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Merge branch 'ios-support-wip' into feature/touch-support

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This commit is contained in:
Héctor Ramón Jiménez 2020-12-15 06:13:19 +01:00
commit 09110a93b0
11 changed files with 186 additions and 41 deletions
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8
native/src/event.rs
View file

@ -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::Touch),
}
/// The status of an [`Event`] after being processed.

1
native/src/lib.rs
View file

@ -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;

35
native/src/touch.rs Normal file
View file

@ -0,0 +1,35 @@
//! Build touch events.
use crate::Point;
/// A touch interaction.
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Touch {
/// The finger of the touch.
pub finger: Finger,
/// The position of the touch.
pub position: Point,
/// The state of the touch.
pub phase: Phase,
}
/// A unique identifier representing a finger on a touch interaction.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct Finger(pub u64);
/// The state of a touch interaction.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
pub enum Phase {
/// A touch interaction was started.
Started,
/// An on-going touch interaction was moved.
Moved,
/// A touch interaction was ended.
Ended,
/// A touch interaction was canceled.
Canceled,
}

19
native/src/widget/button.rs
View file

@ -4,6 +4,7 @@
use crate::event::{self, Event};
use crate::layout;
use crate::mouse;
use crate::touch::{self, Touch};
use crate::{
Clipboard, Element, Hasher, Layout, Length, Point, Rectangle, Widget,
};
@ -164,7 +165,11 @@ 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 {
phase: touch::Phase::Started,
..
}) => {
if self.on_press.is_some() {
let bounds = layout.bounds();
@ -175,7 +180,11 @@ where
}
}
}
Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left)) => {
Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left))
| Event::Touch(Touch {
phase: touch::Phase::Ended,
..
}) => {
if let Some(on_press) = self.on_press.clone() {
let bounds = layout.bounds();
@ -190,6 +199,12 @@ where
}
}
}
Event::Touch(Touch {
phase: touch::Phase::Canceled,
..
}) => {
self.state.is_pressed = false;
}
_ => {}
}

7
native/src/widget/checkbox.rs
View file

@ -6,6 +6,7 @@ use crate::layout;
use crate::mouse;
use crate::row;
use crate::text;
use crate::touch::{self, Touch};
use crate::{
Align, Clipboard, Element, Hasher, HorizontalAlignment, Layout, Length,
Point, Rectangle, Row, Text, VerticalAlignment, Widget,
@ -154,7 +155,11 @@ 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 {
phase: touch::Phase::Started,
..
}) => {
let mouse_over = layout.bounds().contains(cursor_position);
if mouse_over {

7
native/src/widget/radio.rs
View file

@ -4,6 +4,7 @@ use crate::layout;
use crate::mouse;
use crate::row;
use crate::text;
use crate::touch::{self, Touch};
use crate::{
Align, Clipboard, Element, Hasher, HorizontalAlignment, Layout, Length,
Point, Rectangle, Row, Text, VerticalAlignment, Widget,
@ -160,7 +161,11 @@ 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 {
phase: touch::Phase::Started,
..
}) => {
if layout.bounds().contains(cursor_position) {
messages.push(self.on_click.clone());

49
native/src/widget/scrollable.rs
View file

@ -4,6 +4,7 @@ use crate::event::{self, Event};
use crate::layout;
use crate::mouse;
use crate::overlay;
use crate::touch::{self, Touch};
use crate::{
Align, Clipboard, Column, Element, Hasher, Layout, Length, Point,
Rectangle, Size, Vector, Widget,
@ -229,6 +230,26 @@ where
return event::Status::Captured;
}
Event::Touch(Touch { phase, .. }) => match phase {
touch::Phase::Started => {
self.state.scroll_box_touched_at =
Some(cursor_position);
}
touch::Phase::Moved => {
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::Phase::Ended | touch::Phase::Canceled => {
self.state.scroll_box_touched_at = None;
}
},
_ => {}
}
}
@ -237,12 +258,24 @@ where
match event {
Event::Mouse(mouse::Event::ButtonReleased(
mouse::Button::Left,
)) => {
))
| Event::Touch(Touch {
phase: touch::Phase::Ended,
..
})
| Event::Touch(Touch {
phase: touch::Phase::Canceled,
..
}) => {
self.state.scroller_grabbed_at = None;
return event::Status::Captured;
}
Event::Mouse(mouse::Event::CursorMoved { .. }) => {
Event::Mouse(mouse::Event::CursorMoved { .. })
| Event::Touch(Touch {
phase: touch::Phase::Moved,
..
}) => {
if let (Some(scrollbar), Some(scroller_grabbed_at)) =
(scrollbar, self.state.scroller_grabbed_at)
{
@ -264,7 +297,11 @@ where
match event {
Event::Mouse(mouse::Event::ButtonPressed(
mouse::Button::Left,
)) => {
))
| Event::Touch(Touch {
phase: touch::Phase::Started,
..
}) => {
if let Some(scrollbar) = scrollbar {
if let Some(scroller_grabbed_at) =
scrollbar.grab_scroller(cursor_position)
@ -385,6 +422,7 @@ where
#[derive(Debug, Clone, Copy, Default)]
pub struct State {
scroller_grabbed_at: Option<f32>,
scroll_box_touched_at: Option<Point>,
offset: f32,
}
@ -439,6 +477,11 @@ 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`].

54
native/src/widget/slider.rs
View file

@ -4,6 +4,7 @@
use crate::event::{self, Event};
use crate::layout;
use crate::mouse;
use crate::touch::{self, Touch};
use crate::{
Clipboard, Element, Hasher, Layout, Length, Point, Rectangle, Size, Widget,
};
@ -207,34 +208,43 @@ 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 {
phase: touch::Phase::Started,
..
}) => {
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;
}
Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left))
| Event::Touch(Touch {
phase: touch::Phase::Ended,
..
}) => {
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;
}
return event::Status::Captured;
}
mouse::Event::CursorMoved { .. } => {
if self.state.is_dragging {
change();
}
Event::Mouse(mouse::Event::CursorMoved { .. })
| Event::Touch(Touch {
phase: touch::Phase::Moved,
..
}) => {
if self.state.is_dragging {
change();
return event::Status::Captured;
}
return event::Status::Captured;
}
_ => {}
},
}
_ => {}
}

11
native/src/widget/text_input.rs
View file

@ -16,6 +16,7 @@ use crate::keyboard;
use crate::layout;
use crate::mouse::{self, click};
use crate::text;
use crate::touch::{self, Touch};
use crate::{
Clipboard, Element, Hasher, Layout, Length, Point, Rectangle, Size, Widget,
};
@ -247,7 +248,11 @@ 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 {
phase: touch::Phase::Started,
..
}) => {
let is_clicked = layout.bounds().contains(cursor_position);
self.state.is_focused = is_clicked;
@ -321,10 +326,10 @@ where
Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left)) => {
self.state.is_dragging = false;
}
Event::Mouse(mouse::Event::CursorMoved { x, .. }) => {
Event::Mouse(mouse::Event::CursorMoved { 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 {