diff options
Diffstat (limited to 'pure/src/widget/container.rs')
-rw-r--r-- | pure/src/widget/container.rs | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/pure/src/widget/container.rs b/pure/src/widget/container.rs deleted file mode 100644 index 44ffff8c..00000000 --- a/pure/src/widget/container.rs +++ /dev/null @@ -1,263 +0,0 @@ -//! Decorate content and apply alignment. -use crate::widget::Tree; -use crate::{Element, Widget}; - -use iced_native::alignment; -use iced_native::event::{self, Event}; -use iced_native::layout; -use iced_native::mouse; -use iced_native::overlay; -use iced_native::renderer; -use iced_native::widget::container; -use iced_native::{ - Clipboard, Layout, Length, Padding, Point, Rectangle, Shell, -}; - -use std::u32; - -pub use iced_style::container::{Appearance, StyleSheet}; - -/// An element decorating some content. -/// -/// It is normally used for alignment purposes. -#[allow(missing_debug_implementations)] -pub struct Container<'a, Message, Renderer> -where - Renderer: iced_native::Renderer, - Renderer::Theme: container::StyleSheet, -{ - padding: Padding, - width: Length, - height: Length, - max_width: u32, - max_height: u32, - horizontal_alignment: alignment::Horizontal, - vertical_alignment: alignment::Vertical, - style: <Renderer::Theme as StyleSheet>::Style, - content: Element<'a, Message, Renderer>, -} - -impl<'a, Message, Renderer> Container<'a, Message, Renderer> -where - Renderer: iced_native::Renderer, - Renderer::Theme: container::StyleSheet, -{ - /// Creates an empty [`Container`]. - pub fn new<T>(content: T) -> Self - where - T: Into<Element<'a, Message, Renderer>>, - { - Container { - padding: Padding::ZERO, - width: Length::Shrink, - height: Length::Shrink, - max_width: u32::MAX, - max_height: u32::MAX, - horizontal_alignment: alignment::Horizontal::Left, - vertical_alignment: alignment::Vertical::Top, - style: Default::default(), - content: content.into(), - } - } - - /// Sets the [`Padding`] of the [`Container`]. - pub fn padding<P: Into<Padding>>(mut self, padding: P) -> Self { - self.padding = padding.into(); - self - } - - /// Sets the width of the [`Container`]. - pub fn width(mut self, width: Length) -> Self { - self.width = width; - self - } - - /// Sets the height of the [`Container`]. - pub fn height(mut self, height: Length) -> Self { - self.height = height; - self - } - - /// Sets the maximum width of the [`Container`]. - pub fn max_width(mut self, max_width: u32) -> Self { - self.max_width = max_width; - self - } - - /// Sets the maximum height of the [`Container`] in pixels. - pub fn max_height(mut self, max_height: u32) -> Self { - self.max_height = max_height; - self - } - - /// Sets the content alignment for the horizontal axis of the [`Container`]. - pub fn align_x(mut self, alignment: alignment::Horizontal) -> Self { - self.horizontal_alignment = alignment; - self - } - - /// Sets the content alignment for the vertical axis of the [`Container`]. - pub fn align_y(mut self, alignment: alignment::Vertical) -> Self { - self.vertical_alignment = alignment; - self - } - - /// Centers the contents in the horizontal axis of the [`Container`]. - pub fn center_x(mut self) -> Self { - self.horizontal_alignment = alignment::Horizontal::Center; - self - } - - /// Centers the contents in the vertical axis of the [`Container`]. - pub fn center_y(mut self) -> Self { - self.vertical_alignment = alignment::Vertical::Center; - self - } - - /// Sets the style of the [`Container`]. - pub fn style( - mut self, - style: impl Into<<Renderer::Theme as StyleSheet>::Style>, - ) -> Self { - self.style = style.into(); - self - } -} - -impl<'a, Message, Renderer> Widget<Message, Renderer> - for Container<'a, Message, Renderer> -where - Renderer: iced_native::Renderer, - Renderer::Theme: StyleSheet, -{ - fn children(&self) -> Vec<Tree> { - vec![Tree::new(&self.content)] - } - - fn diff(&self, tree: &mut Tree) { - tree.diff_children(std::slice::from_ref(&self.content)) - } - - fn width(&self) -> Length { - self.width - } - - fn height(&self) -> Length { - self.height - } - - fn layout( - &self, - renderer: &Renderer, - limits: &layout::Limits, - ) -> layout::Node { - container::layout( - renderer, - limits, - self.width, - self.height, - self.max_width, - self.max_height, - self.padding, - self.horizontal_alignment, - self.vertical_alignment, - |renderer, limits| { - self.content.as_widget().layout(renderer, limits) - }, - ) - } - - fn on_event( - &mut self, - tree: &mut Tree, - event: Event, - layout: Layout<'_>, - cursor_position: Point, - renderer: &Renderer, - clipboard: &mut dyn Clipboard, - shell: &mut Shell<'_, Message>, - ) -> event::Status { - self.content.as_widget_mut().on_event( - &mut tree.children[0], - event, - layout.children().next().unwrap(), - cursor_position, - renderer, - clipboard, - shell, - ) - } - - fn mouse_interaction( - &self, - tree: &Tree, - layout: Layout<'_>, - cursor_position: Point, - viewport: &Rectangle, - renderer: &Renderer, - ) -> mouse::Interaction { - self.content.as_widget().mouse_interaction( - &tree.children[0], - layout.children().next().unwrap(), - cursor_position, - viewport, - renderer, - ) - } - - fn draw( - &self, - tree: &Tree, - renderer: &mut Renderer, - theme: &Renderer::Theme, - renderer_style: &renderer::Style, - layout: Layout<'_>, - cursor_position: Point, - viewport: &Rectangle, - ) { - let style = theme.appearance(self.style); - - container::draw_background(renderer, &style, layout.bounds()); - - self.content.as_widget().draw( - &tree.children[0], - renderer, - theme, - &renderer::Style { - text_color: style - .text_color - .unwrap_or(renderer_style.text_color), - }, - layout.children().next().unwrap(), - cursor_position, - viewport, - ); - } - - fn overlay<'b>( - &'b self, - tree: &'b mut Tree, - layout: Layout<'_>, - renderer: &Renderer, - ) -> Option<overlay::Element<'b, Message, Renderer>> { - self.content.as_widget().overlay( - &mut tree.children[0], - layout.children().next().unwrap(), - renderer, - ) - } -} - -impl<'a, Message, Renderer> From<Container<'a, Message, Renderer>> - for Element<'a, Message, Renderer> -where - Message: 'a, - Renderer: 'a + iced_native::Renderer, - Renderer::Theme: StyleSheet, -{ - fn from( - column: Container<'a, Message, Renderer>, - ) -> Element<'a, Message, Renderer> { - Element::new(column) - } -} |