(cx);
+
+ let inner_width = window().inner_width().unwrap().as_f64().unwrap();
+
+ let UseDraggableReturn { x, y, style, .. } = use_draggable_with_options(
+ cx,
+ el,
+ UseDraggableOptions::default()
+ .initial_value(Position {
+ x: inner_width / 4.2,
+ y: 80.0,
+ })
+ .prevent_default(true),
+ );
+
+ view! { cx,
+
+ Check the floating box
+
+
+ "👋 Drag me!"
+
+ I am at { move || x().round() }, { move || y().round() }
+
+
+ }
+}
+
+fn main() {
+ _ = console_log::init_with_level(log::Level::Debug);
+ console_error_panic_hook::set_once();
+
+ mount_to(demo_or_body(), |cx| {
+ view! { cx,
}
+ })
+}
diff --git a/examples/use_draggable/style/output.css b/examples/use_draggable/style/output.css
new file mode 100644
index 0000000..1c3f5f1
--- /dev/null
+++ b/examples/use_draggable/style/output.css
@@ -0,0 +1,367 @@
+[type='text'],input:where(:not([type])),[type='email'],[type='url'],[type='password'],[type='number'],[type='date'],[type='datetime-local'],[type='month'],[type='search'],[type='tel'],[type='time'],[type='week'],[multiple],textarea,select {
+ -webkit-appearance: none;
+ -moz-appearance: none;
+ appearance: none;
+ background-color: #fff;
+ border-color: #6b7280;
+ border-width: 1px;
+ border-radius: 0px;
+ padding-top: 0.5rem;
+ padding-right: 0.75rem;
+ padding-bottom: 0.5rem;
+ padding-left: 0.75rem;
+ font-size: 1rem;
+ line-height: 1.5rem;
+ --tw-shadow: 0 0 #0000;
+}
+
+[type='text']:focus, input:where(:not([type])):focus, [type='email']:focus, [type='url']:focus, [type='password']:focus, [type='number']:focus, [type='date']:focus, [type='datetime-local']:focus, [type='month']:focus, [type='search']:focus, [type='tel']:focus, [type='time']:focus, [type='week']:focus, [multiple]:focus, textarea:focus, select:focus {
+ outline: 2px solid transparent;
+ outline-offset: 2px;
+ --tw-ring-inset: var(--tw-empty,/*!*/ /*!*/);
+ --tw-ring-offset-width: 0px;
+ --tw-ring-offset-color: #fff;
+ --tw-ring-color: #2563eb;
+ --tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);
+ --tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color);
+ box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
+ border-color: #2563eb;
+}
+
+input::-moz-placeholder, textarea::-moz-placeholder {
+ color: #6b7280;
+ opacity: 1;
+}
+
+input::placeholder,textarea::placeholder {
+ color: #6b7280;
+ opacity: 1;
+}
+
+::-webkit-datetime-edit-fields-wrapper {
+ padding: 0;
+}
+
+::-webkit-date-and-time-value {
+ min-height: 1.5em;
+}
+
+::-webkit-datetime-edit,::-webkit-datetime-edit-year-field,::-webkit-datetime-edit-month-field,::-webkit-datetime-edit-day-field,::-webkit-datetime-edit-hour-field,::-webkit-datetime-edit-minute-field,::-webkit-datetime-edit-second-field,::-webkit-datetime-edit-millisecond-field,::-webkit-datetime-edit-meridiem-field {
+ padding-top: 0;
+ padding-bottom: 0;
+}
+
+select {
+ background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
