<dyn ValidationCb>>) + 'static
+    FnOnce(Rc<FS>, RwSignal<FD>) -> (View, Option<Box<dyn ValidationCb>>) + 'static
 {
 }
 
@@ -40,8 +40,8 @@ impl<CR, FDT, F> UnparseFn<CR, FDT> for F where F: Fn(FDT) -> CR + 'static {}
 impl<FD, FDT, F> FieldGetter<FD, FDT> for F where F: Fn(FD) -> FDT + 'static {}
 impl<FD, FDT, F> FieldSetter<FD, FDT> for F where F: Fn(&mut FD, FDT) + 'static {}
 impl<FD: 'static, CX, F> ShowWhenFn<FD, CX> for F where F: Fn(Signal<FD>, Rc<CX>) -> bool + 'static {}
-impl<FS, FD, F> RenderFn<FS, FD> for F where
+impl<FS, FD: 'static, F> RenderFn<FS, FD> for F where
-    F: FnOnce(&FS, RwSignal<FD>) -> (View, Option<Box<dyn ValidationCb>>) + 'static
+    F: FnOnce(Rc<FS>, RwSignal<FD>) -> (View, Option<Box<dyn ValidationCb>>) + 'static
 {
 }
 
@@ -50,7 +50,7 @@ pub trait VanityControlData: 'static {
     /// Builds the control, returning the [`View`] that was built.
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         value_getter: Option<Signal<String>>,
     ) -> View;
 }
@@ -64,9 +64,9 @@ pub trait ControlData: 'static {
     /// Builds the control, returning the [`View`] that was built.
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         value_getter: Signal<Self::ReturnType>,
-        value_setter: Box<dyn Fn(Self::ReturnType)>,
+        value_setter: Rc<dyn Fn(Self::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View;
 }

src/controls/output.rs

@@ -3,6 +3,7 @@ use super::{
 };
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
 use leptos::{Signal, View};
+use std::rc::Rc;
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 pub struct OutputData;
@@ -10,7 +11,7 @@ pub struct OutputData;
 impl VanityControlData for OutputData {
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         value_getter: Option<Signal<String>>,
     ) -> View {
         fs.output(control, value_getter)

src/controls/radio_buttons.rs

@@ -1,6 +1,7 @@
 use super::{BuilderFn, ControlBuilder, ControlData, ControlRenderData, ValidatedControlData};
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
 use leptos::{Signal, View};
+use std::rc::Rc;
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 pub struct RadioButtonsData {
@@ -14,9 +15,9 @@ impl ControlData for RadioButtonsData {
 
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         value_getter: Signal<Self::ReturnType>,
-        value_setter: Box<dyn Fn(Self::ReturnType)>,
+        value_setter: Rc<dyn Fn(Self::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View {
         fs.radio_buttons(control, value_getter, value_setter, validation_state)

src/controls/select.rs

@@ -1,6 +1,7 @@
 use super::{BuilderFn, ControlBuilder, ControlData, ControlRenderData, ValidatedControlData};
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
 use leptos::{Signal, View};
+use std::rc::Rc;
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 pub struct SelectData {
@@ -17,9 +18,9 @@ impl ControlData for SelectData {
 
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         value_getter: Signal<Self::ReturnType>,
-        value_setter: Box<dyn Fn(Self::ReturnType)>,
+        value_setter: Rc<dyn Fn(Self::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View {
         fs.select(control, value_getter, value_setter, validation_state)

src/controls/slider.rs

@@ -1,7 +1,7 @@
 use super::{BuilderFn, ControlBuilder, ControlData, ControlRenderData};
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
 use leptos::{Signal, View};
-use std::ops::RangeInclusive;
+use std::{ops::RangeInclusive, rc::Rc};
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)]
 pub struct SliderData {
@@ -27,9 +27,9 @@ impl ControlData for SliderData {
 
