From ac35fe3edf78c1674fe85b37549002e006b0ff13 Mon Sep 17 00:00:00 2001 From: Héctor Ramón Jiménez Date: Sat, 30 Apr 2022 13:54:07 +0200 Subject: Point repository links to `0.4` branch in documentation --- pure/src/widget/pane_grid.rs | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'pure/src/widget') diff --git a/pure/src/widget/pane_grid.rs b/pure/src/widget/pane_grid.rs index 34a56bcc..b361664b 100644 --- a/pure/src/widget/pane_grid.rs +++ b/pure/src/widget/pane_grid.rs @@ -6,7 +6,7 @@ //! The [`pane_grid` example] showcases how to use a [`PaneGrid`] with resizing, //! drag and drop, and hotkey support. //! -//! [`pane_grid` example]: https://github.com/iced-rs/iced/tree/0.3/examples/pane_grid +//! [`pane_grid` example]: https://github.com/iced-rs/iced/tree/0.4/examples/pane_grid mod content; mod title_bar; -- cgit From 68e9eb0a9b45b86713ce5d0e9c2273a60f2cc11c Mon Sep 17 00:00:00 2001 From: Héctor Ramón Jiménez Date: Sat, 30 Apr 2022 14:20:52 +0200 Subject: Fix broken intra-doc links in documentation --- pure/src/widget/pane_grid/content.rs | 2 +- pure/src/widget/pane_grid/title_bar.rs | 2 +- pure/src/widget/pick_list.rs | 5 ++--- pure/src/widget/slider.rs | 7 ++----- pure/src/widget/text_input.rs | 18 +++++++----------- 5 files changed, 13 insertions(+), 21 deletions(-) (limited to 'pure/src/widget') diff --git a/pure/src/widget/pane_grid/content.rs b/pure/src/widget/pane_grid/content.rs index a928b28c..6388b016 100644 --- a/pure/src/widget/pane_grid/content.rs +++ b/pure/src/widget/pane_grid/content.rs @@ -84,7 +84,7 @@ where /// Draws the [`Content`] with the provided [`Renderer`] and [`Layout`]. /// - /// [`Renderer`]: crate::widget::pane_grid::Renderer + /// [`Renderer`]: iced_native::Renderer pub fn draw( &self, tree: &Tree, diff --git a/pure/src/widget/pane_grid/title_bar.rs b/pure/src/widget/pane_grid/title_bar.rs index dd68b073..567db913 100644 --- a/pure/src/widget/pane_grid/title_bar.rs +++ b/pure/src/widget/pane_grid/title_bar.rs @@ -108,7 +108,7 @@ where /// Draws the [`TitleBar`] with the provided [`Renderer`] and [`Layout`]. /// - /// [`Renderer`]: crate::widget::pane_grid::Renderer + /// [`Renderer`]: iced_native::Renderer pub fn draw( &self, tree: &Tree, diff --git a/pure/src/widget/pick_list.rs b/pure/src/widget/pick_list.rs index 45bb289e..255e3681 100644 --- a/pure/src/widget/pick_list.rs +++ b/pure/src/widget/pick_list.rs @@ -43,9 +43,8 @@ where /// The default padding of a [`PickList`]. pub const DEFAULT_PADDING: Padding = Padding::new(5); - /// Creates a new [`PickList`] with the given [`State`], a list of options, - /// the current selected value, and the message to produce when an option is - /// selected. + /// Creates a new [`PickList`] with the given list of options, the current + /// selected value, and the message to produce when an option is selected. pub fn new( options: impl Into>, selected: Option, diff --git a/pure/src/widget/slider.rs b/pure/src/widget/slider.rs index 1107bdc1..4d8bbce4 100644 --- a/pure/src/widget/slider.rs +++ b/pure/src/widget/slider.rs @@ -1,6 +1,4 @@ //! Display an interactive selector of a single value from a range of values. -//! -//! A [`Slider`] has some local [`State`]. use crate::widget::tree::{self, Tree}; use crate::{Element, Widget}; @@ -25,17 +23,16 @@ pub use iced_style::slider::{Handle, HandleShape, Style, StyleSheet}; /// /// # Example /// ``` -/// # use iced_native::widget::slider::{self, Slider}; +/// # use iced_pure::widget::Slider; /// # /// #[derive(Clone)] /// pub enum Message { /// SliderChanged(f32), /// } /// -/// let state = &mut slider::State::new(); /// let value = 50.0; /// -/// Slider::new(state, 0.0..=100.0, value, Message::SliderChanged); +/// Slider::new(0.0..