diff options
Diffstat (limited to '')
-rw-r--r-- | widget/src/pane_grid.rs | 108 | ||||
-rw-r--r-- | widget/src/pane_grid/content.rs | 59 | ||||
-rw-r--r-- | widget/src/pane_grid/state.rs | 8 | ||||
-rw-r--r-- | widget/src/pane_grid/title_bar.rs | 64 |
4 files changed, 136 insertions, 103 deletions
diff --git a/widget/src/pane_grid.rs b/widget/src/pane_grid.rs index beac0bd8..acfa9d44 100644 --- a/widget/src/pane_grid.rs +++ b/widget/src/pane_grid.rs @@ -30,6 +30,7 @@ pub use split::Split; pub use state::State; pub use title_bar::TitleBar; +use crate::container; use crate::core::event::{self, Event}; use crate::core::layout; use crate::core::mouse; @@ -39,8 +40,8 @@ use crate::core::touch; use crate::core::widget; use crate::core::widget::tree::{self, Tree}; use crate::core::{ - Background, Border, Clipboard, Color, Element, Layout, Length, Pixels, - Point, Rectangle, Shell, Size, Theme, Vector, Widget, + self, Background, Border, Clipboard, Color, Element, Layout, Length, + Pixels, Point, Rectangle, Shell, Size, Theme, Vector, Widget, }; const DRAG_DEADBAND_DISTANCE: f32 = 10.0; @@ -101,7 +102,8 @@ pub struct PaneGrid< Theme = crate::Theme, Renderer = crate::Renderer, > where - Renderer: crate::core::Renderer, + Theme: Catalog, + Renderer: core::Renderer, { contents: Contents<'a, Content<'a, Message, Theme, Renderer>>, width: Length, @@ -110,12 +112,13 @@ pub struct PaneGrid< on_click: Option<Box<dyn Fn(Pane) -> Message + 'a>>, on_drag: Option<Box<dyn Fn(DragEvent) -> Message + 'a>>, on_resize: Option<(f32, Box<dyn Fn(ResizeEvent) -> Message + 'a>)>, - style: Style<'a, Theme>, + class: <Theme as Catalog>::Class<'a>, } impl<'a, Message, Theme, Renderer> PaneGrid<'a, Message, Theme, Renderer> where - Renderer: crate::core::Renderer, + Theme: Catalog, + Renderer: core::Renderer, { /// Creates a [`PaneGrid`] with the given [`State`] and view function. /// @@ -124,10 +127,7 @@ where pub fn new<T>( state: &'a State<T>, view: impl Fn(Pane, &'a T, bool) -> Content<'a, Message, Theme, Renderer>, - ) -> Self - where - Theme: DefaultStyle + 'a, - { + ) -> Self { let contents = if let Some((pane, pane_state)) = state.maximized.and_then(|pane| { state.panes.get(&pane).map(|pane_state| (pane, pane_state)) @@ -158,7 +158,7 @@ where on_click: None, on_drag: None, on_resize: None, - style: Box::new(Theme::default_style), + class: <Theme as Catalog>::default(), } } @@ -218,8 +218,23 @@ where } /// Sets the style of the [`PaneGrid`]. - pub fn style(mut self, style: impl Fn(&Theme) -> Appearance + 'a) -> Self { - self.style = Box::new(style); + #[must_use] + pub fn style(mut self, style: impl Fn(&Theme) -> Style + 'a) -> Self + where + <Theme as Catalog>::Class<'a>: From<StyleFn<'a, Theme>>, + { + self.class = (Box::new(style) as StyleFn<'a, Theme>).into(); + self + } + + /// Sets the style class of the [`PaneGrid`]. + #[cfg(feature = "advanced")] + #[must_use] + pub fn class( + mut self, + class: impl Into<<Theme as Catalog>::Class<'a>>, + ) -> Self { + self.class = class.into(); self } @@ -233,7 +248,8 @@ where impl<'a, Message, Theme, Renderer> Widget<Message, Theme, Renderer> for PaneGrid<'a, Message, Theme, Renderer> where - Renderer: crate::core::Renderer, + Theme: Catalog, + Renderer: core::Renderer, { fn tag(&self) -> tree::Tag { tree::Tag::of::<state::Action>() @@ -596,7 +612,7 @@ where tree: &Tree, renderer: &mut Renderer, theme: &Theme, - style: &renderer::Style, + defaults: &renderer::Style, layout: Layout<'_>, cursor: mouse::Cursor, viewport: &Rectangle, @@ -677,7 +693,7 @@ where None }; - let appearance = (self.style)(theme); + let style = Catalog::style(theme, &self.class); for ((id, (content, tree)), pane_layout) in contents.zip(layout.children()) @@ -692,7 +708,7 @@ where