+ background-position: right 0.5rem center;
+ background-repeat: no-repeat;
+ background-size: 1.5em 1.5em;
+ padding-right: 2.5rem;
+ -webkit-print-color-adjust: exact;
+ print-color-adjust: exact;
+}
+
+[multiple],[size]:where(select:not([size="1"])) {
+ background-image: initial;
+ background-position: initial;
+ background-repeat: unset;
+ background-size: initial;
+ padding-right: 0.75rem;
+ -webkit-print-color-adjust: unset;
+ print-color-adjust: unset;
+}
+
+[type='checkbox'],[type='radio'] {
+ -webkit-appearance: none;
+ -moz-appearance: none;
+ appearance: none;
+ padding: 0;
+ -webkit-print-color-adjust: exact;
+ print-color-adjust: exact;
+ display: inline-block;
+ vertical-align: middle;
+ background-origin: border-box;
+ -webkit-user-select: none;
+ -moz-user-select: none;
+ user-select: none;
+ flex-shrink: 0;
+ height: 1rem;
+ width: 1rem;
+ color: #2563eb;
+ background-color: #fff;
+ border-color: #6b7280;
+ border-width: 1px;
+ --tw-shadow: 0 0 #0000;
+}
+
+[type='checkbox'] {
+ border-radius: 0px;
+}
+
+[type='radio'] {
+ border-radius: 100%;
+}
+
+[type='checkbox']:focus,[type='radio']:focus {
+ outline: 2px solid transparent;
+ outline-offset: 2px;
+ --tw-ring-inset: var(--tw-empty,/*!*/ /*!*/);
+ --tw-ring-offset-width: 2px;
+ --tw-ring-offset-color: #fff;
+ --tw-ring-color: #2563eb;
+ --tw-ring-offset-shadow: var(--tw-ring-inset) 0 0 0 var(--tw-ring-offset-width) var(--tw-ring-offset-color);
+ --tw-ring-shadow: var(--tw-ring-inset) 0 0 0 calc(2px + var(--tw-ring-offset-width)) var(--tw-ring-color);
+ box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow);
+}
+
+[type='checkbox']:checked,[type='radio']:checked {
+ border-color: transparent;
+ background-color: currentColor;
+ background-size: 100% 100%;
+ background-position: center;
+ background-repeat: no-repeat;
+}
+
+[type='checkbox']:checked {
+ background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3cpath d='M12.207 4.793a1 1 0 010 1.414l-5 5a1 1 0 01-1.414 0l-2-2a1 1 0 011.414-1.414L6.5 9.086l4.293-4.293a1 1 0 011.414 0z'/%3e%3c/svg%3e");
+}
+
+[type='radio']:checked {
+ background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='white' xmlns='http://www.w3.org/2000/svg'%3e%3ccircle cx='8' cy='8' r='3'/%3e%3c/svg%3e");
+}
+
+[type='checkbox']:checked:hover,[type='checkbox']:checked:focus,[type='radio']:checked:hover,[type='radio']:checked:focus {
+ border-color: transparent;
+ background-color: currentColor;
+}
+
+[type='checkbox']:indeterminate {
+ background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 16 16'%3e%3cpath stroke='white' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 8h8'/%3e%3c/svg%3e");
+ border-color: transparent;
+ background-color: currentColor;
+ background-size: 100% 100%;
+ background-position: center;
+ background-repeat: no-repeat;
+}
+
+[type='checkbox']:indeterminate:hover,[type='checkbox']:indeterminate:focus {
+ border-color: transparent;
