Rename iced_virtual to iced_pure
`virtual` is a reserved keyword in Rust 😬
This commit is contained in:
Héctor Ramón Jiménez
parent
e03de01988
commit
897188317b
15 changed files with 16 additions and 15 deletions
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@ -1,272 +0,0 @@
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use crate::widget::{Element, Tree, Widget};
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use iced_native::event::{self, Event};
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use iced_native::layout;
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use iced_native::mouse;
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use iced_native::renderer;
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use iced_native::touch;
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use iced_native::{
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Background, Clipboard, Color, Hasher, Layout, Length, Padding, Point,
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Rectangle, Shell, Vector,
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};
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use iced_style::button::StyleSheet;
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use std::any::Any;
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pub struct Button<Message, Renderer> {
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content: Element<Message, Renderer>,
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on_press: Option<Message>,
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style_sheet: Box<dyn StyleSheet>,
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width: Length,
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height: Length,
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padding: Padding,
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}
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impl<Message, Renderer> Button<Message, Renderer> {
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pub fn new(content: impl Into<Element<Message, Renderer>>) -> Self {
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Button {
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content: content.into(),
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on_press: None,
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style_sheet: Default::default(),
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width: Length::Shrink,
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height: Length::Shrink,
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padding: Padding::new(5),
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}
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}
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pub fn on_press(mut self, on_press: Message) -> Self {
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self.on_press = Some(on_press);
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self
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}
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}
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impl<Message, Renderer> Widget<Message, Renderer> for Button<Message, Renderer>
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where
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Message: 'static + Clone,
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Renderer: 'static + iced_native::Renderer,
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{
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fn tag(&self) -> std::any::TypeId {
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std::any::TypeId::of::<State>()
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}
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fn state(&self) -> Box<dyn Any> {
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Box::new(State { is_pressed: false })
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}
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fn children(&self) -> &[Element<Message, Renderer>] {
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std::slice::from_ref(&self.content)
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}
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fn width(&self) -> Length {
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self.width
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}
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fn height(&self) -> Length {
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self.height
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}
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fn hash_layout(&self, state: &mut Hasher) {
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use std::hash::Hash;
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self.tag().hash(state);
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self.width.hash(state);
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self.content.as_widget().hash_layout(state);
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}
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fn layout(
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&self,
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renderer: &Renderer,
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limits: &layout::Limits,
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) -> layout::Node {
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let limits = limits
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.width(self.width)
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.height(self.height)
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.pad(self.padding);
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let mut content = self.content.as_widget().layout(renderer, &limits);
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content.move_to(Point::new(
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self.padding.left.into(),
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self.padding.top.into(),
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));
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let size = limits.resolve(content.size()).pad(self.padding);
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layout::Node::with_children(size, vec![content])
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}
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fn on_event(
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&mut self,
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tree: &mut Tree<Message, Renderer>,
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event: Event,
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layout: Layout<'_>,
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cursor_position: Point,
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renderer: &Renderer,
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clipboard: &mut dyn Clipboard,
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shell: &mut Shell<'_, Message>,
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) -> event::Status {
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let state = if let Some(state) = tree.state.downcast_mut::<State>() {
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state
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} else {
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return event::Status::Ignored;
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};
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if let event::Status::Captured = self.content.as_widget_mut().on_event(
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&mut tree.children[0],
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event.clone(),
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layout.children().next().unwrap(),
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cursor_position,
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renderer,
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clipboard,
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shell,
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) {
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return event::Status::Captured;
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}
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match event {
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Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left))
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| Event::Touch(touch::Event::FingerPressed { .. }) => {
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if self.on_press.is_some() {
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let bounds = layout.bounds();
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if bounds.contains(cursor_position) {
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state.is_pressed = true;
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return event::Status::Captured;
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}
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}
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}
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Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left))
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| Event::Touch(touch::Event::FingerLifted { .. }) => {
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if let Some(on_press) = self.on_press.clone() {
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let bounds = layout.bounds();
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if state.is_pressed {
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state.is_pressed = false;
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if bounds.contains(cursor_position) {
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shell.publish(on_press);
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}
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return event::Status::Captured;
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}
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}
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}
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Event::Touch(touch::Event::FingerLost { .. }) => {
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state.is_pressed = false;
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}
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_ => {}
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}
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event::Status::Ignored
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}
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fn draw(
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&self,
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tree: &Tree<Message, Renderer>,
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renderer: &mut Renderer,
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_style: &renderer::Style,
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layout: Layout<'_>,
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cursor_position: Point,
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_viewport: &Rectangle,
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) {
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let state = if let Some(state) = tree.state.downcast_ref::<State>() {
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state
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} else {
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return;
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};
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let bounds = layout.bounds();
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let content_layout = layout.children().next().unwrap();
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let is_mouse_over = bounds.contains(cursor_position);
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let is_disabled = self.on_press.is_none();
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let styling = if is_disabled {
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self.style_sheet.disabled()
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} else if is_mouse_over {
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if state.is_pressed {
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self.style_sheet.pressed()
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} else {
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self.style_sheet.hovered()
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}
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} else {
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self.style_sheet.active()
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};
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if styling.background.is_some() || styling.border_width > 0.0 {
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if styling.shadow_offset != Vector::default() {
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// TODO: Implement proper shadow support
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renderer.fill_quad(
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renderer::Quad {
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bounds: Rectangle {
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x: bounds.x + styling.shadow_offset.x,
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y: bounds.y + styling.shadow_offset.y,
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..bounds
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},
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border_radius: styling.border_radius,
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border_width: 0.0,
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border_color: Color::TRANSPARENT,
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},
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Background::Color([0.0, 0.0, 0.0, 0.5].into()),
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);
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}
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renderer.fill_quad(
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renderer::Quad {
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bounds,
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border_radius: styling.border_radius,
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border_width: styling.border_width,
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border_color: styling.border_color,
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},
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styling
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.background
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.unwrap_or(Background::Color(Color::TRANSPARENT)),
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);
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}
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self.content.as_widget().draw(
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&tree.children[0],
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renderer,
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&renderer::Style {
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text_color: styling.text_color,
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},
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content_layout,
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cursor_position,
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&bounds,
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);
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}
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fn mouse_interaction(
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&self,
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_tree: &Tree<Message, Renderer>,
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layout: Layout<'_>,
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cursor_position: Point,
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_viewport: &Rectangle,
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_renderer: &Renderer,
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) -> mouse::Interaction {
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let is_mouse_over = layout.bounds().contains(cursor_position);
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let is_disabled = self.on_press.is_none();
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if is_mouse_over && !is_disabled {
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mouse::Interaction::Pointer
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} else {
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mouse::Interaction::default()
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}
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}
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}
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#[derive(Debug, Clone)]
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struct State {
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is_pressed: bool,
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}
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impl<Message, Renderer> Into<Element<Message, Renderer>>
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for Button<Message, Renderer>
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where
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Message: Clone + 'static,
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Renderer: iced_native::Renderer + 'static,
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{
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fn into(self) -> Element<Message, Renderer> {
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Element::new(self)
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}
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}
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