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         value_getter: Signal<Self::ReturnType>,
-        value_setter: Box<dyn Fn(Self::ReturnType)>,
+        value_setter: Rc<dyn Fn(Self::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View {
         fs.slider(control, value_getter, value_setter, validation_state)

src/controls/spacer.rs

@@ -1,6 +1,7 @@
 use super::{BuilderFn, ControlRenderData, VanityControlBuilder, VanityControlData};
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
 use leptos::{prelude::Signal, View};
+use std::rc::Rc;
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 pub struct SpacerData {
@@ -10,7 +11,7 @@ pub struct SpacerData {
 impl VanityControlData for SpacerData {
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         _value_getter: Option<Signal<String>>,
     ) -> View {
         fs.spacer(control)

src/controls/stepper.rs

@@ -1,7 +1,7 @@
 use super::{BuilderFn, ControlBuilder, ControlData, ControlRenderData, ValidatedControlData};
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
 use leptos::{Signal, View};
-use std::ops::RangeInclusive;
+use std::{ops::RangeInclusive, rc::Rc};
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 pub struct StepperData {
@@ -17,9 +17,9 @@ impl ControlData for StepperData {
 
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         value_getter: Signal<Self::ReturnType>,
-        value_setter: Box<dyn Fn(Self::ReturnType)>,
+        value_setter: Rc<dyn Fn(Self::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View {
         fs.stepper(control, value_getter, value_setter, validation_state)

src/controls/submit.rs

@@ -1,6 +1,7 @@
 use super::{BuilderFn, ControlRenderData, VanityControlBuilder, VanityControlData};
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
 use leptos::{prelude::Signal, View};
+use std::rc::Rc;
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 pub struct SubmitData {
@@ -10,7 +11,7 @@ pub struct SubmitData {
 impl VanityControlData for SubmitData {
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         _value_getter: Option<Signal<String>>,
     ) -> View {
         fs.submit(control)

src/controls/text_area.rs

@@ -1,6 +1,7 @@
 use super::{BuilderFn, ControlBuilder, ControlData, ControlRenderData, ValidatedControlData};
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
 use leptos::{Signal, View};
+use std::rc::Rc;
 
 #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord, Hash, Default)]
 pub struct TextAreaData {
@@ -13,9 +14,9 @@ impl ControlData for TextAreaData {
 
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         value_getter: Signal<Self::ReturnType>,
-        value_setter: Box<dyn Fn(Self::ReturnType)>,
+        value_setter: Rc<dyn Fn(Self::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View {
         fs.text_area(control, value_getter, value_setter, validation_state)

src/controls/text_input.rs

@@ -1,3 +1,5 @@
+use std::rc::Rc;
+
 use super::{BuilderFn, ControlBuilder, ControlData, ControlRenderData, ValidatedControlData};
 use crate::{form::FormToolData, form_builder::FormBuilder, styles::FormStyle};
 use leptos::{Signal, View};
@@ -28,9 +30,9 @@ impl ControlData for TextInputData {
 
     fn build_control<FS: FormStyle>(
         fs: &FS,
-        control: ControlRenderData<FS, Self>,
+        control: Rc<ControlRenderData<FS, Self>>,
         value_getter: Signal<Self::ReturnType>,
-        value_setter: Box<dyn Fn(Self::ReturnType)>,
+        value_setter: Rc<dyn Fn(Self::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View {
         fs.text_input(control, value_getter, value_setter, validation_state)

src/form_builder.rs

@@ -93,19 +93,21 @@ impl<FD: FormToolData> FormBuilder<FD> {
         } = vanity_control.build();
 
         let cx = self.cx.clone();
-        let render_fn = move |fs: &FD::Style, fd: RwSignal<FD>| {
+        let render_fn = move |fs: Rc<FD::Style>, fd: RwSignal<FD>| {
+            let render_data = Rc::new(render_data);
             let value_getter = getter.map(|getter| (move || getter(fd.get())).into_signal());
-            let view = VanityControlData::build_control(fs, render_data, value_getter);
+            let view =
+                move || VanityControlData::build_control(&*fs, render_data.clone(), value_getter);
             let view = match show_when {
                 Some(when) => {
                     let when = move || when(fd.into(), cx.clone());
                     view! {
                         <Show when=when>
-                            {&view}
+                            {view.clone()}
                         </Show>
                     }
                 }
-                None => view,
+                None => view(),
             };
             (view, None)
         };
@@ -128,7 +130,7 @@ impl<FD: FormToolData> FormBuilder<FD> {
         }
 
         let cx = self.cx.clone();
-        let render_fn = move |fs: &FD::Style, fd: RwSignal<FD>| {
+        let render_fn = move |fs: Rc<FD::Style>, fd: RwSignal<FD>| {
             let (view, cb) = Self::build_control_view(fd, fs, built_control_data, cx);
             (view, Some(cb))
         };
@@ -138,7 +140,7 @@ impl<FD: FormToolData> FormBuilder<FD> {
 
     fn build_control_view<C: ControlData, FDT: 'static>(
         fd: RwSignal<FD>,
-        fs: &FD::Style,
+        fs: Rc<FD::Style>,
         control_data: BuiltControlData<FD, C, FDT>,
         cx: Rc<FD::Context>,
     ) -> (View, Box<dyn ValidationCb>) {
@@ -152,6 +154,7 @@ impl<FD: FormToolData> FormBuilder<FD> {
             show_when,
         } = control_data;
 