+ background-color: currentColor;
+}
+
+[type='file'] {
+ background: unset;
+ border-color: inherit;
+ border-width: 0;
+ border-radius: 0;
+ padding: 0;
+ font-size: unset;
+ line-height: inherit;
+}
+
+[type='file']:focus {
+ outline: 1px solid ButtonText;
+ outline: 1px auto -webkit-focus-ring-color;
+}
+
+*, ::before, ::after {
+ --tw-border-spacing-x: 0;
+ --tw-border-spacing-y: 0;
+ --tw-translate-x: 0;
+ --tw-translate-y: 0;
+ --tw-rotate: 0;
+ --tw-skew-x: 0;
+ --tw-skew-y: 0;
+ --tw-scale-x: 1;
+ --tw-scale-y: 1;
+ --tw-pan-x: ;
+ --tw-pan-y: ;
+ --tw-pinch-zoom: ;
+ --tw-scroll-snap-strictness: proximity;
+ --tw-gradient-from-position: ;
+ --tw-gradient-via-position: ;
+ --tw-gradient-to-position: ;
+ --tw-ordinal: ;
+ --tw-slashed-zero: ;
+ --tw-numeric-figure: ;
+ --tw-numeric-spacing: ;
+ --tw-numeric-fraction: ;
+ --tw-ring-inset: ;
+ --tw-ring-offset-width: 0px;
+ --tw-ring-offset-color: #fff;
+ --tw-ring-color: rgb(59 130 246 / 0.5);
+ --tw-ring-offset-shadow: 0 0 #0000;
+ --tw-ring-shadow: 0 0 #0000;
+ --tw-shadow: 0 0 #0000;
+ --tw-shadow-colored: 0 0 #0000;
+ --tw-blur: ;
+ --tw-brightness: ;
+ --tw-contrast: ;
+ --tw-grayscale: ;
+ --tw-hue-rotate: ;
+ --tw-invert: ;
+ --tw-saturate: ;
+ --tw-sepia: ;
+ --tw-drop-shadow: ;
+ --tw-backdrop-blur: ;
+ --tw-backdrop-brightness: ;
+ --tw-backdrop-contrast: ;
+ --tw-backdrop-grayscale: ;
+ --tw-backdrop-hue-rotate: ;
+ --tw-backdrop-invert: ;
+ --tw-backdrop-opacity: ;
+ --tw-backdrop-saturate: ;
+ --tw-backdrop-sepia: ;
+}
+
+::backdrop {
+ --tw-border-spacing-x: 0;
+ --tw-border-spacing-y: 0;
+ --tw-translate-x: 0;
+ --tw-translate-y: 0;
+ --tw-rotate: 0;
+ --tw-skew-x: 0;
+ --tw-skew-y: 0;
+ --tw-scale-x: 1;
+ --tw-scale-y: 1;
+ --tw-pan-x: ;
+ --tw-pan-y: ;
+ --tw-pinch-zoom: ;
+ --tw-scroll-snap-strictness: proximity;
+ --tw-gradient-from-position: ;
+ --tw-gradient-via-position: ;
+ --tw-gradient-to-position: ;
+ --tw-ordinal: ;
+ --tw-slashed-zero: ;
+ --tw-numeric-figure: ;
+ --tw-numeric-spacing: ;
+ --tw-numeric-fraction: ;
+ --tw-ring-inset: ;
+ --tw-ring-offset-width: 0px;
+ --tw-ring-offset-color: #fff;
+ --tw-ring-color: rgb(59 130 246 / 0.5);
+ --tw-ring-offset-shadow: 0 0 #0000;
+ --tw-ring-shadow: 0 0 #0000;
+ --tw-shadow: 0 0 #0000;
+ --tw-shadow-colored: 0 0 #0000;
+ --tw-blur: ;
+ --tw-brightness: ;
+ --tw-contrast: ;
+ --tw-grayscale: ;
+ --tw-hue-rotate: ;
+ --tw-invert: ;
+ --tw-saturate: ;
+ --tw-sepia: ;
+ --tw-drop-shadow: ;
+ --tw-backdrop-blur: ;
+ --tw-backdrop-brightness: ;
+ --tw-backdrop-contrast: ;
+ --tw-backdrop-grayscale: ;
+ --tw-backdrop-hue-rotate: ;
+ --tw-backdrop-invert: ;
+ --tw-backdrop-opacity: ;
+ --tw-backdrop-saturate: ;
+ --tw-backdrop-sepia: ;
+}
+
+.static {
+ position: static;
+}
+
+.fixed {
+ position: fixed;
+}
+
+.cursor-move {
+ cursor: move;
+}
+
+.select-none {
+ -webkit-user-select: none;
+ -moz-user-select: none;
+ user-select: none;
+}
+
+.rounded {
