feat: button add wave

src/button/button.css

@@ -5,7 +5,7 @@
     color: var(--font-color);
     border: 1px solid var(--border-color);
     border-radius: 5px;
-
+    position: relative;
     display: inline-flex;
     align-items: center;
     justify-content: center;
@@ -54,3 +54,34 @@
         transform: rotate(360deg);
     }
 }
+
+.melt-button .melt-wave {
+    pointer-events: none;
+    animation-iteration-count: 1;
+    animation-duration: 0.6s;
+    animation-timing-function: cubic-bezier(0, 0, 0.2, 1),
+        cubic-bezier(0, 0, 0.2, 1);
+}
+
+.melt-button .melt-wave.melt-wave--active {
+    z-index: 1;
+    animation-name: meltButtonWaveSpread, meltButtonWaveOpacity;
+}
+
+@keyframes meltButtonWaveSpread {
+    from {
+        box-shadow: 0 0 0.5px 0 var(--melt-ripple-color);
+    }
+    to {
+        box-shadow: 0 0 0.5px 6px var(--melt-ripple-color);
+    }
+}
+
+@keyframes meltButtonWaveOpacity {
+    from {
+        opacity: 0.6;
+    }
+    to {
+        opacity: 0;
+    }
+}

src/button/mod.rs

@@ -1,6 +1,12 @@
 mod theme;
 
-use crate::{components::*, icon::*, theme::*, utils::mount_style::mount_style};
+use crate::{
+    components::*,
+    icon::*,
+    theme::*,
+    utils::{mount_style::mount_style, ComponentRef},
+    wave::{Wave, WaveRef},
+};
 use leptos::*;
 pub use theme::ButtonTheme;
 
@@ -76,6 +82,7 @@ pub fn Button(
                 css_vars.push_str("--font-color: #fff;");
                 css_vars.push_str(&format!("--border-color: {bg_color};"));
                 css_vars.push_str(&format!("--border-color-hover: {bg_color};"));
+                css_vars.push_str(&format!("--melt-ripple-color: {bg_color};"));
             } else if variant.get() == ButtonVariant::Text {
                 css_vars.push_str(&format!("--font-color-hover: {bg_color};"));
                 css_vars.push_str(&format!(
@@ -86,10 +93,12 @@ pub fn Button(
                     "--background-color-active: {};",
                     theme.button.color_text_active
                 ));
+                css_vars.push_str(&format!("--melt-ripple-color: #0000;"));
             } else {
                 css_vars.push_str(&format!("--font-color-hover: {bg_color};"));
                 css_vars.push_str("--border-color: #555a;");
                 css_vars.push_str("--border-color-hover: #555;");
+                css_vars.push_str(&format!("--melt-ripple-color: #0000;"));
             }
         });
 
@@ -111,10 +120,15 @@ pub fn Button(
         disabled.get()
     });
 
+    let wave_ref = ComponentRef::<WaveRef>::default();
+
     let on_click = move |event| {
         if disabled.get() {
             return;
         }
+        if let Some(wave_ref) = wave_ref.get_untracked() {
+            wave_ref.play();
+        }
         let Some(callback) = on_click.as_ref() else {
             return;
         };
@@ -131,6 +145,7 @@ pub fn Button(
             style=move || format!("{}{}", css_vars.get(), style.get())
             on:click=on_click
         >
+            <Wave comp_ref=wave_ref/>
             {move || {
                 if loading.get() {
                     view! {

src/lib.rs

@@ -69,4 +69,3 @@ pub use tag::*;
 pub use theme::*;
 pub use upload::*;
 pub use utils::{mount_style::mount_style, signal::SignalWatch};
-pub use wave::*;

src/utils/component_ref.rs

@@ -0,0 +1,30 @@
+use leptos::{create_rw_signal, RwSignal, SignalGetUntracked, SignalSet};
+
+pub struct ComponentRef<T: 'static>(RwSignal<Option<T>>);
+
+impl<T> Default for ComponentRef<T> {
+    fn default() -> Self {
+        Self(create_rw_signal(None))
+    }
+}
+
+impl<T> Clone for ComponentRef<T> {
+    fn clone(&self) -> Self {
+        *self
+    }
+}
+
+impl<T: 'static> Copy for ComponentRef<T> {}
+
+impl<T> ComponentRef<T> {
+    pub fn get_untracked(&self) -> Option<T>
+    where
+        T: Clone,
+    {
+        self.0.get_untracked()
+    }
+
+    pub fn load(&self, comp_ref: T) {
+        self.0.set(Some(comp_ref));
+    }
+}

src/utils/mod.rs

@@ -1,8 +1,10 @@
 // mod callback;
+mod component_ref;
 pub mod maybe_rw_signal;
 mod maybe_signal_store;
 pub mod mount_style;
 pub mod signal;
 
