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dioxus_html/events/
pointer.rs

1use dioxus_core::Event;
2use keyboard_types::Modifiers;
3
4use crate::{geometry::*, input_data::*, *};
5
6/// A synthetic event that wraps a web-style [`PointerEvent`](https://developer.mozilla.org/en-US/docs/Web/API/PointerEvent)
7pub type PointerEvent = Event<PointerData>;
8
9pub struct PointerData {
10    inner: Box<dyn HasPointerData>,
11}
12
13impl PointerData {
14    /// Create a new PointerData
15    pub fn new(data: impl HasPointerData + 'static) -> Self {
16        Self::from(data)
17    }
18
19    /// Downcast this event to a concrete event type
20    #[inline(always)]
21    pub fn downcast<T: 'static>(&self) -> Option<&T> {
22        self.inner.as_any().downcast_ref::<T>()
23    }
24}
25
26impl<E: HasPointerData + 'static> From<E> for PointerData {
27    fn from(e: E) -> Self {
28        Self { inner: Box::new(e) }
29    }
30}
31
32impl std::fmt::Debug for PointerData {
33    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
34        f.debug_struct("PointerData")
35            .field("pointer_id", &self.pointer_id())
36            .field("width", &self.width())
37            .field("height", &self.height())
38            .field("pressure", &self.pressure())
39            .field("tangential_pressure", &self.tangential_pressure())
40            .field("tilt_x", &self.tilt_x())
41            .field("tilt_y", &self.tilt_y())
42            .field("twist", &self.twist())
43            .field("pointer_type", &self.pointer_type())
44            .field("is_primary", &self.is_primary())
45            .field("coordinates", &self.coordinates())
46            .field("modifiers", &self.modifiers())
47            .field("held_buttons", &self.held_buttons())
48            .field("trigger_button", &self.trigger_button())
49            .finish()
50    }
51}
52
53impl PartialEq for PointerData {
54    fn eq(&self, other: &Self) -> bool {
55        self.pointer_id() == other.pointer_id()
56            && self.width() == other.width()
57            && self.height() == other.height()
58            && self.pressure() == other.pressure()
59            && self.tangential_pressure() == other.tangential_pressure()
60            && self.tilt_x() == other.tilt_x()
61            && self.tilt_y() == other.tilt_y()
62            && self.twist() == other.twist()
63            && self.pointer_type() == other.pointer_type()
64            && self.is_primary() == other.is_primary()
65            && self.coordinates() == other.coordinates()
66            && self.modifiers() == other.modifiers()
67            && self.held_buttons() == other.held_buttons()
68            && self.trigger_button() == other.trigger_button()
69    }
70}
71
72/// A trait for any object that has the data for a pointer event
73pub trait HasPointerData: PointerInteraction {
74    /// Gets the unique identifier of the pointer causing the event.
75    fn pointer_id(&self) -> i32;
76
77    /// Gets the width (magnitude on the X axis), in CSS pixels, of the contact geometry of the pointer.
78    fn width(&self) -> f64;
79
80    /// Gets the height (magnitude on the Y axis), in CSS pixels, of the contact geometry of the pointer.
81    fn height(&self) -> f64;
82
83    /// Gets the normalized pressure of the pointer input in the range of 0 to 1,
84    fn pressure(&self) -> f32;
85
86    /// Gets the normalized tangential pressure of the pointer input (also known as barrel pressure or cylinder stress) in the range -1 to 1,
87    fn tangential_pressure(&self) -> f32;
88
89    /// Gets the plane angle (in degrees, in the range of -90 to 90) between the Y-Z plane and the plane containing both the transducer (e.g. pen stylus) axis and the Y axis.
90    fn tilt_x(&self) -> i32;
91
92    /// Gets the plane angle (in degrees, in the range of -90 to 90) between the X-Z plane and the plane containing both the transducer (e.g. pen stylus) axis and the X axis.
93    fn tilt_y(&self) -> i32;
94
95    /// Gets the clockwise rotation of the pointer (e.g. pen stylus) around its major axis in degrees, with a value in the range 0 to 359.The clockwise rotation of the pointer (e.g. pen stylus) around its major axis in degrees, with a value in the range 0 to 359.
96    fn twist(&self) -> i32;
97
98    /// Gets the device type that caused the event (mouse, pen, touch, etc.).