+ border-radius: 0.25rem;
+}
+
+.border {
+ border-width: 1px;
+}
+
+.border-gray-400\/30 {
+ border-color: rgb(156 163 175 / 0.3);
+}
+
+.border-gray-400\/50 {
+ border-color: rgb(156 163 175 / 0.5);
+}
+
+.border-gray-500 {
+ --tw-border-opacity: 1;
+ border-color: rgb(107 114 128 / var(--tw-border-opacity));
+}
+
+.bg-\[--bg\] {
+ background-color: var(--bg);
+}
+
+.px-4 {
+ padding-left: 1rem;
+ padding-right: 1rem;
+}
+
+.py-2 {
+ padding-top: 0.5rem;
+ padding-bottom: 0.5rem;
+}
+
+.text-center {
+ text-align: center;
+}
+
+.text-sm {
+ font-size: 0.875rem;
+ line-height: 1.25rem;
+}
+
+.italic {
+ font-style: italic;
+}
+
+.text-\[--brand-color\] {
+ color: var(--brand-color);
+}
+
+.text-green-600 {
+ --tw-text-opacity: 1;
+ color: rgb(22 163 74 / var(--tw-text-opacity));
+}
+
+.opacity-50 {
+ opacity: 0.5;
+}
+
+.opacity-75 {
+ opacity: 0.75;
+}
+
+.shadow {
+ --tw-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
+ --tw-shadow-colored: 0 1px 3px 0 var(--tw-shadow-color), 0 1px 2px -1px var(--tw-shadow-color);
+ box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
+}
+
+.hover\:shadow-lg:hover {
+ --tw-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
+ --tw-shadow-colored: 0 10px 15px -3px var(--tw-shadow-color), 0 4px 6px -4px var(--tw-shadow-color);
+ box-shadow: var(--tw-ring-offset-shadow, 0 0 #0000), var(--tw-ring-shadow, 0 0 #0000), var(--tw-shadow);
+}
+
+@media (prefers-color-scheme: dark) {
+ .dark\:text-green-500 {
+ --tw-text-opacity: 1;
+ color: rgb(34 197 94 / var(--tw-text-opacity));
+ }
+}
\ No newline at end of file
diff --git a/examples/use_draggable/tailwind.config.js b/examples/use_draggable/tailwind.config.js
new file mode 100644
index 0000000..bc09f5e
--- /dev/null
+++ b/examples/use_draggable/tailwind.config.js
@@ -0,0 +1,15 @@
+/** @type {import('tailwindcss').Config} */
+module.exports = {
+ content: {
+ files: ["*.html", "./src/**/*.rs", "../../src/docs/**/*.rs"],
+ },
+ theme: {
+ extend: {},
+ },
+ corePlugins: {
+ preflight: false,
+ },
+ plugins: [
+ require('@tailwindcss/forms'),
+ ],
+}
\ No newline at end of file
diff --git a/src/core/mod.rs b/src/core/mod.rs
index b937068..0e0cb95 100644
--- a/src/core/mod.rs
+++ b/src/core/mod.rs
@@ -1,6 +1,7 @@
mod element_maybe_signal;
mod elements_maybe_signal;
mod maybe_rw_signal;
+mod pointer_type;
mod position;
mod size;
mod storage;
@@ -8,6 +9,7 @@ mod storage;
pub use element_maybe_signal::*;
pub use elements_maybe_signal::*;
pub use maybe_rw_signal::*;
+pub use pointer_type::*;
pub use position::*;
pub use size::*;
pub use storage::*;
diff --git a/src/core/pointer_type.rs b/src/core/pointer_type.rs
new file mode 100644
index 0000000..4379771
--- /dev/null
+++ b/src/core/pointer_type.rs
@@ -0,0 +1,32 @@
+use std::fmt::Display;
+use std::str::FromStr;
+
+#[derive(Debug, PartialEq, Eq, Clone, Copy, Hash)]
+pub enum PointerType {
+ Mouse,
+ Touch,
+ Pen,
+}
+
