diff options
Diffstat (limited to 'native')
-rw-r--r-- | native/src/event.rs | 8 | ||||
-rw-r--r-- | native/src/lib.rs | 1 | ||||
-rw-r--r-- | native/src/touch.rs | 35 | ||||
-rw-r--r-- | native/src/widget/button.rs | 19 | ||||
-rw-r--r-- | native/src/widget/checkbox.rs | 7 | ||||
-rw-r--r-- | native/src/widget/radio.rs | 7 | ||||
-rw-r--r-- | native/src/widget/scrollable.rs | 49 | ||||
-rw-r--r-- | native/src/widget/slider.rs | 58 | ||||
-rw-r--r-- | native/src/widget/text_input.rs | 11 |
9 files changed, 160 insertions, 35 deletions
diff --git a/native/src/event.rs b/native/src/event.rs index 0e86171e..f3c260c0 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::Touch), } /// 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..88bd83bb --- /dev/null +++ b/native/src/touch.rs @@ -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, +} diff --git a/native/src/widget/button.rs b/native/src/widget/button.rs index dca20e13..7d5eb30c 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::{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; + } _ => {} } diff --git a/native/src/widget/checkbox.rs b/native/src/widget/checkbox.rs index 81420458..92175b25 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::{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 { diff --git a/native/src/widget/radio.rs b/native/src/widget/radio.rs index 4935569f..3a1dd386 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::{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()); diff --git a/native/src/widget/scrollable.rs b/native/src/widget/scrollable.rs index e23ab06a..8c321ee5 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::{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`]. diff --git a/native/src/widget/slider.rs b/native/src/widget/slider.rs index ff39b816..755e6b2b 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::{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; - - return event::Status::Captured; - } + 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; } - 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 { + phase: touch::Phase::Ended, + .. + }) => { + if self.state.is_dragging { + if let Some(on_release) = self.on_release.clone() { + messages.push(on_release); } - } - mouse::Event::CursorMoved { .. } => { - if self.state.is_dragging { - change(); + self.state.is_dragging = false; - return event::Status::Captured; - } + return event::Status::Captured; + } + } + Event::Mouse(mouse::Event::CursorMoved { .. }) + | Event::Touch(Touch { + phase: touch::Phase::Moved, + .. + }) => { + if self.state.is_dragging { + change(); + + return event::Status::Captured; } - _ => {} - }, + } _ => {} } diff --git a/native/src/widget/text_input.rs b/native/src/widget/text_input.rs index 3e637e97..ca71c20c 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::{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 { |