+        let render_data = Rc::new(render_data);
         let (validation_signal, validation_signal_set) = create_signal(Ok(()));
         let validation_fn_clone = validation_fn.clone();
         let value_getter = move || {
@@ -194,23 +197,25 @@ impl<FD: FormToolData> FormBuilder<FD> {
             fd,
         );
 
-        let view = C::build_control(
+        let view = move || {
-            fs,
+            C::build_control(
-            render_data,
+                &*fs,
-            value_getter,
+                render_data.clone(),
-            value_setter,
+                value_getter,
-            validation_signal.into(),
+                value_setter.clone(),
-        );
+                validation_signal.into(),
+            )
+        };
         let view = match show_when {
             Some(when) => {
                 let when = move || when(fd.into(), cx.clone());
                 view! {
                     <Show when=when>
-                        {&view}
+                        {view.clone()}
                     </Show>
                 }
             }
-            None => view,
+            None => view(),
         };
         (view, validation_cb)
     }
@@ -221,7 +226,7 @@ impl<FD: FormToolData> FormBuilder<FD> {
         parse_fn: Box<dyn ParseFn<CRT, FDT>>,
         setter: Rc<dyn FieldSetter<FD, FDT>>,
         fd: RwSignal<FD>,
-    ) -> Box<dyn Fn(CRT) + 'static> {
+    ) -> Rc<dyn Fn(CRT) + 'static> {
         let value_setter = move |value| {
             let parsed = match parse_fn(value) {
                 Ok(p) => {
@@ -242,7 +247,7 @@ impl<FD: FormToolData> FormBuilder<FD> {
             // run validation
             (validation_cb)();
         };
-        Box::new(value_setter)
+        Rc::new(value_setter)
     }
 
     // TODO: impl build_formless function that builds the form without adding
@@ -260,11 +265,12 @@ impl<FD: FormToolData> FormBuilder<FD> {
             From<FormData>,
     {
         let fd = create_rw_signal(fd);
+        let fs = Rc::new(fs);
 
         let (views, validation_cbs): (Vec<_>, Vec<_>) = self
             .render_fns
             .into_iter()
-            .map(|r_fn| r_fn(&fs, fd))
+            .map(|r_fn| r_fn(fs.clone(), fd))
             .unzip();
 
         let elements = fs.form_frame(ControlRenderData {
@@ -310,11 +316,12 @@ impl<FD: FormToolData> FormBuilder<FD> {
             From<FormData>,
     {
         let fd = create_rw_signal(fd);
+        let fs = Rc::new(fs);
 
         let (views, validation_cbs): (Vec<_>, Vec<_>) = self
             .render_fns
             .into_iter()
-            .map(|r_fn| r_fn(&fs, fd))
+            .map(|r_fn| r_fn(fs.clone(), fd))
             .unzip();
 
         let elements = fs.form_frame(ControlRenderData {
@@ -349,11 +356,12 @@ impl<FD: FormToolData> FormBuilder<FD> {
 
     pub(crate) fn build_plain_form(self, url: String, fd: FD, fs: FD::Style) -> Form<FD> {
         let fd = create_rw_signal(fd);
+        let fs = Rc::new(fs);
 
         let (views, validation_cbs): (Vec<_>, Vec<_>) = self
             .render_fns
             .into_iter()
-            .map(|r_fn| r_fn(&fs, fd))
+            .map(|r_fn| r_fn(fs.clone(), fd))
             .unzip();
 
         let elements = fs.form_frame(ControlRenderData {

src/styles/grid_form.rs

@@ -2,7 +2,8 @@ use super::FormStyle;
 use crate::{
     controls::{
         button::ButtonData, checkbox::CheckboxData, heading::HeadingData, hidden::HiddenData,
-        output::OutputData, select::SelectData, spacer::SpacerData, submit::SubmitData,
+        output::OutputData, radio_buttons::RadioButtonsData, select::SelectData,
+        slider::SliderData, spacer::SpacerData, stepper::StepperData, submit::SubmitData,
         text_area::TextAreaData, text_input::TextInputData, ControlData, ControlRenderData,
     },
     FormToolData,
@@ -25,22 +26,22 @@ impl FormStyle for GridFormStyle {
         view! { <div class="form_grid">{form.data}</div> }.into_view()
     }
 