+impl Display for PointerType {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+ match self {
+ Self::Mouse => write!(f, "mouse"),
+ Self::Touch => write!(f, "touch"),
+ Self::Pen => write!(f, "pen"),
+ }
+ }
+}
+
+impl FromStr for PointerType {
+ type Err = ();
+
+ fn from_str(s: &str) -> Result
{
+ match s {
+ "mouse" => Ok(Self::Mouse),
+ "touch" => Ok(Self::Touch),
+ "pen" => Ok(Self::Pen),
+ _ => Err(()),
+ }
+ }
+}
diff --git a/src/core/position.rs b/src/core/position.rs
index f0a10da..c940540 100644
--- a/src/core/position.rs
+++ b/src/core/position.rs
@@ -1,4 +1,4 @@
-#[derive(Copy, Clone)]
+#[derive(Copy, Clone, Default)]
pub struct Position {
pub x: f64,
pub y: f64,
diff --git a/src/lib.rs b/src/lib.rs
index 17264ff..ccf36a0 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -21,6 +21,7 @@ cfg_if! { if #[cfg(web_sys_unstable_apis)] {
}}
mod on_click_outside;
+mod use_draggable;
mod use_to_string;
mod is_err;
mod is_ok;
@@ -61,6 +62,7 @@ mod watch_throttled;
mod whenever;
pub use on_click_outside::*;
+pub use use_draggable::*;
pub use use_to_string::*;
pub use is_err::*;
pub use is_ok::*;
diff --git a/src/use_draggable.rs b/src/use_draggable.rs
new file mode 100644
index 0000000..91ead28
--- /dev/null
+++ b/src/use_draggable.rs
@@ -0,0 +1,323 @@
+use crate::core::{ElementMaybeSignal, MaybeRwSignal, PointerType, Position};
+use crate::use_event_listener_with_options;
+use crate::utils::{CloneableFnMutWithArg, CloneableFnWithArgAndReturn};
+use default_struct_builder::DefaultBuilder;
+use leptos::ev::{pointerdown, pointermove, pointerup};
+use leptos::*;
+use std::marker::PhantomData;
+use wasm_bindgen::JsCast;
+use web_sys::PointerEvent;
+
+///
+///
+/// ## Demo
+///
+/// [Link to Demo](https://github.com/Synphonyte/leptos-use/tree/main/examples/use_draggable)
+///
+/// ## Usage
+///
+/// ```
+/// # use leptos::*;
+/// use leptos::html::Div;
+/// # use leptos_use::{use_draggable_with_options, UseDraggableOptions, UseDraggableReturn};
+/// use leptos_use::core::Position;
+/// #
+/// # #[component]
+/// # fn Demo(cx: Scope) -> impl IntoView {
+/// let el = create_node_ref::(cx);
+///
+/// // `style` is a helper string "left: {x}px; top: {y}px;"
+/// let UseDraggableReturn {
+/// x,
+/// y,
+/// style,
+/// ..
+/// } = use_draggable_with_options(
+/// cx,
+/// el,
+/// UseDraggableOptions::default().initial_value(Position { x: 40.0, y: 40.0 }),
+/// );
+///
+/// view! { cx,
+///
+/// Drag me! I am at { x }, { y }
+///
+/// }
+/// # }
+/// ```
+pub fn use_draggable
(cx: Scope, target: El) -> UseDraggableReturn
+where
+ (Scope, El): Into>,
+ T: Into + Clone + 'static,
+{
+ use_draggable_with_options::<
+ El,
+ T,
+ web_sys::EventTarget,
+ web_sys::EventTarget,
+ web_sys::EventTarget,
+ web_sys::EventTarget,
+ >(cx, target, UseDraggableOptions::default())
+}
+
+/// Version of [`use_draggable`] that takes a `UseDraggableOptions`. See [`use_draggable`] for how to use.
