diff options
Diffstat (limited to 'src/widget/row.rs')
| -rw-r--r-- | src/widget/row.rs | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/src/widget/row.rs b/src/widget/row.rs deleted file mode 100644 index 959528dc..00000000 --- a/src/widget/row.rs +++ /dev/null @@ -1,219 +0,0 @@ -use std::hash::Hash; - -use crate::{ - Align, Element, Event, Hasher, Justify, Layout, MouseCursor, Node, Point, - Style, Widget, -}; - -/// A container that distributes its contents horizontally. -/// -/// A [`Row`] will try to fill the horizontal space of its container. -/// -/// [`Row`]: struct.Row.html -#[derive(Default)] -pub struct Row<'a, Message, Renderer> { - style: Style, - spacing: u16, - children: Vec<Element<'a, Message, Renderer>>, -} - -impl<'a, Message, Renderer> std::fmt::Debug for Row<'a, Message, Renderer> { - fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { - f.debug_struct("Row") - .field("style", &self.style) - .field("spacing", &self.spacing) - .field("children", &self.children) - .finish() - } -} - -impl<'a, Message, Renderer> Row<'a, Message, Renderer> { - /// Creates an empty [`Row`]. - /// - /// [`Row`]: struct.Row.html - pub fn new() -> Self { - Row { - style: Style::default().fill_width(), - spacing: 0, - children: Vec::new(), - } - } - - /// Sets the horizontal spacing _between_ elements in pixels. - /// - /// 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, px: u16) -> Self { - self.spacing = px; - self - } - - /// Sets the padding of the [`Row`] in pixels. - /// - /// [`Row`]: struct.Row.html - pub fn padding(mut self, px: u16) -> Self { - self.style = self.style.padding(px); - self - } - - /// Sets the width of the [`Row`] in pixels. - /// - /// [`Row`]: struct.Row.html - pub fn width(mut self, width: u16) -> Self { - self.style = self.style.width(width); - self - } - - /// Sets the height of the [`Row`] in pixels. - /// - /// [`Row`]: struct.Row.html - pub fn height(mut self, height: u16) -> Self { - self.style = self.style.height(height); - self - } - - /// Sets the maximum width of the [`Row`] in pixels. - /// - /// [`Row`]: struct.Row.html - pub fn max_width(mut self, max_width: u16) -> Self { - self.style = self.style.max_width(max_width); - self - } - - /// Sets the maximum height of the [`Row`] in pixels. - /// - /// [`Row`]: struct.Row.html - pub fn max_height(mut self, max_height: u16) -> Self { - self.style = self.style.max_height(max_height); - self - } - - /// Sets the alignment of the [`Row`] itself. - /// - /// This is useful if you want to override the default alignment given by - /// the parent container. - /// - /// [`Row`]: struct.Row.html - pub fn align_self(mut self, align: Align) -> Self { - self.style = self.style.align_self(align); - self - } - - /// Sets the vertical alignment of the contents of the [`Row`] . - /// - /// [`Row`]: struct.Row.html - pub fn align_items(mut self, align: Align) -> Self { - self.style = self.style.align_items(align); - self - } - - /// Sets the horizontal distribution strategy for the contents of the - /// [`Row`] . - /// - /// [`Row`]: struct.Row.html - pub fn justify_content(mut self, justify: Justify) -> Self { - self.style = self.style.justify_content(justify); - self - } - - /// Adds an [`Element`] to the [`Row`]. - /// - /// [`Element`]: ../struct.Element.html - /// [`Row`]: struct.Row.html - pub fn push<E>(mut self, child: E) -> Row<'a, Message, Renderer> - where - E: Into<Element<'a, Message, Renderer>>, - { - self.children.push(child.into()); - self - } -} - -impl<'a, Message, Renderer> Widget<Message, Renderer> - for Row<'a, Message, Renderer> -{ - fn node(&self, renderer: &Renderer) -> Node { - let mut children: Vec<Node> = self - .children - .iter() - .map(|child| { - let mut node = child.widget.node(renderer); - - let mut style = node.0.style(); - style.margin.end = - stretch::style::Dimension::Points(f32::from(self.spacing)); - - node.0.set_style(style); - node - }) - .collect(); - - if let Some(node) = children.last_mut() { - let mut style = node.0.style(); - style.margin.end = stretch::style::Dimension::Undefined; - - node.0.set_style(style); - } - - Node::with_children(self.style, children) - } - - fn on_event( - &mut self, - event: Event, - layout: Layout<'_>, - cursor_position: Point, - messages: &mut Vec<Message>, - ) { - self.children.iter_mut().zip(layout.children()).for_each( - |(child, layout)| { - child - .widget - .on_event(event, layout, cursor_position, messages) - }, - ); - } - - fn draw( - &self, - renderer: &mut Renderer, - layout: Layout<'_>, - cursor_position: Point, - ) -> MouseCursor { - let mut cursor = MouseCursor::OutOfBounds; - - self.children.iter().zip(layout.children()).for_each( - |(child, layout)| { - let new_cursor = - child.widget.draw(renderer, layout, cursor_position); - - if new_cursor != MouseCursor::OutOfBounds { - cursor = new_cursor; - } - }, - ); - - cursor - } - - fn hash_layout(&self, state: &mut Hasher) { - self.style.hash(state); - self.spacing.hash(state); - - for child in &self.children { - child.widget.hash_layout(state); - } - } -} - -impl<'a, Message, Renderer> From<Row<'a, Message, Renderer>> - for Element<'a, Message, Renderer> -where - Renderer: 'a, - Message: 'static, -{ - fn from(row: Row<'a, Message, Renderer>) -> Element<'a, Message, Renderer> { - Element::new(row) - } -} |