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-rw-r--r--native/src/event.rs8
-rw-r--r--native/src/lib.rs1
-rw-r--r--native/src/touch.rs23
-rw-r--r--native/src/widget/button.rs10
-rw-r--r--native/src/widget/checkbox.rs4
-rw-r--r--native/src/widget/radio.rs4
-rw-r--r--native/src/widget/scrollable.rs48
-rw-r--r--native/src/widget/slider.rs46
-rw-r--r--native/src/widget/text_input.rs13
9 files changed, 123 insertions, 34 deletions
diff --git a/native/src/event.rs b/native/src/event.rs
index 0e86171e..205bb797 100644
--- a/native/src/event.rs
+++ b/native/src/event.rs
@@ -1,5 +1,8 @@
//! Handle events of a user interface.
-use crate::{keyboard, mouse, window};
+use crate::keyboard;
+use crate::mouse;
+use crate::touch;
+use crate::window;
/// A user interface event.
///
@@ -17,6 +20,9 @@ pub enum Event {
/// A window event
Window(window::Event),
+
+ /// A touch event
+ Touch(touch::Event),
}
/// The status of an [`Event`] after being processed.
diff --git a/native/src/lib.rs b/native/src/lib.rs
index f9a99c48..0890785b 100644
--- a/native/src/lib.rs
+++ b/native/src/lib.rs
@@ -41,6 +41,7 @@ pub mod overlay;
pub mod program;
pub mod renderer;
pub mod subscription;
+pub mod touch;
pub mod widget;
pub mod window;
diff --git a/native/src/touch.rs b/native/src/touch.rs
new file mode 100644
index 00000000..18120644
--- /dev/null
+++ b/native/src/touch.rs
@@ -0,0 +1,23 @@
+//! Build touch events.
+use crate::Point;
+
+/// A touch interaction.
+#[derive(Debug, Clone, Copy, PartialEq)]
+#[allow(missing_docs)]
+pub enum Event {
+ /// A touch interaction was started.
+ FingerPressed { id: Finger, position: Point },
+
+ /// An on-going touch interaction was moved.
+ FingerMoved { id: Finger, position: Point },
+
+ /// A touch interaction was ended.
+ FingerLifted { id: Finger, position: Point },
+
+ /// A touch interaction was canceled.
+ FingerLost { id: Finger, position: Point },
+}
+
+/// A unique identifier representing a finger on a touch interaction.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub struct Finger(pub u64);
diff --git a/native/src/widget/button.rs b/native/src/widget/button.rs
index dca20e13..8e2450de 100644
--- a/native/src/widget/button.rs
+++ b/native/src/widget/button.rs
@@ -4,6 +4,7 @@
use crate::event::{self, Event};
use crate::layout;
use crate::mouse;
+use crate::touch;
use crate::{
Clipboard, Element, Hasher, Layout, Length, Point, Rectangle, Widget,
};
@@ -164,7 +165,8 @@ where
_clipboard: Option<&dyn Clipboard>,
) -> event::Status {
match event {
- Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left)) => {
+ Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left))
+ | Event::Touch(touch::Event::FingerPressed { .. }) => {
if self.on_press.is_some() {
let bounds = layout.bounds();
@@ -175,7 +177,8 @@ where
}
}
}
- Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left)) => {
+ Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left))
+ | Event::Touch(touch::Event::FingerLifted { .. }) => {
if let Some(on_press) = self.on_press.clone() {
let bounds = layout.bounds();
@@ -190,6 +193,9 @@ where
}
}
}
+ Event::Touch(touch::Event::FingerLost { .. }) => {
+ self.state.is_pressed = false;
+ }
_ => {}
}
diff --git a/native/src/widget/checkbox.rs b/native/src/widget/checkbox.rs
index 81420458..77a82fad 100644
--- a/native/src/widget/checkbox.rs
+++ b/native/src/widget/checkbox.rs
@@ -6,6 +6,7 @@ use crate::layout;
use crate::mouse;
use crate::row;
use crate::text;
+use crate::touch;
use crate::{
Align, Clipboard, Element, Hasher, HorizontalAlignment, Layout, Length,