-    fn heading(&self, control: ControlRenderData<Self, HeadingData>) -> View {
+    fn heading(&self, control: Rc<ControlRenderData<Self, HeadingData>>) -> View {
         view! { <h2 class="form_heading">{&control.data.title}</h2> }.into_view()
     }
 
     fn text_input(
         &self,
-        control: ControlRenderData<Self, TextInputData>,
+        control: Rc<ControlRenderData<Self, TextInputData>>,
         value_getter: Signal<<TextInputData as ControlData>::ReturnType>,
-        value_setter: Box<dyn Fn(<TextInputData as ControlData>::ReturnType)>,
+        value_setter: Rc<dyn Fn(<TextInputData as ControlData>::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View {
         // TODO: extract this to a common thing
         let mut width = 1;
-        for style in control.styles {
+        for style in control.styles.iter() {
             match style {
-                GridFormStylingAttributes::Width(w) => width = w,
+                GridFormStylingAttributes::Width(w) => width = *w,
             }
         }
 
@@ -55,8 +56,8 @@ impl FormStyle for GridFormStyle {
                 <input
                     type=control.data.input_type
                     id=&control.data.name
-                    name=control.data.name
+                    name=&control.data.name
-                    placeholder=control.data.placeholder
+                    placeholder=control.data.placeholder.as_ref()
                     prop:value=move || value_getter.get()
                     on:focusout=move |ev| {
                         value_setter(event_target_value(&ev));
@@ -72,26 +73,28 @@ impl FormStyle for GridFormStyle {
 
     fn select(
         &self,
-        control: ControlRenderData<Self, SelectData>,
+        control: Rc<ControlRenderData<Self, SelectData>>,
         value_getter: Signal<<SelectData as ControlData>::ReturnType>,
-        value_setter: Box<dyn Fn(<SelectData as ControlData>::ReturnType)>,
+        value_setter: Rc<dyn Fn(<SelectData as ControlData>::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View {
         let mut width = 1;
-        for style in control.styles {
+        for style in control.styles.iter() {
             match style {
-                GridFormStylingAttributes::Width(w) => width = w,
+                GridFormStylingAttributes::Width(w) => width = *w,
             }
         }
 
         let options_view = control
             .data
             .options
-            .into_iter()
+            .iter()
             .map(|(display, value)| {
+                let display = display.clone();
+                let value = value.clone();
                 view! {
                     <option value=value.clone() selected=move || { value_getter.get() == *value }>
-                        {display.clone()}
+                        {display}
                     </option>
                 }
             })
@@ -107,7 +110,7 @@ impl FormStyle for GridFormStyle {
                 </div>
                 <select
                     id=&control.data.name
-                    name=control.data.name
+                    name=&control.data.name
                     class="form_input"
                     on:input=move |ev| {
                         value_setter(event_target_value(&ev));
@@ -121,15 +124,15 @@ impl FormStyle for GridFormStyle {
         .into_view()
     }
 
-    fn submit(&self, control: ControlRenderData<Self, SubmitData>) -> View {
+    fn submit(&self, control: Rc<ControlRenderData<Self, SubmitData>>) -> View {
-        view! { <input type="submit" value=control.data.text class="form_submit"/> }.into_view()
+        view! { <input type="submit" value=&control.data.text class="form_submit"/> }.into_view()
     }
 
     fn text_area(
         &self,
-        control: ControlRenderData<Self, TextAreaData>,
+        control: Rc<ControlRenderData<Self, TextAreaData>>,
         value_getter: Signal<<TextAreaData as ControlData>::ReturnType>,
-        value_setter: Box<dyn Fn(<TextAreaData as ControlData>::ReturnType)>,
+        value_setter: Rc<dyn Fn(<TextAreaData as ControlData>::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View {
         view! {
@@ -137,8 +140,8 @@ impl FormStyle for GridFormStyle {
                 {move || format!("{:?}", validation_state.get())}
                 <textarea
                     id=&control.data.name
-                    name=control.data.name
+                    name=&control.data.name
-                    placeholder=control.data.placeholder
+                    placeholder=control.data.placeholder.as_ref()
                     class="form_input"
                     prop:value=move || value_getter.get()
                     on:change=move |ev| {
@@ -158,29 +161,25 @@ impl FormStyle for GridFormStyle {
 