=100.0, value, Message::SliderChanged); /// ``` /// /// ![Slider drawn by Coffee's renderer](https://github.com/hecrj/coffee/blob/bda9818f823dfcb8a7ad0ff4940b4d4b387b5208/images/ui/slider.png?raw=true) diff --git a/pure/src/widget/text_input.rs b/pure/src/widget/text_input.rs index d6041d7f..11e93b44 100644 --- a/pure/src/widget/text_input.rs +++ b/pure/src/widget/text_input.rs @@ -16,19 +16,17 @@ pub use iced_style::text_input::{Style, StyleSheet}; /// # Example /// ``` /// # use iced_native::renderer::Null; -/// # use iced_native::widget::text_input; +/// # use iced_pure::widget::text_input; /// # -/// # pub type TextInput<'a, Message> = iced_native::widget::TextInput<'a, Message, Null>; +/// # pub type TextInput<'a, Message> = iced_pure::widget::TextInput<'a, Message, Null>; /// #[derive(Debug, Clone)] /// enum Message { /// TextInputChanged(String), /// } /// -/// let mut state = text_input::State::new(); /// let value = "Some text"; /// /// let input = TextInput::new( -/// &mut state, /// "This is the placeholder...", /// value, /// Message::TextInputChanged, @@ -58,10 +56,9 @@ where /// Creates a new [`TextInput`]. /// /// It expects: - /// - some [`State`] - /// - a placeholder - /// - the current value - /// - a function that produces a message when the [`TextInput`] changes + /// - a placeholder, + /// - the current value, and + /// - a function that produces a message when the [`TextInput`] changes. pub fn new(placeholder: &str, value: &str, on_change: F) -> Self where F: 'a + Fn(String) -> Message, @@ -86,10 +83,9 @@ where self } - /// Sets the [`Font`] of the [`Text`]. + /// Sets the [`Font`] of the [`TextInput`]. /// - /// [`Font`]: crate::widget::text::Renderer::Font - /// [`Text`]: crate::widget::Text + /// [`Font`]: iced_native::text::Renderer::Font pub fn font(mut self, font: Renderer::Font) -> Self { self.font = font; self -- cgit From e7d595c7de3854e165fd68f05ab2292cae69dbc4 Mon Sep 17 00:00:00 2001 From: Héctor Ramón Jiménez Date: Mon, 2 May 2022 20:16:00 +0200 Subject: Write documentation for `iced_pure` --- pure/src/widget/button.rs | 36 +++++++++++++++++++++++++ pure/src/widget/checkbox.rs | 1 + pure/src/widget/column.rs | 13 +++++++++ pure/src/widget/image.rs | 1 + pure/src/widget/pane_grid.rs | 2 +- pure/src/widget/pane_grid/content.rs | 4 +-- pure/src/widget/pane_grid/title_bar.rs | 4 +-- pure/src/widget/progress_bar.rs | 1 + pure/src/widget/radio.rs | 1 + pure/src/widget/row.rs | 13 +++++++++ pure/src/widget/rule.rs | 1 + pure/src/widget/scrollable.rs | 1 + pure/src/widget/svg.rs | 1 + pure/src/widget/text_input.rs | 6 ++--- pure/src/widget/toggler.rs | 1 + pure/src/widget/tooltip.rs | 2 +- pure/src/widget/tree.rs | 48 +++++++++++++++++++++++++++++----- 17 files changed, 119 insertions(+), 17 deletions(-) (limited to 'pure/src/widget') diff --git a/pure/src/widget/button.rs b/pure/src/widget/button.rs index e083ea73..456c2509 100644 --- a/pure/src/widget/button.rs +++ b/pure/src/widget/button.rs @@ -1,3 +1,4 @@ +//! Allow your users to perform actions by pressing a button. use crate::overlay; use crate::widget::tree::{self, Tree}; use crate::{Element, Widget}; @@ -15,6 +16,40 @@ pub use iced_style::button::{Style, StyleSheet}; use button::State; +/// A generic widget that produces a message when pressed. +/// +/// ``` +/// # type Button<'a, Message> = +/// # iced_pure::widget::Button<'a, Message, iced_native::renderer::Null>; +/// # +/// #[derive(Clone)] +/// enum Message { +/// ButtonPressed, +/// } +/// +/// let button = Button::new("Press me!").on_press(Message::ButtonPressed); +/// ``` +/// +/// If a [`Button::on_press`] handler is not set, the resulting [`Button`] will +/// be disabled: +/// +/// ``` +/// # type Button<'a, Message> = +/// # iced_pure::widget::Button<'a, Message, iced_native::renderer::Null>; +/// # +/// #[derive(Clone)] +/// enum Message { +/// ButtonPressed, +/// } +/// +/// fn disabled_button<'a>() -> Button<'a, Message> { +/// Button::new("I'm disabled!") +/// } +/// +/// fn