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@@ -1,160 +1,149 @@
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-#![allow(non_snake_case)]
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-
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/*
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This example is a simple iOS-style calculator. This particular example can run any platform - Web, Mobile, Desktop.
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This calculator version uses React-style state management. All state is held as individual use_states.
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*/
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-use std::sync::Arc;
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-
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use dioxus::events::*;
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use dioxus::prelude::*;
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use separator::Separatable;
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fn main() {
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- dioxus::desktop::launch(app);
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+ use dioxus::desktop::tao::dpi::LogicalSize;
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+ dioxus::desktop::launch_cfg(app, |cfg| {
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+ cfg.with_window(|w| {
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+ w.with_title("Calculator Demo")
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+ .with_resizable(false)
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+ .with_inner_size(LogicalSize::new(320.0, 530.0))
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+ })
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+ });
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}
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fn app(cx: Scope) -> Element {
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let cur_val = use_state(&cx, || 0.0_f64);
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- let operator = use_state(&cx, || None as Option<&'static str>);
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- let display_value = use_state(&cx, || String::from(""));
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+ let operator = use_state(&cx, Option::default);
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+ let display_value = use_state(&cx, String::new);
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- let toggle_percent = move |_| todo!();
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let input_digit = move |num: u8| display_value.modify().push_str(num.to_string().as_str());
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cx.render(rsx!(
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style { [include_str!("./assets/calculator.css")] }
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- div {
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- class: "calculator",
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- onkeydown: move |evt| match evt.key_code {
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- KeyCode::Add => operator.set(Some("+")),
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- KeyCode::Subtract => operator.set(Some("-")),
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- KeyCode::Divide => operator.set(Some("/")),
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- KeyCode::Multiply => operator.set(Some("*")),
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- KeyCode::Num0 => input_digit(0),
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- KeyCode::Num1 => input_digit(1),
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- KeyCode::Num2 => input_digit(2),
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- KeyCode::Num3 => input_digit(3),
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- KeyCode::Num4 => input_digit(4),
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- KeyCode::Num5 => input_digit(5),
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- KeyCode::Num6 => input_digit(6),
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- KeyCode::Num7 => input_digit(7),
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- KeyCode::Num8 => input_digit(8),
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- KeyCode::Num9 => input_digit(9),
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- KeyCode::Backspace => {
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- if !display_value.as_str().eq("0") {
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- display_value.modify().pop();
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- }
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- }
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- _ => {}
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- },
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- div { class: "calculator-display", [cur_val.separated_string()] }
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- div { class: "input-keys",
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- div { class: "function-keys",
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- CalculatorKey {
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- name: "key-clear",
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- onclick: move |_| {
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- display_value.set("0".to_string());
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- if display_value != "0" {
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- operator.set(None);
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- cur_val.set(0.0);
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+ div { id: "wrapper",
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+ div { class: "app",
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+ div { class: "calculator",
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+ onkeydown: move |evt| match evt.key_code {
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+ KeyCode::Add => operator.set(Some("+")),
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+ KeyCode::Subtract => operator.set(Some("-")),
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+ KeyCode::Divide => operator.set(Some("/")),
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+ KeyCode::Multiply => operator.set(Some("*")),
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+ KeyCode::Num0 => input_digit(0),
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+ KeyCode::Num1 => input_digit(1),
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+ KeyCode::Num2 => input_digit(2),
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+ KeyCode::Num3 => input_digit(3),
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+ KeyCode::Num4 => input_digit(4),
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+ KeyCode::Num5 => input_digit(5),
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+ KeyCode::Num6 => input_digit(6),
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+ KeyCode::Num7 => input_digit(7),
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+ KeyCode::Num8 => input_digit(8),
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+ KeyCode::Num9 => input_digit(9),
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+ KeyCode::Backspace => {
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+ if !display_value.as_str().eq("0") {
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+ display_value.modify().pop();
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}
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- },
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- [if display_value == "0" { "C" } else { "AC" }]
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- }
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- CalculatorKey {
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- name: "key-sign",
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- onclick: move |_| {
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- if display_value.starts_with("-") {
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- display_value.set(display_value.trim_start_matches("-").to_string())
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- } else {
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- display_value.set(format!("-{}", *display_value))
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+ }
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+ _ => {}
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+ },
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+ div { class: "calculator-display", [cur_val.separated_string()] }
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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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+ button {
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+ class: "calculator-key key-clear",
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+ onclick: move |_| {
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+ display_value.set("0".to_string());
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+ if display_value != "0" {
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+ operator.set(None);
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+ cur_val.set(0.0);
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+ }
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+ },
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+ [if display_value == "0" { "C" } else { "AC" }]
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+ }
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+ button {
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+ class: "calculator-key key-sign",
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+ onclick: move |_| {
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+ if display_value.starts_with("-") {
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+ display_value.set(display_value.trim_start_matches("-").to_string())
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+ } else {
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+ display_value.set(format!("-{}", *display_value))
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+ }
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+ },
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+ "±"
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+ }