     fn hidden(
         &self,
-        control: ControlRenderData<Self, HiddenData>,
+        control: Rc<ControlRenderData<Self, HiddenData>>,
         value_getter: Option<Signal<String>>,
     ) -> View {
         let value_getter = move || value_getter.map(|g| g.get());
-        view! { <input name=control.data.name prop:value=value_getter style="visibility: hidden"/> }
+        view! { <input name=&control.data.name prop:value=value_getter style="visibility: hidden"/> }
             .into_view()
     }
 
     fn radio_buttons(
         &self,
-        control: ControlRenderData<Self, crate::controls::radio_buttons::RadioButtonsData>,
+        control: Rc<ControlRenderData<Self, RadioButtonsData>>,
-        value_getter: Signal<
+        value_getter: Signal<<RadioButtonsData as ControlData>::ReturnType>,
-            <crate::controls::radio_buttons::RadioButtonsData as ControlData>::ReturnType,
+        value_setter: Rc<dyn Fn(<RadioButtonsData as ControlData>::ReturnType)>,
-        >,
-        value_setter: Box<
-            dyn Fn(<crate::controls::radio_buttons::RadioButtonsData as ControlData>::ReturnType),
-        >,
         validation_state: Signal<Result<(), String>>,
     ) -> View {
         let mut width = 1;
-        for style in control.styles {
+        for style in control.styles.iter() {
             match style {
-                GridFormStylingAttributes::Width(w) => width = w,
+                GridFormStylingAttributes::Width(w) => width = *w,
             }
         }
 
@@ -188,7 +187,7 @@ impl FormStyle for GridFormStyle {
         let buttons_view = control
             .data
             .options
-            .into_iter()
+            .iter()
             .map(|o| {
                 let value_setter = value_setter.clone();
                 let o_clone1 = o.clone();
@@ -209,7 +208,7 @@ impl FormStyle for GridFormStyle {
                         }
                     />
 
-                    <label for=&o>{&o}</label>
+                    <label for=o>{o}</label>
                     <br/>
                 }
             })
@@ -236,14 +235,14 @@ impl FormStyle for GridFormStyle {
 
     fn checkbox(
         &self,
-        control: ControlRenderData<Self, CheckboxData>,
+        control: Rc<ControlRenderData<Self, CheckboxData>>,
         value_getter: Signal<<CheckboxData as ControlData>::ReturnType>,
-        value_setter: Box<dyn Fn(<CheckboxData as ControlData>::ReturnType)>,
+        value_setter: Rc<dyn Fn(<CheckboxData as ControlData>::ReturnType)>,
     ) -> View {
         let mut width = 1;
-        for style in control.styles {
+        for style in control.styles.iter() {
             match style {
-                GridFormStylingAttributes::Width(w) => width = w,
+                GridFormStylingAttributes::Width(w) => width = *w,
             }
         }
 
@@ -264,7 +263,7 @@ impl FormStyle for GridFormStyle {
                         }
                     />
 
-                    <span>{control.data.label}</span>
+                    <span>{control.data.label.as_ref()}</span>
                 </label>
             </div>
         }
@@ -273,17 +272,15 @@ impl FormStyle for GridFormStyle {
 
     fn stepper(
         &self,
-        control: ControlRenderData<Self, crate::controls::stepper::StepperData>,
+        control: Rc<ControlRenderData<Self, StepperData>>,
-        value_getter: Signal<<crate::controls::stepper::StepperData as ControlData>::ReturnType>,
+        value_getter: Signal<<StepperData as ControlData>::ReturnType>,
-        value_setter: Box<
+        value_setter: Rc<dyn Fn(<StepperData as ControlData>::ReturnType)>,
-            dyn Fn(<crate::controls::stepper::StepperData as ControlData>::ReturnType),
-        >,
         validation_state: Signal<Result<(), String>>,
     ) -> View {
         let mut width = 1;
-        for style in control.styles {
+        for style in control.styles.iter() {
             match style {
-                GridFormStylingAttributes::Width(w) => width = w,
+                GridFormStylingAttributes::Width(w) => width = *w,
             }
         }
 