enabled_button<'a>() -> Button<'a, Message> { +/// disabled_button().on_press(Message::ButtonPressed) +/// } +/// ``` pub struct Button<'a, Message, Renderer> { content: Element<'a, Message, Renderer>, on_press: Option, @@ -25,6 +60,7 @@ pub struct Button<'a, Message, Renderer> { } impl<'a, Message, Renderer> Button<'a, Message, Renderer> { + /// Creates a new [`Button`] with the given content. pub fn new(content: impl Into>) -> Self { Button { content: content.into(), diff --git a/pure/src/widget/checkbox.rs b/pure/src/widget/checkbox.rs index 971980e3..98f55a56 100644 --- a/pure/src/widget/checkbox.rs +++ b/pure/src/widget/checkbox.rs @@ -1,3 +1,4 @@ +//! Show toggle controls using checkboxes. use crate::widget::Tree; use crate::{Element, Widget}; diff --git a/pure/src/widget/column.rs b/pure/src/widget/column.rs index a4c0987b..7256f474 100644 --- a/pure/src/widget/column.rs +++ b/pure/src/widget/column.rs @@ -13,6 +13,7 @@ use iced_native::{ use std::u32; +/// A container that distributes its contents vertically. pub struct Column<'a, Message, Renderer> { spacing: u16, padding: Padding, @@ -24,10 +25,12 @@ pub struct Column<'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>, ) -> Self { @@ -42,21 +45,29 @@ impl<'a, Message, Renderer> Column<'a, Message, Renderer> { } } + /// 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>(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 @@ -68,11 +79,13 @@ impl<'a, Message, Renderer> Column<'a, Message, Renderer> { 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>, diff --git a/pure/src/widget/image.rs b/pure/src/widget/image.rs index a5bca5a0..ef764ec2 100644 --- a/pure/src/widget/image.rs +++ b/pure/src/widget/image.rs @@ -1,3 +1,4 @@ +//! Display images in your user interface. use crate::widget::{Tree, Widget}; use crate::Element; diff --git a/pure/src/widget/pane_grid.rs b/pure/src/widget/pane_grid.rs index b361664b..c532a6de 100644 --- a/pure/src/widget/pane_grid.rs +++ b/pure/src/widget/pane_grid.rs @@ -213,7 +213,7 @@ where fn diff(&self, tree: &mut Tree) { tree.diff_children_custom( &self.elements, - |(_, content), state| content.diff(state), + |state, (_, content)| content.diff(state), |(_, content)| content.state(), ) } diff --git a/pure/src/widget/pane_grid/content.rs b/pure/src/widget/pane_grid/content.rs index 6388b016..e66ac40b 100644 --- a/pure/src/widget/pane_grid/content.rs +++ b/pure/src/widget/pane_grid/content.rs @@ -57,7 +57,7 @@ impl<'a, Message, Renderer> Content<'a, Message, Renderer> where Renderer: iced_native::Renderer, { - pub fn state(&self) -> Tree { + pub(super) fn state(&self) -> Tree { let children = if let Some(title_bar) = self.title_bar.as_ref() { vec![Tree::new(&self.body), title_bar.state()] } else { @@ -70,7 +70,7 @@ where } } - pub fn diff(&self, tree: &mut Tree) { + pub(super) fn diff(&self, tree: &mut Tree) { if tree.children.len() == 2 { if let Some(title_bar) = self.title_bar.as_ref() { title_bar.diff(&mut tree.children[1]); diff --git a/pure/src/widget/pane_grid/title_bar.rs b/pure/src/widget/pane_grid/title_bar.rs index 567db913..4a7c8c17 100644 --- a/pure/src/widget/pane_grid/title_bar.rs +++ b/pure/src/widget/pane_grid/title_bar.rs @@ -81,7 +81,7 @@ impl<'a, Message, Renderer> TitleBar<'a, Message, Renderer> where Renderer: iced_native::Renderer, { - pub fn state(&self) -> Tree { + pub(super) fn state(&self) -> Tree { let children = if let Some(controls) = self.controls.as_ref() { vec![Tree::new(&self.content), Tree::new(controls)] } else { @@ -94,7 +94,7 @@ where } } - pub fn diff(&self, tree: &mut Tree) { + pub(super) fn diff(&self, tree: &mut Tree) { if tree.children.len() == 2 { if let Some(controls) = self.controls.as_ref() { tree.children[1].diff(controls); diff --git a/pure/src/widget/progress_bar.rs b/pure/src/widget/progress_bar.rs index 3f4ffd55..3016a81a 100644 --- a/pure/src/widget/progress_bar.rs +++ b/pure/src/widget/progress_bar.rs @@ -1,3 +1,4 @@ +//! Provide progress feedback to your users. use crate::widget::Tree; use crate::{Element, Widget}; diff --git a/pure/src/widget/radio.rs b/pure/src/widget/radio.rs index c20f8f3e..7c98c937 100644 --- a/pure/src/widget/radio.rs +++ b/pure/src/widget/radio.rs @@ -1,3 +1,4 @@ +//! Create choices using radio buttons. use crate::widget::Tree; use crate::{Element, Widget}; diff --git a/pure/src/widget/row.rs b/pure/src/widget/row.rs index 92812d27..0385b8bd 100644 --- a/pure/src/widget/row.rs +++ b/pure/src/widget/row.rs @@ -11,6 +11,7 @@ use iced_native::{ Alignment, Clipboard, Length, Padding, Point, Rectangle, Shell, }; +/// A container that distributes its contents horizontally. pub struct Row<'a, Message, Renderer> { spacing: u16, padding: Padding, @@ -21,10 +22,12 @@ pub struct Row<'a, Message, Renderer> { } impl<'a, Message, Renderer> Row<'a, Message, Renderer> { + /// Creates an empty [`Row`]. pub fn new() -> Self { Self::with_children(Vec::new()) } + /// Creates a [`Row`] with the given elements. pub fn with_children( children: Vec>, ) -> Self { @@ -38,31 +41,41 @@ impl<'a, Message, Renderer> Row<'a, Message, Renderer> { } } + /// Sets the horizontal 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 [`Row`]. pub fn padding>(mut self, padding: P) -> Self { self.padding = padding.into(); self } + /// Sets the width of the [`Row`]. pub fn width(mut self, width: Length) -> Self { self.width = width; self } + /// Sets the height of the [`Row`]. pub fn height(mut self, height: Length) -> Self { self.height = height; self } + /// Sets the vertical alignment of the contents of the [`Row`] . pub fn align_items(mut self, align: Alignment) -> Self { self.align_items = align; self } + /// Adds an [`Element`] to the [`Row`]. pub fn push( mut self, child: impl Into>, diff --git a/pure/src/widget/rule.rs b/pure/src/widget/rule.rs index 40b1fc90..ab8537ae 100644 --- a/pure/src/widget/rule.rs +++ b/pure/src/widget/rule.rs @@ -1,3 +1,4 @@ +//! Display a horizontal or vertical rule for dividing content. use crate::widget::Tree; use crate::{Element, Widget}; diff --git a/pure/src/widget/scrollable.rs b/pure/src/widget/scrollable.rs index 24263c95..70e951ef 100644 --- a/pure/src/widget/scrollable.rs +++ b/pure/src/widget/scrollable.rs @@ -1,3 +1,4 @@ +//! Navigate an endless amount of content with a scrollbar. use crate::overlay; use crate::widget::tree::{self, Tree}; use crate::{Element, Widget}; diff --git a/pure/src/widget/svg.rs b/pure/src/widget/svg.rs index 2758c5b1..14180097 100644 --- a/pure/src/widget/svg.rs +++ b/pure/src/widget/svg.rs @@ -1,3 +1,4 @@ +//! Display vector graphics in your application. use crate::widget::{Tree, Widget}; use crate::Element; diff --git a/pure/src/widget/text_input.rs b/pure/src/widget/text_input.rs index 11e93b44..57ad26d9 100644 --- a/pure/src/widget/text_input.rs +++ b/pure/src/widget/text_input.rs @@ -1,3 +1,4 @@ +//! Display fields that can be filled with text. use crate::widget::tree::{self, Tree}; use crate::{Element, Widget}; @@ -15,10 +16,7 @@ pub use iced_style::text_input::{Style, StyleSheet}; /// /// # Example /// ``` -/// # use iced_native::renderer::Null; -/// # use iced_pure::widget::text_input; -/// # -/// # pub type TextInput<'a, Message> = iced_pure::widget::TextInput<'a, Message, Null>; +/// # pub type TextInput<'a, Message> = iced_pure::widget::TextInput<'a, Message, iced_native::renderer::Null>; /// #[derive(Debug, Clone)] /// enum Message { /// TextInputChanged(String), diff --git a/pure/src/widget/toggler.rs b/pure/src/widget/toggler.rs index 1b3367a4..b9c5ec02 100644 --- a/pure/src/widget/toggler.rs +++ b/pure/src/widget/toggler.rs @@ -1,3 +1,4 @@ +//! Show toggle controls using togglers. use crate::widget::{Tree, Widget}; use crate::Element; diff --git a/pure/src/widget/tooltip.rs b/pure/src/widget/tooltip.rs index 