99    fn pointer_type(&self) -> String;
100
101    /// Gets if the pointer represents the primary pointer of this pointer type.
102    fn is_primary(&self) -> bool;
103
104    /// return self as Any
105    fn as_any(&self) -> &dyn std::any::Any;
106}
107
108impl PointerData {
109    /// Gets the unique identifier of the pointer causing the event.
110    pub fn pointer_id(&self) -> i32 {
111        self.inner.pointer_id()
112    }
113
114    /// Gets the width (magnitude on the X axis), in CSS pixels, of the contact geometry of the pointer.
115    pub fn width(&self) -> f64 {
116        self.inner.width()
117    }
118
119    /// Gets the height (magnitude on the Y axis), in CSS pixels, of the contact geometry of the pointer.
120    pub fn height(&self) -> f64 {
121        self.inner.height()
122    }
123
124    /// Gets the normalized pressure of the pointer input in the range of 0 to 1,
125    pub fn pressure(&self) -> f32 {
126        self.inner.pressure()
127    }
128
129    /// Gets the normalized tangential pressure of the pointer input (also known as barrel pressure or cylinder stress) in the range -1 to 1,
130    pub fn tangential_pressure(&self) -> f32 {
131        self.inner.tangential_pressure()
132    }
133
134    /// Gets the plane angle (in degrees, in the range of -90 to 90) between the Y-Z plane and the plane containing both the transducer (e.g. pen stylus) axis and the Y axis.
135    pub fn tilt_x(&self) -> i32 {
136        self.inner.tilt_x()
137    }
138
139    /// Gets the plane angle (in degrees, in the range of -90 to 90) between the X-Z plane and the plane containing both the transducer (e.g. pen stylus) axis and the X axis.
140    pub fn tilt_y(&self) -> i32 {
141        self.inner.tilt_y()
142    }
143
144    /// Gets the clockwise rotation of the pointer (e.g. pen stylus) around its major axis in degrees, with a value in the range 0 to 359.The clockwise rotation of the pointer (e.g. pen stylus) around its major axis in degrees, with a value in the range 0 to 359.
145    pub fn twist(&self) -> i32 {
146        self.inner.twist()
147    }
148
149    /// Gets the device type that caused the event (mouse, pen, touch, etc.).
150    pub fn pointer_type(&self) -> String {
151        self.inner.pointer_type()
152    }
153
154    /// Gets if the pointer represents the primary pointer of this pointer type.
155    pub fn is_primary(&self) -> bool {
156        self.inner.is_primary()
157    }
158}
159
160impl InteractionLocation for PointerData {
161    fn client_coordinates(&self) -> ClientPoint {
162        self.inner.client_coordinates()
163    }
164
165    fn screen_coordinates(&self) -> ScreenPoint {
166        self.inner.screen_coordinates()
167    }
168
169    fn page_coordinates(&self) -> PagePoint {
170        self.inner.page_coordinates()
171    }
172}
173
174impl InteractionElementOffset for PointerData {
175    fn element_coordinates(&self) -> ElementPoint {
176        self.inner.element_coordinates()
177    }
178}
179
180impl ModifiersInteraction for PointerData {
181    fn modifiers(&self) -> Modifiers {
182        self.inner.modifiers()
183    }
184}
185
186impl PointerInteraction for PointerData {
187    fn held_buttons(&self) -> MouseButtonSet {
188        self.inner.held_buttons()
189    }
190
191    fn trigger_button(&self) -> Option<MouseButton> {
192        self.inner.trigger_button()
193    }
194}
195
196#[cfg(feature = "serialize")]
197/// A serialized version of PointerData
198#[derive(serde::Serialize, serde::Deserialize, Debug, PartialEq, Clone)]
199pub struct SerializedPointerData {
200    /// Common data for all pointer/mouse events
201    #[serde(flatten)]
202    point_data: crate::point_interaction::SerializedPointInteraction,
203
204    /// The unique identifier of the pointer causing the event.
205    pointer_id: i32,
206
207    /// The width (magnitude on the X axis), in CSS pixels, of the contact geometry of the pointer.
208    width: f64,
209
210    /// The height (magnitude on the Y axis), in CSS pixels, of the contact geometry of the pointer.