+pub fn use_draggable_with_options(
+ cx: Scope,
+ target: El,
+ options: UseDraggableOptions,
+) -> UseDraggableReturn
+where
+ (Scope, El): Into>,
+ T: Into + Clone + 'static,
+ DragEl: Clone,
+ (Scope, DragEl): Into>,
+ DragT: Into + Clone + 'static,
+ (Scope, HandleEl): Into>,
+ HandleT: Into + Clone + 'static,
+{
+ let UseDraggableOptions {
+ exact,
+ prevent_default,
+ stop_propagation,
+ dragging_element,
+ handle,
+ pointer_types,
+ initial_value,
+ on_start,
+ on_move,
+ on_end,
+ ..
+ } = options;
+
+ let target = (cx, target).into();
+
+ let dragging_handle = if let Some(handle) = handle {
+ let handle = (cx, handle).into();
+ Signal::derive(cx, move || handle.get().map(|handle| handle.into()))
+ } else {
+ let target = target.clone();
+ Signal::derive(cx, move || target.get().map(|target| target.into()))
+ };
+
+ let (position, set_position) = initial_value.into_signal(cx);
+ let (start_position, set_start_position) = create_signal(cx, None::);
+
+ let filter_event = move |event: &PointerEvent| {
+ let ty = event.pointer_type();
+ pointer_types.iter().any(|p| p.to_string() == ty)
+ };
+
+ let handle_event = move |event: PointerEvent| {
+ if prevent_default.get_untracked() {
+ event.prevent_default();
+ }
+ if stop_propagation.get_untracked() {
+ event.stop_propagation();
+ }
+ };
+
+ let on_pointer_down = {
+ let filter_event = filter_event.clone();
+
+ move |event: PointerEvent| {
+ if !filter_event(&event) {
+ return;
+ }
+
+ if let Some(target) = target.get_untracked() {
+ let target: web_sys::Element = target.into().unchecked_into();
+
+ if exact.get_untracked() && event_target::(&event) != target {
+ return;
+ }
+
+ let rect = target.get_bounding_client_rect();
+ let position = Position {
+ x: event.client_x() as f64 - rect.left(),
+ y: event.client_y() as f64 - rect.top(),
+ };
+ if !on_start.clone()(UseDraggableCallbackArgs {
+ position,
+ event: event.clone(),
+ }) {
+ return;
+ }
+ set_start_position.set(Some(position));
+ handle_event(event);
+ }
+ }
+ };
+
+ let on_pointer_move = {
+ let filter_event = filter_event.clone();
+
+ move |event: PointerEvent| {
+ if !filter_event(&event) {
+ return;
+ }
+ if let Some(start_position) = start_position.get_untracked() {
+ let position = Position {
+ x: event.client_x() as f64 - start_position.x,
+ y: event.client_y() as f64 - start_position.y,
+ };
+ set_position.set(position);
+ on_move.clone()(UseDraggableCallbackArgs {
+ position,
+ event: event.clone(),
+ });
+ handle_event(event);
+ }
+ }
+ };
+
+ let on_pointer_up = move |event: PointerEvent| {
+ if !filter_event(&event) {
+ return;
+ }
+ if start_position.get_untracked().is_none() {
+ return;
+ }
+ set_start_position.set(None);
+ on_end.clone()(UseDraggableCallbackArgs {
+ position: position.get_untracked(),
+ event: event.clone(),
+ });
+ handle_event(event);
+ };
+
+ let mut listener_options = web_sys::AddEventListenerOptions::new();
+ listener_options.capture(true);
+
+ let _ = use_event_listener_with_options(
+ cx,
+ dragging_handle,
+ pointerdown,
+ on_pointer_down,
+ listener_options.clone(),
+ );
+ let _ = use_event_listener_with_options(
+ cx,
+ dragging_element.clone(),
+ pointermove,
+ on_pointer_move,
+ listener_options.clone(),
+ );
+ let _ = use_event_listener_with_options(
+ cx,
+ dragging_element,
+ pointerup,
+ on_pointer_up,
+ listener_options,
+ );
+
+ UseDraggableReturn {
+ x: Signal::derive(cx, move || position.get().x),
+ y: Signal::derive(cx, move || position.get().y),
+ position,
+ set_position,
+ is_dragging: Signal::derive(cx, move || start_position.get().is_some()),
+ style: Signal::derive(cx, move || {
+ let position = position.get();
+ format!("left: {}px; top: {}px;", position.x, position.y)
+ }),
+ }
+}
+
+/// Options for [`use_draggable_with_options`].
