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@@ -33,40 +33,38 @@ fn main() {
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}
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static App: FC<()> = |cx, props| {
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- let state = use_state(cx, || Calculator::new());
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+ let state = use_ref(cx, || Calculator::new());
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- let clear_display = state.display_value.eq("0");
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+ let clear_display = state.read().display_value.eq("0");
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let clear_text = if clear_display { "C" } else { "AC" };
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- let formatted = state.formatted_display();
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+ let formatted = state.read().formatted_display();
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- cx.render(rsx! {
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- div { id: "wrapper"
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- div { class: "app", style { "{STYLE}" }
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- div { class: "calculator", onkeypress: move |evt| state.modify().handle_keydown(evt),
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- div { class: "calculator-display", "{formatted}"}
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- div { class: "calculator-keypad"
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- div { class: "input-keys"
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- div { class: "function-keys"
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- CalculatorKey { name: "key-clear", onclick: move |_| state.modify().clear_display(), "{clear_text}" }
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- CalculatorKey { name: "key-sign", onclick: move |_| state.modify().toggle_sign(), "±"}
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- CalculatorKey { name: "key-percent", onclick: move |_| state.modify().toggle_percent(), "%"}
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- }
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- div { class: "digit-keys"
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- CalculatorKey { name: "key-0", onclick: move |_| state.modify().input_digit(0), "0" }
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- CalculatorKey { name: "key-dot", onclick: move |_| state.modify().input_dot(), "●" }
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- {(1..10).map(move |k| rsx!{
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- CalculatorKey { key: "{k}", name: "key-{k}", onclick: move |_| state.modify().input_digit(k), "{k}" }
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- })}
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- }
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+ rsx!(cx, div { id: "wrapper"
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+ div { class: "app", style { "{STYLE}" }
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+ div { class: "calculator", onkeypress: move |evt| state.write().handle_keydown(evt),
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+ div { class: "calculator-display", "{formatted}"}
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+ div { class: "calculator-keypad"
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+ div { class: "input-keys"
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+ div { class: "function-keys"
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+ CalculatorKey { name: "key-clear", onclick: move |_| state.write().clear_display(), "{clear_text}" }
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+ CalculatorKey { name: "key-sign", onclick: move |_| state.write().toggle_sign(), "±"}
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+ CalculatorKey { name: "key-percent", onclick: move |_| state.write().toggle_percent(), "%"}
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}
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- div { class: "operator-keys"
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- CalculatorKey { name:"key-divide", onclick: move |_| state.modify().set_operator(Operator::Div), "÷" }
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- CalculatorKey { name:"key-multiply", onclick: move |_| state.modify().set_operator(Operator::Mul), "×" }
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- CalculatorKey { name:"key-subtract", onclick: move |_| state.modify().set_operator(Operator::Sub), "−" }
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- CalculatorKey { name:"key-add", onclick: move |_| state.modify().set_operator(Operator::Add), "+" }
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- CalculatorKey { name:"key-equals", onclick: move |_| state.modify().perform_operation(), "=" }
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+ div { class: "digit-keys"
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+ CalculatorKey { name: "key-0", onclick: move |_| state.write().input_digit(0), "0" }
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+ CalculatorKey { name: "key-dot", onclick: move |_| state.write().input_dot(), "●" }
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+ {(1..10).map(move |k| rsx!{
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+ CalculatorKey { key: "{k}", name: "key-{k}", onclick: move |_| state.write().input_digit(k), "{k}" }
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+ })}
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}
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}
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+ div { class: "operator-keys"
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+ CalculatorKey { name:"key-divide", onclick: move |_| state.write().set_operator(Operator::Div), "÷" }
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+ CalculatorKey { name:"key-multiply", onclick: move |_| state.write().set_operator(Operator::Mul), "×" }
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+ CalculatorKey { name:"key-subtract", onclick: move |_| state.write().set_operator(Operator::Sub), "−" }
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+ CalculatorKey { name:"key-add", onclick: move |_| state.write().set_operator(Operator::Add), "+" }
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+ CalculatorKey { name:"key-equals", onclick: move |_| state.write().perform_operation(), "=" }
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+ }
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}
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}
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}
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@@ -89,7 +87,6 @@ fn CalculatorKey<'a, 'r>(cx: Context<'a>, props: &'a CalculatorKeyProps) -> DomT
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})
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}
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-#[derive(Clone)]
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struct Calculator {
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display_value: String,
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operator: Option<Operator>,
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