75c4d856..3887732a 100644 --- a/pure/src/widget/tooltip.rs +++ b/pure/src/widget/tooltip.rs @@ -32,7 +32,7 @@ where /// The default padding of a [`Tooltip`] drawn by this renderer. const DEFAULT_PADDING: u16 = 5; - /// Creates an empty [`Tooltip`]. + /// Creates a new [`Tooltip`]. /// /// [`Tooltip`]: struct.Tooltip.html pub fn new( diff --git a/pure/src/widget/tree.rs b/pure/src/widget/tree.rs index bd7c259c..d81dd02c 100644 --- a/pure/src/widget/tree.rs +++ b/pure/src/widget/tree.rs @@ -1,14 +1,24 @@ +//! Store internal widget state in a state tree to ensure continuity. use crate::Element; use std::any::{self, Any}; +/// A persistent state widget tree. +/// +/// A [`Tree`] is normally associated with a specific widget in the widget tree. pub struct Tree { + /// The tag of the [`Tree`]. pub tag: Tag, + + /// The [`State`] of the [`Tree`]. pub state: State, + + /// The children of the root widget of the [`Tree`]. pub children: Vec, } impl Tree { + /// Creates an empty, stateless [`Tree`] with no children. pub fn empty() -> Self { Self { tag: Tag::stateless(), @@ -17,6 +27,7 @@ impl Tree { } } + /// Creates a new [`Tree`] for the provided [`Element`]. pub fn new( element: &Element<'_, Message, Renderer>, ) -> Self { @@ -27,6 +38,14 @@ impl Tree { } } + /// Reconciliates the current tree with the provided [`Element`]. + /// + /// If the tag of the [`Element`] matches the tag of the [`Tree`], then the + /// [`Element`] proceeds with the reconciliation (i.e. [`Widget::diff`] is called). + /// + /// Otherwise, the whole [`Tree`] is recreated. + /// + /// [`Widget::diff`]: crate::Widget::diff pub fn diff( &mut self, new: &Element<'_, Message, Renderer>, @@ -38,21 +57,20 @@ impl Tree { } } + /// Reconciliates the children of the tree with the provided list of [`Element`]. pub fn diff_children( &mut self, new_children: &[Element<'_, Message, Renderer>], ) { - self.diff_children_custom( - new_children, - |new, child_state| child_state.diff(new), - Self::new, - ) + self.diff_children_custom(new_children, Self::diff, Self::new) } + /// Reconciliates the children of the tree with the provided list of [`Element`] using custom + /// logic both for diffing and creating new widget state. pub fn diff_children_custom( &mut self, new_children: &[T], - diff: impl Fn(&T, &mut Tree), + diff: impl Fn(&mut Tree, &T), new_state: impl Fn(&T) -> Self, ) { if self.children.len() > new_children.len() { @@ -62,7 +80,7 @@ impl Tree { for (child_state, new) in self.children.iter_mut().zip(new_children.iter()) { - diff(new, child_state); + diff(child_state, new); } if self.children.len() < new_children.len() { @@ -73,10 +91,12 @@ impl Tree { } } +/// The identifier of some widget state. #[derive(Debug, Clone, Copy, PartialOrd, Ord, PartialEq, Eq, Hash)] pub struct Tag(any::TypeId); impl Tag { + /// Creates a [`Tag`] for a state of type `T`. pub fn of() -> Self where T: 'static, @@ -84,17 +104,23 @@ impl Tag { Self(any::TypeId::of::()) } + /// Creates a [`Tag`] for a stateless widget. pub fn stateless() -> Self { Self::of::<()>() } } +/// The internal [`State`] of a widget. pub enum State { + /// No meaningful internal state. None, + + /// Some meaningful internal state. Some(Box), } impl State { + /// Creates a new [`State`]. pub fn new(state: T) -> Self where T: 'static, @@ -102,6 +128,10 @@ impl State { State::Some(Box::new(state)) } + /// Downcasts the [`State`] to `T` and returns a reference to it. + /// + /// # Panics + /// This method will panic if the downcast fails or the [`State`] is [`State::None`]. pub fn downcast_ref(&self) -> &T where T: 'static, @@ -114,6 +144,10 @@ impl State { } } + /// Downcasts the [`State`] to `T` and returns a mutable reference to it. + /// + /// # Panics + /// This method will panic if the downcast fails or the [`State`] is [`State::None`]. pub fn downcast_mut(&mut self) -> &mut T where T: 'static, -- cgit