+#[derive(DefaultBuilder)]
+pub struct UseDraggableOptions
+where
+ (Scope, DragEl): Into>,
+ DragT: Into + Clone + 'static,
+ (Scope, HandleEl): Into>,
+ HandleT: Into + Clone + 'static,
+{
+ /// Only start the dragging when click on the element directly. Defaults to `false`.
+ #[builder(into)]
+ exact: MaybeSignal,
+
+ /// Prevent events defaults. Defaults to `false`.
+ #[builder(into)]
+ prevent_default: MaybeSignal,
+
+ /// Prevent events propagation. Defaults to `false`.
+ #[builder(into)]
+ stop_propagation: MaybeSignal,
+
+ /// Element to attach `pointermove` and `pointerup` events to. Defaults to `window`.
+ dragging_element: DragEl,
+
+ /// Handle that triggers the drag event. Defaults to `target`.
+ handle: Option,
+
+ /// Pointer types that listen to. Defaults to `[Mouse, Touch, Pen]`.
+ pointer_types: Vec,
+
+ /// Initial position of the element. Defaults to `{ x: 0, y: 0 }`.
+ #[builder(into)]
+ initial_value: MaybeRwSignal,
+
+ /// Callback when the dragging starts. Return `false` to prevent dragging.
+ on_start: Box>,
+
+ /// Callback during dragging.
+ on_move: Box>,
+
+ /// Callback when dragging end.
+ on_end: Box>,
+
+ #[builder(skip)]
+ _marker1: PhantomData,
+ #[builder(skip)]
+ _marker2: PhantomData,
+}
+
+impl Default
+ for UseDraggableOptions<
+ web_sys::EventTarget,
+ web_sys::EventTarget,
+ web_sys::EventTarget,
+ web_sys::EventTarget,
+ >
+{
+ fn default() -> Self {
+ Self {
+ exact: MaybeSignal::default(),
+ prevent_default: MaybeSignal::default(),
+ stop_propagation: MaybeSignal::default(),
+ dragging_element: window().into(),
+ handle: None,
+ pointer_types: vec![PointerType::Mouse, PointerType::Touch, PointerType::Pen],
+ initial_value: MaybeRwSignal::default(),
+ on_start: Box::new(|_| true),
+ on_move: Box::new(|_| {}),
+ on_end: Box::new(|_| {}),
+ _marker1: PhantomData,
+ _marker2: PhantomData,
+ }
+ }
+}
+
+/// Argument for the `on_...` handler functions of [`UseDraggableOptions`].
+pub struct UseDraggableCallbackArgs {
+ /// Position of the `target` element
+ pub position: Position,
+ /// Original `PointerEvent` from the event listener
+ pub event: PointerEvent,
+}
+
+/// Return type of [`use_draggable`].
+pub struct UseDraggableReturn {
+ /// X coordinate of the element
+ pub x: Signal,
+ /// Y coordinate of the element
+ pub y: Signal,
+ /// Position of the element
+ pub position: Signal,
+ /// Set the position of the element manually
+ pub set_position: WriteSignal,
+ /// Whether the element is being dragged
+ pub is_dragging: Signal,
+ /// Style attribute "left: {x}px; top: {y}px;"
+ pub style: Signal,
+}