Point, Rectangle, Row, Text, VerticalAlignment, Widget,
@@ -154,7 +155,8 @@ where
_clipboard: Option<&dyn Clipboard>,
) -> event::Status {
match event {
- Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left)) => {
+ Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left))
+ | Event::Touch(touch::Event::FingerPressed { .. }) => {
let mouse_over = layout.bounds().contains(cursor_position);
if mouse_over {
diff --git a/native/src/widget/radio.rs b/native/src/widget/radio.rs
index 4935569f..69952345 100644
--- a/native/src/widget/radio.rs
+++ b/native/src/widget/radio.rs
@@ -4,6 +4,7 @@ use crate::layout;
use crate::mouse;
use crate::row;
use crate::text;
+use crate::touch;
use crate::{
Align, Clipboard, Element, Hasher, HorizontalAlignment, Layout, Length,
Point, Rectangle, Row, Text, VerticalAlignment, Widget,
@@ -160,7 +161,8 @@ where
_clipboard: Option<&dyn Clipboard>,
) -> event::Status {
match event {
- Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left)) => {
+ Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left))
+ | Event::Touch(touch::Event::FingerPressed { .. }) => {
if layout.bounds().contains(cursor_position) {
messages.push(self.on_click.clone());
diff --git a/native/src/widget/scrollable.rs b/native/src/widget/scrollable.rs
index e23ab06a..18cdf169 100644
--- a/native/src/widget/scrollable.rs
+++ b/native/src/widget/scrollable.rs
@@ -4,6 +4,7 @@ use crate::event::{self, Event};
use crate::layout;
use crate::mouse;
use crate::overlay;
+use crate::touch;
use crate::{
Align, Clipboard, Column, Element, Hasher, Layout, Length, Point,
Rectangle, Size, Vector, Widget,
@@ -229,6 +230,37 @@ where
return event::Status::Captured;
}
+ Event::Touch(event) => {
+ match event {
+ touch::Event::FingerPressed { .. } => {
+ self.state.scroll_box_touched_at =
+ Some(cursor_position);
+ }
+ touch::Event::FingerMoved { .. } => {
+ if let Some(scroll_box_touched_at) =
+ self.state.scroll_box_touched_at
+ {
+ let delta =
+ cursor_position.y - scroll_box_touched_at.y;
+
+ self.state.scroll(
+ delta,
+ bounds,
+ content_bounds,
+ );
+
+ self.state.scroll_box_touched_at =
+ Some(cursor_position);
+ }
+ }
+ touch::Event::FingerLifted { .. }
+ | touch::Event::FingerLost { .. } => {
+ self.state.scroll_box_touched_at = None;
+ }
+ }
+
+ return event::Status::Captured;
+ }
_ => {}
}
}
@@ -237,12 +269,15 @@ where
match event {
Event::Mouse(mouse::Event::ButtonReleased(
mouse::Button::Left,
- )) => {
+ ))
+ | Event::Touch(touch::Event::FingerLifted { .. })
+ | Event::Touch(touch::Event::FingerLost { .. }) => {
self.state.scroller_grabbed_at = None;
return event::Status::Captured;
}
- Event::Mouse(mouse::Event::CursorMoved { .. }) => {
+ Event::Mouse(mouse::Event::CursorMoved { .. })
+ | Event::Touch(touch::Event::FingerMoved { .. }) => {
if let (Some(scrollbar), Some(scroller_grabbed_at)) =
(scrollbar, self.state.scroller_grabbed_at)
{
@@ -264,7 +299,8 @@ where
match event {
Event::Mouse(mouse::Event::ButtonPressed(
mouse::Button::Left,
- )) => {
+ ))
+ | Event::Touch(touch::Event::FingerPressed { .. }) => {
if let Some(scrollbar) = scrollbar {
if let Some(scroller_grabbed_at) =
scrollbar.grab_scroller(cursor_position)
@@ -385,6 +421,7 @@ where
#[derive(Debug, Clone, Copy, Default)]
pub struct State {
scroller_grabbed_at: Option<f32>,
+ scroll_box_touched_at: Option<Point>,
offset: f32,
}
@@ -439,6 +476,11 @@ impl State {
pub fn is_scroller_grabbed(&self) -> bool {
self.scroller_grabbed_at.is_some()
}
+
+ /// Returns whether the scroll box is currently touched or not.