@@ -314,7 +311,7 @@ impl FormStyle for GridFormStyle {
 
     fn output(
         &self,
-        _control: ControlRenderData<Self, OutputData>,
+        _control: Rc<ControlRenderData<Self, OutputData>>,
         value_getter: Option<Signal<String>>,
     ) -> View {
         view! { <div>{move || value_getter.map(|g| g.get())}</div> }.into_view()
@@ -322,15 +319,15 @@ impl FormStyle for GridFormStyle {
 
     fn slider(
         &self,
-        control: ControlRenderData<Self, crate::controls::slider::SliderData>,
+        control: Rc<ControlRenderData<Self, SliderData>>,
-        value_getter: Signal<<crate::controls::slider::SliderData as ControlData>::ReturnType>,
+        value_getter: Signal<<SliderData as ControlData>::ReturnType>,
-        value_setter: Box<dyn Fn(<crate::controls::slider::SliderData as ControlData>::ReturnType)>,
+        value_setter: Rc<dyn Fn(<SliderData as ControlData>::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View {
         let mut width = 1;
-        for style in control.styles {
+        for style in control.styles.iter() {
             match style {
-                GridFormStylingAttributes::Width(w) => width = w,
+                GridFormStylingAttributes::Width(w) => width = *w,
             }
         }
 
@@ -365,13 +362,13 @@ impl FormStyle for GridFormStyle {
 
     fn button<FD: FormToolData>(
         &self,
-        control: ControlRenderData<Self, ButtonData<FD>>,
+        control: Rc<ControlRenderData<Self, ButtonData<FD>>>,
         data_signal: RwSignal<FD>,
     ) -> View {
         let mut width = 1;
-        for style in control.styles {
+        for style in control.styles.iter() {
             match style {
-                GridFormStylingAttributes::Width(w) => width = w,
+                GridFormStylingAttributes::Width(w) => width = *w,
             }
         }
 
@@ -389,37 +386,37 @@ impl FormStyle for GridFormStyle {
                 on:click=on_click
                 style:grid-column=format!("span {}", width)
             >
-                {control.data.text}
+                {&control.data.text}
             </button>
         }
         .into_view()
     }
 
-    fn group(&self, group: ControlRenderData<Self, View>) -> View {
+    fn group(&self, group: Rc<ControlRenderData<Self, View>>) -> View {
         let mut width = 12;
-        for style in group.styles {
+        for style in group.styles.iter() {
             match style {
-                GridFormStylingAttributes::Width(w) => width = w,
+                GridFormStylingAttributes::Width(w) => width = *w,
             }
         }
 
         view! {
             <div class="form_group form_grid" style:grid-column=format!("span {}", width)>
-                {group.data}
+                {&group.data}
             </div>
         }
         .into_view()
     }
 
-    fn spacer(&self, control: ControlRenderData<Self, SpacerData>) -> View {
+    fn spacer(&self, control: Rc<ControlRenderData<Self, SpacerData>>) -> View {
         let mut width = 12;
-        for style in control.styles {
+        for style in control.styles.iter() {
             match style {
-                GridFormStylingAttributes::Width(w) => width = w,
+                GridFormStylingAttributes::Width(w) => width = *w,
             }
         }
 
-        view! { <div style:grid-column=format!("span {}", width) style:height=control.data.height></div> }
+        view! { <div style:grid-column=format!("span {}", width) style:height=control.data.height.as_ref()></div> }
         .into_view()
     }
 }

src/styles/mod.rs

@@ -1,5 +1,7 @@
 mod grid_form;
 
