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Diffstat (limited to 'pure/src/widget/column.rs')
| -rw-r--r-- | pure/src/widget/column.rs | 246 |
1 files changed, 0 insertions, 246 deletions
diff --git a/pure/src/widget/column.rs b/pure/src/widget/column.rs deleted file mode 100644 index 027eff0a..00000000 --- a/pure/src/widget/column.rs +++ /dev/null @@ -1,246 +0,0 @@ -use crate::flex; -use crate::overlay; -use crate::widget::Tree; -use crate::{Element, Widget}; - -use iced_native::event::{self, Event}; -use iced_native::layout::{self, Layout}; -use iced_native::mouse; -use iced_native::renderer; -use iced_native::{ - Alignment, Clipboard, Length, Padding, Point, Rectangle, Shell, -}; - -use std::u32; - -/// A container that distributes its contents vertically. -pub struct Column<'a, Message, Renderer> { - spacing: u16, - padding: Padding, - width: Length, - height: Length, - max_width: u32, - align_items: Alignment, - children: Vec<Element<'a, Message, Renderer>>, -} - -impl<'a, Message, Renderer> Column<'a, Message, Renderer> { - /// Creates an empty [`Column`]. - pub fn new() -> Self { - Self::with_children(Vec::new()) - } - - /// Creates a [`Column`] with the given elements. - pub fn with_children( - children: Vec<Element<'a, Message, Renderer>>, - ) -> Self { - Column { - spacing: 0, - padding: Padding::ZERO, - width: Length::Shrink, - height: Length::Shrink, - max_width: u32::MAX, - align_items: Alignment::Start, - children, - } - } - - /// Sets the vertical spacing _between_ elements. - /// - /// Custom margins per element do not exist in iced. You should use this - /// method instead! While less flexible, it helps you keep spacing between - /// elements consistent. - pub fn spacing(mut self, units: u16) -> Self { - self.spacing = units; - self - } - - /// Sets the [`Padding`] of the [`Column`]. - pub fn padding<P: Into<Padding>>(mut self, padding: P) -> Self { - self.padding = padding.into(); - self - } - - /// Sets the width of the [`Column`]. - pub fn width(mut self, width: Length) -> Self { - self.width = width; - self - } - - /// Sets the height of the [`Column`]. - pub fn height(mut self, height: Length) -> Self { - self.height = height; - self - } - - /// Sets the maximum width of the [`Column`]. - pub fn max_width(mut self, max_width: u32) -> Self { - self.max_width = max_width; - self - } - - /// Sets the horizontal alignment of the contents of the [`Column`] . - pub fn align_items(mut self, align: Alignment) -> Self { - self.align_items = align; - self - } - - /// Adds an element to the [`Column`]. - pub fn push( - mut self, - child: impl Into<Element<'a, Message, Renderer>>, - ) -> Self { - self.children.push(child.into()); - self - } -} - -impl<'a, Message, Renderer> Default for Column<'a, Message, Renderer> { - fn default() -> Self { - Self::new() - } -} - -impl<'a, Message, Renderer> Widget<Message, Renderer> - for Column<'a, Message, Renderer> -where - Renderer: iced_native::Renderer, -{ - fn children(&self) -> Vec<Tree> { - self.children.iter().map(Tree::new).collect() - } - - fn diff(&self, tree: &mut Tree) { - tree.diff_children(&self.children); - } - - fn width(&self) -> Length { - self.width - } - - fn height(&self) -> Length { - self.height - } - - fn layout( - &self, - renderer: &Renderer, - limits: &layout::Limits, - ) -> layout::Node { - let limits = limits - .max_width(self.max_width) - .width(self.width) - .height(self.height); - - flex::resolve( - flex::Axis::Vertical, - renderer, - &limits, - self.padding, - self.spacing as f32, - self.align_items, - &self.children, - ) - } - - 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.children - .iter_mut() - .zip(&mut tree.children) - .zip(layout.children()) - .map(|((child, state), layout)| { - child.as_widget_mut().on_event( - state, - event.clone(), - layout, - cursor_position, - renderer, - clipboard, - shell, - ) - }) - .fold(event::Status::Ignored, event::Status::merge) - } - - fn mouse_interaction( - &self, - tree: &Tree, - layout: Layout<'_>, - cursor_position: Point, - viewport: &Rectangle, - renderer: &Renderer, - ) -> mouse::Interaction { - self.children - .iter() - .zip(&tree.children) - .zip(layout.children()) - .map(|((child, state), layout)| { - child.as_widget().mouse_interaction( - state, - layout, - cursor_position, - viewport, - renderer, - ) - }) - .max() - .unwrap_or_default() - } - - fn draw( - &self, - tree: &Tree, - renderer: &mut Renderer, - theme: &Renderer::Theme, - style: &renderer::Style, - layout: Layout<'_>, - cursor_position: Point, - viewport: &Rectangle, - ) { - for ((child, state), layout) in self - .children - .iter() - .zip(&tree.children) - .zip(layout.children()) - { - child.as_widget().draw( - state, - renderer, - theme, - style, - layout, - cursor_position, - viewport, - ); - } - } - - fn overlay<'b>( - &'b self, - tree: &'b mut Tree, - layout: Layout<'_>, - renderer: &Renderer, - ) -> Option<overlay::Element<'b, Message, Renderer>> { - overlay::from_children(&self.children, tree, layout, renderer) - } -} - -impl<'a, Message, Renderer> From<Column<'a, Message, Renderer>> - for Element<'a, Message, Renderer> -where - Message: 'a, - Renderer: iced_native::Renderer + 'a, -{ - fn from(column: Column<'a, Message, Renderer>) -> Self { - Self::new(column) - } -} |