✨ feat: add menu component

examples/basic/src/app.rs

@@ -10,6 +10,9 @@ pub fn App(cx: Scope) -> impl IntoView {
                 <Route path="/" view=move |cx| view! {cx,
                     <Home />
                 } />
+                <Route path="/menu" view=move |cx| view! {cx,
+                    <MenuPage />
+                } />
                 <Route path="/slider" view=move |cx| view! {cx,
                     <SliderPage />
                 } />

examples/basic/src/pages/menu/mod.rs

@@ -0,0 +1,13 @@
+use leptos::*;
+use melt_ui::*;
+
+#[component]
+pub fn MenuPage(cx: Scope) -> impl IntoView {
+    let selected = create_rw_signal(cx, String::from("o"));
+    view! { cx,
+        <Menu selected>
+            <MenuItem key="a" label="and"/>
+            <MenuItem key="o" label="or"/>
+        </Menu>
+    }
+}

examples/basic/src/pages/mod.rs

@@ -1,5 +1,7 @@
 mod home;
+mod menu;
 mod slider;
 
 pub use home::*;
+pub use menu::*;
 pub use slider::*;

src/lib.rs

@@ -3,6 +3,7 @@ mod card;
 mod checkbox;
 mod components;
 mod input;
+mod menu;
 mod modal;
 mod progress;
 mod slider;
@@ -16,6 +17,7 @@ mod wave;
 pub use button::*;
 pub use checkbox::*;
 pub use input::*;
+pub use menu::*;
 pub use modal::*;
 pub use progress::*;
 pub use slider::*;

src/menu/menu-item.css

@@ -0,0 +1,16 @@
+.melt-menu-item__content {
+    margin: 6px 8px;
+    padding: 12px 10px;
+    padding-left: 14px;
+    cursor: pointer;
+    border-radius: var(--border-radius);
+}
+
+.melt-menu-item__content:hover {
+    color: var(--font-color);
+}
+
+.melt-menu-item__content--selected {
+    color: var(--font-color);
+    background-color: var(--bg-color);
+}

src/menu/menu_item.rs

@@ -0,0 +1,36 @@
+use super::{use_menu, MenuInjectionKey};
+use crate::{theme::use_theme, utils::mount_style::mount_style, Theme};
+use leptos::*;
+use stylers::style_sheet_str;
+
+#[component]
+pub fn MenuItem(
+    cx: Scope,
+    #[prop(into)] key: MaybeSignal<&'static str>,
+    #[prop(into)] label: MaybeSignal<String>,
+) -> impl IntoView {
+    let class_name = mount_style("menu-item", || style_sheet_str!("./src/menu/menu-item.css"));
+    let theme = use_theme(cx, Theme::light);
+    let menu = use_menu(cx);
+    let onclick_select = move |_| {
+        menu.set(MenuInjectionKey::from_string(cx, key.get().to_string()));
+    };
+
+    let css_vars = create_memo(cx, move |_| {
+        let mut css_vars = String::new();
+        let theme = theme.get();
+        let font_color = theme.common.color_primary.clone();
+        css_vars.push_str(&format!("--font-color: {font_color};"));
+        css_vars.push_str(&format!("--bg-color: {font_color}1a;"));
+        let border_radius = theme.common.border_radius.clone();
+        css_vars.push_str(&format!("--border-radius: {border_radius};"));
+        css_vars
+    });
+    view! {cx, class=class_name,
+        <div class="melt-menu-item">
+            <div class="melt-menu-item__content" class=("melt-menu-item__content--selected", move || menu.get().value() == key.get()) on:click=onclick_select style=move || css_vars.get()>
+                { move || label.get() }
+            </div>
+        </div>
+    }
+}

src/menu/mod.rs

@@ -0,0 +1,45 @@
+mod menu_item;
+
+use leptos::*;
+pub use menu_item::*;
+
+#[component]
+pub fn Menu(
+    cx: Scope,
+    #[prop(into)] selected: RwSignal<String>,
+    children: Children,
+) -> impl IntoView {
+    let menu_injection_key = create_rw_signal(cx, MenuInjectionKey::new(selected));
+    provide_context(cx, menu_injection_key);
+    view! {cx,
+        <div class="melt-menu">
+            { children(cx) }
+        </div>
+    }
+}
+
+#[derive(Clone)]
+pub struct MenuInjectionKey {
+    value: RwSignal<String>,
+}
+
+
+impl MenuInjectionKey {
+    pub fn new(value: RwSignal<String>) -> Self {
+        Self { value }
+    }
+
+    pub fn from_string(cx: Scope, value: String) -> Self {
+        Self {
+            value: create_rw_signal(cx, value),
+        }
+    }
+
+    pub fn value(&self) -> String {
+        self.value.get()
+    }
+}
+
+pub fn use_menu(cx: Scope) -> RwSignal<MenuInjectionKey> {
+    use_context::<RwSignal<MenuInjectionKey>>(cx).expect("MenuInjectionKey not exist")
+}