211    height: f64,
212
213    /// The normalized pressure of the pointer input in the range of 0 to 1,
214    pressure: f32,
215
216    /// The normalized tangential pressure of the pointer input (also known as barrel pressure or cylinder stress) in the range -1 to 1,
217    tangential_pressure: f32,
218
219    /// The plane angle (in degrees, in the range of -90 to 90) between the Y-Z plane and the plane containing both the transducer (e.g. pen stylus) axis and the Y axis.
220    tilt_x: i32,
221
222    /// The plane angle (in degrees, in the range of -90 to 90) between the X-Z plane and the plane containing both the transducer (e.g. pen stylus) axis and the X axis.
223    tilt_y: i32,
224
225    /// The clockwise rotation of the pointer (e.g. pen stylus) around its major axis in degrees, with a value in the range 0 to 359.The clockwise rotation of the pointer (e.g. pen stylus) around its major axis in degrees, with a value in the range 0 to 359.
226    twist: i32,
227
228    /// Indicates the device type that caused the event (mouse, pen, touch, etc.).
229    pointer_type: String,
230
231    /// Indicates if the pointer represents the primary pointer of this pointer type.
232    is_primary: bool,
233}
234
235#[cfg(feature = "serialize")]
236impl HasPointerData for SerializedPointerData {
237    fn pointer_id(&self) -> i32 {
238        self.pointer_id
239    }
240
241    fn width(&self) -> f64 {
242        self.width
243    }
244
245    fn height(&self) -> f64 {
246        self.height
247    }
248
249    fn pressure(&self) -> f32 {
250        self.pressure
251    }
252
253    fn tangential_pressure(&self) -> f32 {
254        self.tangential_pressure
255    }
256
257    fn tilt_x(&self) -> i32 {
258        self.tilt_x
259    }
260
261    fn tilt_y(&self) -> i32 {
262        self.tilt_y
263    }
264
265    fn twist(&self) -> i32 {
266        self.twist
267    }
268
269    fn pointer_type(&self) -> String {
270        self.pointer_type.clone()
271    }
272
273    fn is_primary(&self) -> bool {
274        self.is_primary
275    }
276
277    fn as_any(&self) -> &dyn std::any::Any {
278        self
279    }
280}
281
282#[cfg(feature = "serialize")]
283impl InteractionLocation for SerializedPointerData {
284    fn client_coordinates(&self) -> ClientPoint {
285        self.point_data.client_coordinates()
286    }
287
288    fn screen_coordinates(&self) -> ScreenPoint {
289        self.point_data.screen_coordinates()
290    }
291
292    fn page_coordinates(&self) -> PagePoint {
293        self.point_data.page_coordinates()
294    }
295}
296
297#[cfg(feature = "serialize")]
298impl InteractionElementOffset for SerializedPointerData {
299    fn element_coordinates(&self) -> ElementPoint {
300        self.point_data.element_coordinates()
301    }
302}
303
304#[cfg(feature = "serialize")]
305impl ModifiersInteraction for SerializedPointerData {
306    fn modifiers(&self) -> Modifiers {
307        self.point_data.modifiers()
308    }
309}
310
311#[cfg(feature = "serialize")]
312impl PointerInteraction for SerializedPointerData {
313    fn held_buttons(&self) -> MouseButtonSet {
314        self.point_data.held_buttons()
315    }
316
317    fn trigger_button(&self) -> Option<MouseButton> {
318        self.point_data.trigger_button()
319    }
320}
321
322#[cfg(feature = "serialize")]
323impl From<&PointerData> for SerializedPointerData {
324    fn from(data: &PointerData) -> Self {
325        Self {
326            point_data: data.into(),
327            pointer_id: data.pointer_id(),
328            width: data.width(),
329            height: data.height(),
330            pressure: data.pressure(),
331            tangential_pressure: data.tangential_pressure(),
332            tilt_x: data.tilt_x(),
333            tilt_y: data.tilt_y(),
334            twist: data.twist(),
335            pointer_type: data.pointer_type().to_string(),
336            is_primary: data.is_primary(),
337        }
338    }
339}
340
341#[cfg(feature = "serialize")]
342impl serde::Serialize for PointerData {
343    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
344        SerializedPointerData::from(self).serialize(serializer)
345    }
346}
347
348#[cfg(feature = "serialize")]
349impl<'de> serde::Deserialize<'de> for PointerData {
350    fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
351        let data = SerializedPointerData::deserialize(deserializer)?;
352        Ok(Self {
353            inner: Box::new(data),
354        })
355    }
356}