+ pub fn is_scroll_box_touched(&self) -> bool {
+ self.scroll_box_touched_at.is_some()
+ }
}
/// The scrollbar of a [`Scrollable`].
diff --git a/native/src/widget/slider.rs b/native/src/widget/slider.rs
index ff39b816..010c6e53 100644
--- a/native/src/widget/slider.rs
+++ b/native/src/widget/slider.rs
@@ -4,6 +4,7 @@
use crate::event::{self, Event};
use crate::layout;
use crate::mouse;
+use crate::touch;
use crate::{
Clipboard, Element, Hasher, Layout, Length, Point, Rectangle, Size, Widget,
};
@@ -207,34 +208,35 @@ where
};
match event {
- Event::Mouse(mouse_event) => match mouse_event {
- mouse::Event::ButtonPressed(mouse::Button::Left) => {
- if layout.bounds().contains(cursor_position) {
- change();
- self.state.is_dragging = true;
+ Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left))
+ | Event::Touch(touch::Event::FingerPressed { .. }) => {
+ if layout.bounds().contains(cursor_position) {
+ change();
+ self.state.is_dragging = true;
- return event::Status::Captured;
- }
+ return event::Status::Captured;
}
- mouse::Event::ButtonReleased(mouse::Button::Left) => {
- if self.state.is_dragging {
- if let Some(on_release) = self.on_release.clone() {
- messages.push(on_release);
- }
- self.state.is_dragging = false;
-
- return event::Status::Captured;
+ }
+ Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left))
+ | Event::Touch(touch::Event::FingerLifted { .. })
+ | Event::Touch(touch::Event::FingerLost { .. }) => {
+ if self.state.is_dragging {
+ if let Some(on_release) = self.on_release.clone() {
+ messages.push(on_release);
}
+ self.state.is_dragging = false;
+
+ return event::Status::Captured;
}
- mouse::Event::CursorMoved { .. } => {
- if self.state.is_dragging {
- change();
+ }
+ Event::Mouse(mouse::Event::CursorMoved { .. })
+ | Event::Touch(touch::Event::FingerMoved { .. }) => {
+ if self.state.is_dragging {
+ change();
- return event::Status::Captured;
- }
+ return event::Status::Captured;
}
- _ => {}
- },
+ }
_ => {}
}
diff --git a/native/src/widget/text_input.rs b/native/src/widget/text_input.rs
index 3e637e97..2fd9cec1 100644
--- a/native/src/widget/text_input.rs
+++ b/native/src/widget/text_input.rs
@@ -16,6 +16,7 @@ use crate::keyboard;
use crate::layout;
use crate::mouse::{self, click};
use crate::text;
+use crate::touch;
use crate::{
Clipboard, Element, Hasher, Layout, Length, Point, Rectangle, Size, Widget,
};
@@ -247,7 +248,8 @@ where
clipboard: Option<&dyn Clipboard>,
) -> event::Status {
match event {
- Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left)) => {
+ Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left))
+ | Event::Touch(touch::Event::FingerPressed { .. }) => {
let is_clicked = layout.bounds().contains(cursor_position);
self.state.is_focused = is_clicked;
@@ -318,13 +320,16 @@ where
return event::Status::Captured;
}
}
- Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left)) => {
+ Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left))
+ | Event::Touch(touch::Event::FingerLifted { .. })
+ | Event::Touch(touch::Event::FingerLost { .. }) => {
self.state.is_dragging = false;
}
- Event::Mouse(mouse::Event::CursorMoved { x, .. }) => {
+ Event::Mouse(mouse::Event::CursorMoved { position })
+ | Event::Touch(touch::Event::FingerMoved { position, .. }) => {
if self.state.is_dragging {
let text_layout = layout.children().next().unwrap();
- let target = x - text_layout.bounds().x;
+ let target = position.x - text_layout.bounds().x;
if target > 0.0 {
let value = if self.is_secure {
generated by cgit (git 2.34.1) at 2025-04-19 00:44:19 +0000