+use std::rc::Rc;
+
 use crate::{
     controls::{
         button::ButtonData, checkbox::CheckboxData, heading::HeadingData, hidden::HiddenData,
@@ -24,72 +26,72 @@ pub trait FormStyle: 'static {
     /// Do NOT wrap it in an actual `form` element; any
     /// wrapping should be done with `div` or similar elements.
     fn form_frame(&self, form: ControlRenderData<Self, View>) -> View;
-    fn heading(&self, control: ControlRenderData<Self, HeadingData>) -> View;
+    fn heading(&self, control: Rc<ControlRenderData<Self, HeadingData>>) -> View;
     fn hidden(
         &self,
-        control: ControlRenderData<Self, HiddenData>,
+        control: Rc<ControlRenderData<Self, HiddenData>>,
         value_getter: Option<Signal<String>>,
     ) -> View;
     fn text_input(
         &self,
-        control: ControlRenderData<Self, TextInputData>,
+        control: Rc<ControlRenderData<Self, TextInputData>>,
         value_getter: Signal<<TextInputData as ControlData>::ReturnType>,
-        value_setter: Box<dyn Fn(<TextInputData as ControlData>::ReturnType)>,
+        value_setter: Rc<dyn Fn(<TextInputData as ControlData>::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View;
     fn text_area(
         &self,
-        control: ControlRenderData<Self, TextAreaData>,
+        control: Rc<ControlRenderData<Self, TextAreaData>>,
         value_getter: Signal<<TextAreaData as ControlData>::ReturnType>,
-        value_setter: Box<dyn Fn(<TextAreaData as ControlData>::ReturnType)>,
+        value_setter: Rc<dyn Fn(<TextAreaData as ControlData>::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View;
     fn radio_buttons(
         &self,
-        control: ControlRenderData<Self, RadioButtonsData>,
+        control: Rc<ControlRenderData<Self, RadioButtonsData>>,
         value_getter: Signal<<RadioButtonsData as ControlData>::ReturnType>,
-        value_setter: Box<dyn Fn(<RadioButtonsData as ControlData>::ReturnType)>,
+        value_setter: Rc<dyn Fn(<RadioButtonsData as ControlData>::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View;
     fn select(
         &self,
-        control: ControlRenderData<Self, SelectData>,
+        control: Rc<ControlRenderData<Self, SelectData>>,
         value_getter: Signal<<SelectData as ControlData>::ReturnType>,
-        value_setter: Box<dyn Fn(<SelectData as ControlData>::ReturnType)>,
+        value_setter: Rc<dyn Fn(<SelectData as ControlData>::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View;
     fn button<FD: FormToolData>(
         &self,
-        control: ControlRenderData<Self, ButtonData<FD>>,
+        control: Rc<ControlRenderData<Self, ButtonData<FD>>>,
         data_signal: RwSignal<FD>,
     ) -> View;
     fn checkbox(
         &self,
-        control: ControlRenderData<Self, CheckboxData>,
+        control: Rc<ControlRenderData<Self, CheckboxData>>,
         value_getter: Signal<<CheckboxData as ControlData>::ReturnType>,
-        value_setter: Box<dyn Fn(<CheckboxData as ControlData>::ReturnType)>,
+        value_setter: Rc<dyn Fn(<CheckboxData as ControlData>::ReturnType)>,
     ) -> View;
     fn stepper(
         &self,
-        control: ControlRenderData<Self, StepperData>,
+        control: Rc<ControlRenderData<Self, StepperData>>,
         value_getter: Signal<<StepperData as ControlData>::ReturnType>,
-        value_setter: Box<dyn Fn(<StepperData as ControlData>::ReturnType)>,
+        value_setter: Rc<dyn Fn(<StepperData as ControlData>::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View;
     fn output(
         &self,
-        control: ControlRenderData<Self, OutputData>,
+        control: Rc<ControlRenderData<Self, OutputData>>,
         value_getter: Option<Signal<String>>,
     ) -> View;
     fn slider(
         &self,
-        control: ControlRenderData<Self, SliderData>,
+        control: Rc<ControlRenderData<Self, SliderData>>,
         value_getter: Signal<<SliderData as ControlData>::ReturnType>,
-        value_setter: Box<dyn Fn(<SliderData as ControlData>::ReturnType)>,
+        value_setter: Rc<dyn Fn(<SliderData as ControlData>::ReturnType)>,
         validation_state: Signal<Result<(), String>>,
     ) -> View;
-    fn submit(&self, control: ControlRenderData<Self, SubmitData>) -> View;
+    fn submit(&self, control: Rc<ControlRenderData<Self, SubmitData>>) -> View;
     fn custom_component(&self, view: View) -> View;
-    fn group(&self, group: ControlRenderData<Self, View>) -> View;
+    fn group(&self, group: Rc<ControlRenderData<Self, View>>) -> View;
-    fn spacer(&self, control: ControlRenderData<Self, SpacerData>) -> View;
+    fn spacer(&self, control: Rc<ControlRenderData<Self, SpacerData>>) -> View;
 }