 // pub use callback::AsyncCallback;
+pub use component_ref::ComponentRef;
 pub use maybe_signal_store::*;

src/wave/mod.rs

@@ -1,28 +1,44 @@
-use crate::utils::mount_style::mount_style;
-use leptos::*;
+use crate::utils::{mount_style::mount_style, ComponentRef};
+use leptos::{leptos_dom::helpers::TimeoutHandle, *};
+use std::time::Duration;
+
+#[derive(Clone)]
+pub struct WaveRef {
+    play: Callback<()>,
+}
+
+impl WaveRef {
+    pub fn play(&self) {
+        self.play.call(());
+    }
+}
 
 #[component]
-pub fn Wave(children: Children) -> impl IntoView {
+pub fn Wave(#[prop(optional)] comp_ref: ComponentRef<WaveRef>) -> impl IntoView {
     mount_style("wave", include_str!("./wave.css"));
-    let (css_vars, set_css_vars) = create_signal(String::new());
     let wave_ref = create_node_ref::<html::Div>();
-    wave_ref.on_load(move |wave| {
-        _ = wave.on(ev::mousedown, move |ev| {
-            wave_ref.on_load(move |wave| {
-                let rect = wave.get_bounding_client_rect();
-                let client_x = f64::from(ev.client_x());
-                let client_y = f64::from(ev.client_y());
-                set_css_vars.set(format!(
-                    "--x: {}px; --y: {}px",
-                    client_x - rect.left(),
-                    client_y - rect.top()
-                ));
-            })
-        });
+    let animation_timeout_handle = create_rw_signal(None::<TimeoutHandle>);
+    let play = Callback::new(move |_: ()| {
+        if let Some(handle) = animation_timeout_handle.get() {
+            handle.clear();
+            animation_timeout_handle.set(None);
+        }
+        if let Some(wave_ref) = wave_ref.get() {
+            _ = wave_ref.offset_height();
+        }
+        let handle = set_timeout_with_handle(
+            move || {
+                animation_timeout_handle.set(None);
+            },
+            Duration::from_secs(1),
+        );
+        if let Ok(handle) = handle {
+            animation_timeout_handle.set(Some(handle))
+        }
     });
+    comp_ref.load(WaveRef { play });
     view! {
-        <div class="melt-wave" ref=wave_ref style=move || css_vars.get()>
-            {children()}
+        <div class="melt-wave" class=("melt-wave--active", move || animation_timeout_handle.with(|handle| handle.is_some())) ref=wave_ref>
         </div>
     }
 }

src/wave/wave.css

@@ -1,38 +1,8 @@
 .melt-wave {
-    position: relative;
-}
-.melt-wave::before {
-    content: "";
-    display: block;
     position: absolute;
-    width: 100%;
-    height: 100%;
     left: 0;
+    right: 0;
     top: 0;
-    transition: 0.2s;
-    background: #fff;
-    opacity: 0;
-}
-.melt-wave:active::before {
-    opacity: 0.2;
-}
-.melt-wave::after {
-    content: "";
-    display: block;
-    position: absolute;
-    width: 200%;
-    height: 100%;
-    left: var(--x, 0);
-    top: var(--y, 0);
-    background-image: radial-gradient(circle, #fff 10%, transparent 10.01%);
-    background-repeat: no-repeat;
-    background-position: 50%;
-    transform: translate(-50%, -50%) scale(10);
-    opacity: 0;
-    transition: transform 0.8s, opacity 0.8s;
-}
-.melt-wave:active::after {
-    transform: translate(-50%, -50%) scale(0);
-    opacity: 0.3;
-    transition: 0s;
+    bottom: 0;
+    border-radius: inherit;
 }