From ceb02f4a36769c488c2525db2fb73f092a6c2706 Mon Sep 17 00:00:00 2001 From: Héctor Ramón Jiménez Date: Mon, 11 Nov 2019 05:26:08 +0100 Subject: Implement `Container` widget Remove `align_self` and `justify_content` methods --- native/src/widget/button.rs | 3 +- native/src/widget/column.rs | 7 +--- native/src/widget/container.rs | 93 +++++++++++++++++++++++++++++++++++++++++ native/src/widget/image.rs | 1 - native/src/widget/row.rs | 3 +- native/src/widget/scrollable.rs | 1 - 6 files changed, 97 insertions(+), 11 deletions(-) create mode 100644 native/src/widget/container.rs (limited to 'native/src/widget') diff --git a/native/src/widget/button.rs b/native/src/widget/button.rs index 980c2aae..15beaeba 100644 --- a/native/src/widget/button.rs +++ b/native/src/widget/button.rs @@ -7,7 +7,7 @@ //! [`Class`]: enum.Class.html use crate::input::{mouse, ButtonState}; -use crate::{layout, Element, Event, Hasher, Layout, Length, Point, Widget}; +use crate::{layout, Element, Event, Hasher, Layout, Point, Widget}; use std::hash::Hash; pub use iced_core::button::State; @@ -78,7 +78,6 @@ where fn hash_layout(&self, state: &mut Hasher) { self.width.hash(state); - self.align_self.hash(state); self.content.hash_layout(state); } } diff --git a/native/src/widget/column.rs b/native/src/widget/column.rs index ed8a2b89..7e7156a0 100644 --- a/native/src/widget/column.rs +++ b/native/src/widget/column.rs @@ -1,8 +1,6 @@ use std::hash::Hash; -use crate::{ - layout, Element, Event, Hasher, Layout, Length, Point, Size, Widget, -}; +use crate::{layout, Element, Event, Hasher, Layout, Length, Point, Widget}; /// A container that distributes its contents vertically. pub type Column<'a, Message, Renderer> = @@ -34,6 +32,7 @@ where &limits, self.padding as f32, self.spacing as f32, + self.align_items, &self.children, ) } @@ -74,9 +73,7 @@ where self.height.hash(state); self.max_width.hash(state); self.max_height.hash(state); - self.align_self.hash(state); self.align_items.hash(state); - self.justify_content.hash(state); self.spacing.hash(state); for child in &self.children { diff --git a/native/src/widget/container.rs b/native/src/widget/container.rs new file mode 100644 index 00000000..bb78a68c --- /dev/null +++ b/native/src/widget/container.rs @@ -0,0 +1,93 @@ +use std::hash::Hash; + +use crate::{ + layout, Element, Event, Hasher, Layout, Length, Point, Size, Widget, +}; + +/// A container that distributes its contents vertically. +pub type Container<'a, Message, Renderer> = + iced_core::Container>; + +impl<'a, Message, Renderer> Widget + for Container<'a, Message, Renderer> +where + Renderer: crate::Renderer, +{ + fn width(&self) -> Length { + self.width + } + + fn layout( + &self, + renderer: &Renderer, + limits: &layout::Limits, + ) -> layout::Node { + let limits = limits + .loose() + .max_width(self.max_width) + .max_height(self.max_height) + .width(self.width) + .height(self.height); + + let mut content = self.content.layout(renderer, &limits); + let size = limits.resolve(content.size()); + + content.align(self.horizontal_alignment, self.vertical_alignment, size); + + layout::Node::with_children(size, vec![content]) + } + + fn on_event( + &mut self, + event: Event, + layout: Layout<'_>, + cursor_position: Point, + messages: &mut Vec, + renderer: &Renderer, + ) { + self.content.widget.on_event( + event, + layout.children().next().unwrap(), + cursor_position, + messages, + renderer, + ) + } + + fn draw( + &self, + renderer: &mut Renderer, + layout: Layout<'_>, + cursor_position: Point, + ) -> Renderer::Output { + self.content.draw( + renderer, + layout.children().next().unwrap(), + cursor_position, + ) + } + + fn hash_layout(&self, state: &mut Hasher) { + 0.hash(state); + self.width.hash(state); + self.height.hash(state); + self.max_width.hash(state); + self.max_height.hash(state); + self.padding.hash(state); + + self.content.hash_layout(state); + } +} + +impl<'a, Message, Renderer> From> + for Element<'a, Message, Renderer> +where + Renderer: 'a + crate::Renderer, + Message: 'static, +{ + fn from( + column: Container<'a, Message, Renderer>, + ) -> Element<'a, Message, Renderer> { + Element::new(column) + } +} diff --git a/native/src/widget/image.rs b/native/src/widget/image.rs index abc45d6a..b2541b87 100644 --- a/native/src/widget/image.rs +++ b/native/src/widget/image.rs @@ -30,7 +30,6 @@ where fn hash_layout(&self, state: &mut Hasher) { self.width.hash(state); self.height.hash(state); - self.align_self.hash(state); } } diff --git a/native/src/widget/row.rs b/native/src/widget/row.rs index 7ea54a71..132479fd 100644 --- a/native/src/widget/row.rs +++ b/native/src/widget/row.rs @@ -32,6 +32,7 @@ where &limits, self.padding as f32, self.spacing as f32, + self.align_items, &self.children, ) } @@ -72,9 +73,7 @@ where self.height.hash(state); self.max_width.hash(state); self.max_height.hash(state); - self.align_self.hash(state); self.align_items.hash(state); - self.justify_content.hash(state); self.spacing.hash(state); self.spacing.hash(state); diff --git a/native/src/widget/scrollable.rs b/native/src/widget/scrollable.rs index 775c59db..091dac47 100644 --- a/native/src/widget/scrollable.rs +++ b/native/src/widget/scrollable.rs @@ -168,7 +168,6 @@ where self.height.hash(state); self.max_height.hash(state); - self.align_self.hash(state); self.content.hash_layout(state) } -- cgit