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+ button {
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+ class: "calculator-key key-percent",
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+ onclick: move |_| {
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+ let pct = (display_value.parse::<f64>().unwrap() / 100.0).to_string();
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+ display_value.set(pct);
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+ },
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+ "%"
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+ }
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+ }
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+ div { class: "digit-keys",
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+ button { class: "calculator-key key-0", onclick: move |_| input_digit(0),
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+ "0"
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+ }
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+ button { class: "calculator-key key-dot", onclick: move |_| display_value.modify().push_str("."),
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+ "●"
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+ }
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+ (1..10).map(|k| rsx!{
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+ button {
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+ class: "calculator-key {k}",
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+ name: "key-{k}",
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+ onclick: move |_| input_digit(k),
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+ "{k}"
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+ }
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+ }),
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}
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- },
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- "±"
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- }
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- CalculatorKey {
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- onclick: toggle_percent,
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- name: "key-percent",
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- "%"
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- }
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- }
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- div { class: "digit-keys",
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- CalculatorKey { name: "key-0", onclick: move |_| input_digit(0),
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- "0"
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- }
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- CalculatorKey { name: "key-dot", onclick: move |_| display_value.modify().push_str("."),
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- "●"
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- }
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- (1..9).map(|k| rsx!{
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- CalculatorKey {
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- key: "{k}",
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- name: "key-{k}",
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- onclick: move |_| input_digit(k),
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- "{k}"
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}
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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 {
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- name: "key-divide",
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- onclick: move |_| operator.set(Some("/")),
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- "÷"
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- }
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- CalculatorKey {
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- name: "key-multiply",
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- onclick: move |_| operator.set(Some("*")),
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- "×"
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- }
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- CalculatorKey {
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- name: "key-subtract",
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- onclick: move |_| operator.set(Some("-")),
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- "−"
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- }
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- CalculatorKey {
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- name: "key-add",
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- onclick: move |_| operator.set(Some("+")),
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- "+"
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- }
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- CalculatorKey {
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- name: "key-equals",
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- onclick: move |_| {
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- if let Some(op) = operator.as_ref() {
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- let rhs = display_value.parse::<f64>().unwrap();
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- let new_val = match *op {
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- "+" => *cur_val + rhs,
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- "-" => *cur_val - rhs,
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- "*" => *cur_val * rhs,
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- "/" => *cur_val / rhs,
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- _ => unreachable!(),
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- };
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- cur_val.set(new_val);
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- display_value.set(new_val.to_string());
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- operator.set(None);
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+ div { class: "operator-keys",
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+ button { class: "calculator-key key-divide",
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+ onclick: move |_| operator.set(Some("/")),
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+ "÷"
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+ }
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+ button { class: "calculator-key key-multiply",
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+ onclick: move |_| operator.set(Some("*")),
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+ "×"
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+ }
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+ button { class: "calculator-key key-subtract",
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+ onclick: move |_| operator.set(Some("-")),
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+ "−"
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+ }
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+ button { class: "calculator-key key-add",
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+ onclick: move |_| operator.set(Some("+")),
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+ "+"
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}
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- },
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- "="
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+ button { class: "calculator-key key-equals",
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+ onclick: move |_| {
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+ if let Some(op) = operator.as_ref() {
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+ let rhs = display_value.parse::<f64>().unwrap();
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+ let new_val = match *op {
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+ "+" => *cur_val + rhs,
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+ "-" => *cur_val - rhs,
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+ "*" => *cur_val * rhs,
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+ "/" => *cur_val / rhs,
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+ _ => unreachable!(),
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+ };
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+ cur_val.set(new_val);
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+ display_value.set(new_val.to_string());
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+ operator.set(None);
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+ }
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+ },
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+ "="
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+ }
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+ }
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}
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}
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}
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}
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- ))
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-}
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-#[inline_props]
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-fn CalculatorKey<'a>(
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- cx: Scope,
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- name: &'static str,
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- onclick: &'a dyn Fn(Arc<MouseEvent>),
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- children: Element<'a>,
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-) -> Element {
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- cx.render(rsx! {
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- button {
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- class: "calculator-key {name}",
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- onclick: onclick,
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- children
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- }
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- })
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+ ))
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}
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