tree, renderer, theme, - style, + defaults, pane_layout, pane_cursor, viewport, @@ -710,10 +726,10 @@ where renderer.fill_quad( renderer::Quad { bounds, - border: appearance.hovered_region.border, + border: style.hovered_region.border, ..renderer::Quad::default() }, - appearance.hovered_region.background, + style.hovered_region.background, ); } } @@ -723,7 +739,7 @@ where tree, renderer, theme, - style, + defaults, pane_layout, pane_cursor, viewport, @@ -738,10 +754,10 @@ where renderer.fill_quad( renderer::Quad { bounds, - border: appearance.hovered_region.border, + border: style.hovered_region.border, ..renderer::Quad::default() }, - appearance.hovered_region.background, + style.hovered_region.background, ); } @@ -759,7 +775,7 @@ where tree, renderer, theme, - style, + defaults, layout, pane_cursor, viewport, @@ -772,9 +788,9 @@ where if picked_pane.is_none() { if let Some((axis, split_region, is_picked)) = picked_split { let highlight = if is_picked { - appearance.picked_split + style.picked_split } else { - appearance.hovered_split + style.hovered_split }; renderer.fill_quad( @@ -832,8 +848,8 @@ impl<'a, Message, Theme, Renderer> From<PaneGrid<'a, Message, Theme, Renderer>> for Element<'a, Message, Theme, Renderer> where Message: 'a, - Theme: 'a, - Renderer: crate::core::Renderer + 'a, + Theme: Catalog + 'a, + Renderer: core::Renderer + 'a, { fn from( pane_grid: PaneGrid<'a, Message, Theme, Renderer>, @@ -1116,7 +1132,7 @@ impl<'a, T> Contents<'a, T> { /// The appearance of a [`PaneGrid`]. #[derive(Debug, Clone, Copy, PartialEq)] -pub struct Appearance { +pub struct Style { /// The appearance of a hovered region highlight. pub hovered_region: Highlight, /// The appearance of a picked split. @@ -1145,32 +1161,40 @@ pub struct Line { pub width: f32, } -/// The style of a [`PaneGrid`]. -pub type Style<'a, Theme> = Box<dyn Fn(&Theme) -> Appearance + 'a>; +/// The theme catalog of a [`PaneGrid`]. +pub trait Catalog: container::Catalog { + /// The item class of this [`Catalog`]. + type Class<'a>; -/// The default style of a [`PaneGrid`]. -pub trait DefaultStyle { - /// Returns the default style of a [`PaneGrid`]. - fn default_style(&self) -> Appearance; + /// The default class produced by this [`Catalog`]. + fn default<'a>() -> <Self as Catalog>::Class<'a>; + + /// The [`Style`] of a class with the given status. + fn style(&self, class: &<Self as Catalog>::Class<'_>) -> Style; } -impl DefaultStyle for Theme { - fn default_style(&self) -> Appearance { - default(self) +/// A styling function for a [`PaneGrid`]. +/// +/// This is just a boxed closure: `Fn(&Theme, Status) -> Style`. +pub type StyleFn<'a, Theme> = Box<dyn Fn(&Theme) -> Style + 'a>; + +impl Catalog for Theme { + type Class<'a> = StyleFn<'a, Self>; + + fn default<'a>() -> StyleFn<'a, Self> { + Box::new(default) } -} -impl DefaultStyle for Appearance { - fn default_style(&self) -> Appearance { - *self + fn style(&self, class: &StyleFn<'_, Self>) -> Style { + class(self) } } /// The default style of a [`PaneGrid`]. -pub fn default(theme: &Theme) -> Appearance { +pub fn default(theme: &Theme) -> Style { let palette = theme.extended_palette(); - Appearance { + Style { hovered_region: Highlight { background: Background::Color(Color { a: 0.5, diff --git a/widget/src/pane_grid/content.rs b/widget/src/pane_grid/content.rs index 98f4f99a..30ad52ca 100644 --- a/widget/src/pane_grid/content.rs +++ b/widget/src/pane_grid/content.rs @@ -6,7 +6,7 @@ use crate::core::overlay; use crate::core::renderer; use crate::core::widget::{self, Tree}; use crate::core::{ - Clipboard, Element, Layout, Point, Rectangle, Shell, Size, Vector, + self, Clipboard, Element, Layout, Point, Rectangle, Shell, Size, Vector, }; use crate::pane_grid::{Draggable, TitleBar}; @@ -20,30 +20,29 @@ pub struct Content< Theme = crate::Theme, Renderer = crate::Renderer, > where - Renderer: crate::core::Renderer, + Theme: container::Catalog, + Renderer: core::Renderer, { title_bar: Option<TitleBar<'a, Message, Theme, Renderer>>, body: Element<'a, Message, Theme, Renderer>, - style: container::Style<'a, Theme>, + class: Theme::Class<'a>, } impl<'a, Message, Theme, Renderer> Content<'a, Message, Theme, Renderer> where - Renderer: crate::core::Renderer, + Theme: container::Catalog, + Renderer: core::Renderer, { /// Creates a new [`Content`] with the provided body. - pub fn new(body: impl Into<Element<'a, Message, Theme, Renderer>>) -> Self - where - Theme: container::DefaultStyle + 'a, - { + pub fn new(body: impl Into<Element<'a, Message, Theme, Renderer>>) -> Self { Self { title_bar: None, body: body.into(), - style: Box::new(Theme::default_style), + class: Theme::default(), } } - /// Sets the [`TitleBar`] of this [`Content`]. + /// Sets the [`TitleBar`] of the [`Content`]. pub fn title_bar( mut self, title_bar: TitleBar<'a, Message, Theme, Renderer>, @@ -53,18 +52,31 @@ where } /// Sets the style of the [`Content`]. + #[must_use] pub fn style( mut self, - style: impl Fn(&Theme, container::Status) -> container::Appearance + 'a, - ) -> Self { - self.style = Box::new(style); + style: impl Fn(&Theme) -> container::Style + 'a, + ) -> Self + where + Theme::Class<'a>: From<container::StyleFn<'a, Theme>>, + { + self.class = (Box::new(style) as container::StyleFn<'a, Theme>).into(); + self + } + + /// Sets the style class of the [`Content`]. + #[cfg(feature = "advanced")] + #[must_use] + pub fn class(mut self, class: impl Into<Theme::Class<'a>>) -> Self { + self.class = class.into(); self } } impl<'a, Message, Theme, Renderer> Content<'a, Message, Theme, Renderer> where - Renderer: crate::core::Renderer, + Theme: container::Catalog, + Renderer: core::Renderer, { pub(super) fn state(&self) -> Tree { let children = if let Some(title_bar) = self.title_bar.as_ref() { @@ -93,7 +105,7 @@ where /// Draws the [`Content`] with the provided [`Renderer`] and [`Layout`]. /// - /// [`Renderer`]: crate::core::Renderer + /// [`Renderer`]: core::Renderer pub fn draw( &self, tree: &Tree, @@ -107,15 +119,7 @@ where let bounds = layout.bounds(); { - let style = { - let status = if cursor.is_over(bounds) { - container::Status::Hovered - } else { - container::Status::Idle - }; - - (self.style)(theme, status) - }; + let style = theme.style(&self.class); container::draw_background(renderer, &style, bounds); } @@ -381,7 +385,8 @@ where impl<'a, Message, Theme, Renderer> Draggable for &Content<'a, Message, Theme, Renderer> where - Renderer: crate::core::Renderer, + Theme: container::Catalog, + Renderer: core::Renderer, { fn can_be_dragged_at( &self, @@ -403,8 +408,8 @@ impl<'a, T, Message, Theme, Renderer> From<T> for Content<'a, Message, Theme, Renderer> where T: Into<Element<'a, Message, Theme, Renderer>>, - Theme: container::DefaultStyle + 'a, - Renderer: crate::core::Renderer, + Theme: container::Catalog + 'a, + Renderer: core::Renderer, { fn from(element: T) -> Self { Self::new(element) diff --git a/widget/src/pane_grid/state.rs b/widget/src/pane_grid/state.rs index 481cd770..c20c3b9c 100644 --- a/widget/src/pane_grid/state.rs +++ b/widget/src/pane_grid/state.rs @@ -6,7 +6,7 @@ use crate::pane_grid::{ Axis, Configuration, Direction, Edge, Node, Pane, Region, Split, Target, }; -use std::collections::HashMap; +use rustc_hash::FxHashMap; /// The state of a [`PaneGrid`]. /// @@ -25,7 +25,7 @@ pub struct State<T> { /// The panes of the [`PaneGrid`]. /// /// [`PaneGrid`]: super::PaneGrid - pub panes: HashMap<Pane, T>, + pub panes: FxHashMap<Pane, T>, /// The internal state of the [`PaneGrid`]. /// @@ -52,7 +52,7 @@ impl<T> State<T> { /// Creates a new [`State`] with the given [`Configuration`]. pub fn with_configuration(config: impl Into<Configuration<T>>) -> Self { - let mut panes = HashMap::new(); + let mut panes = FxHashMap::default(); let internal = Internal::from_configuration(&mut panes, config.into(), 0); @@ -353,7 +353,7 @@ impl Internal { /// /// [`PaneGrid`]: super::PaneGrid pub fn from_configuration<T>( - panes: &mut HashMap<Pane, T>, + panes: &mut FxHashMap<Pane, T>, content: Configuration<T>, next_id: usize, ) -> Self { diff --git a/widget/src/pane_grid/title_bar.rs b/widget/src/pane_grid/title_bar.rs index 8dfea6e3..c2eeebb7 100644 --- a/widget/src/pane_grid/title_bar.rs +++ b/widget/src/pane_grid/title_bar.rs @@ -6,7 +6,8 @@ use crate::core::overlay; use crate::core::renderer; use crate::core::widget::{self, Tree}; use crate::core::{ - Clipboard, Element, Layout, Padding, Point, Rectangle, Shell, Size, Vector, + self, Clipboard, Element, Layout, Padding, Point, Rectangle, Shell, Size, + Vector, }; /// The title bar of a [`Pane`]. @@ -19,32 +20,31 @@ pub struct TitleBar< Theme = crate::Theme, Renderer = crate::Renderer, > where - Renderer: crate::core::Renderer, + Theme: container::Catalog, + Renderer: core::Renderer, { content: Element<'a, Message, Theme, Renderer>, controls: Option<Element<'a, Message, Theme, Renderer>>, padding: Padding, always_show_controls: bool, - style: container::Style<'a, Theme>, + class: Theme::Class<'a>, } impl<'a, Message, Theme, Renderer> TitleBar<'a, Message, Theme, Renderer> where - Renderer: crate::core::Renderer, + Theme: container::Catalog, + Renderer: core::Renderer, { /// Creates a new [`TitleBar`] with the given content. pub fn new( content: impl Into<Element<'a, Message, Theme, Renderer>>, - ) -> Self - where - Theme: container::DefaultStyle + 'a, - { + ) -> Self { Self { content: content.into(), controls: None, padding: Padding::ZERO, always_show_controls: false, - style: Box::new(Theme::default_style), + class: Theme::default(), } } @@ -63,15 +63,6 @@ where self } - /// Sets the style of the [`TitleBar`]. - pub fn style( - mut self, - style: impl Fn(&Theme, container::Status) -> container::Appearance + 'a, - ) -> Self { - self.style = Box::new(style); - self - } - /// Sets whether or not the [`controls`] attached to this [`TitleBar`] are /// always visible. /// @@ -84,11 +75,33 @@ where self.always_show_controls = true; self } + + /// Sets the style of the [`TitleBar`]. + #[must_use] + pub fn style( + mut self, + style: impl Fn(&Theme) -> container::Style + 'a, + ) -> Self + where + Theme::Class<'a>: From<container::StyleFn<'a, Theme>>, + { + self.class = (Box::new(style) as container::StyleFn<'a, Theme>).into(); + self + } + + /// Sets the style class of the [`TitleBar`]. + #[cfg(feature = "advanced")] + #[must_use] + pub fn class(mut self, class: impl Into<Theme::Class<'a>>) -> Self { + self.class = class.into(); + self + } } impl<'a, Message, Theme, Renderer> TitleBar<'a, Message, Theme, Renderer> where - Renderer: crate::core::Renderer, + Theme: container::Catalog, + Renderer: core::Renderer, { pub(super) fn state(&self) -> Tree { let children = if let Some(controls) = self.controls.as_ref() { @@ -117,7 +130,7 @@ where /// Draws the [`TitleBar`] with the provided [`Renderer`] and [`Layout`]. /// - /// [`Renderer`]: crate::core::Renderer + /// [`Renderer`]: core::Renderer pub fn draw( &self, tree: &Tree, @@ -130,16 +143,7 @@ where show_controls: bool, ) { let bounds = layout.bounds(); - - let style = { - let status = if cursor.is_over(bounds) { - container::Status::Hovered - } else { - container::Status::Idle - }; - - (self.style)(theme, status) - }; + let style = theme.style(&self.class); let inherited_style = renderer::Style { text_color: style.text_color.unwrap_or(inherited_style.text_color), |