diff options
Diffstat (limited to 'widget/src/overlay/menu.rs')
-rw-r--r-- | widget/src/overlay/menu.rs | 76 |
1 files changed, 40 insertions, 36 deletions
diff --git a/widget/src/overlay/menu.rs b/widget/src/overlay/menu.rs index 678bb7b5..a7b7ec94 100644 --- a/widget/src/overlay/menu.rs +++ b/widget/src/overlay/menu.rs @@ -19,10 +19,15 @@ pub use iced_style::menu::{Appearance, StyleSheet}; /// A list of selectable options. #[allow(missing_debug_implementations)] -pub struct Menu<'a, T, Message, Renderer = crate::Renderer> -where +pub struct Menu< + 'a, + T, + Message, + Theme = crate::Theme, + Renderer = crate::Renderer, +> where + Theme: StyleSheet, Renderer: text::Renderer, - Renderer::Theme: StyleSheet, { state: &'a mut State, options: &'a [T], @@ -35,16 +40,15 @@ where text_line_height: text::LineHeight, text_shaping: text::Shaping, font: Option<Renderer::Font>, - style: <Renderer::Theme as StyleSheet>::Style, + style: Theme::Style, } -impl<'a, T, Message, Renderer> Menu<'a, T, Message, Renderer> +impl<'a, T, Message, Theme, Renderer> Menu<'a, T, Message, Theme, Renderer> where T: ToString + Clone, Message: 'a, + Theme: StyleSheet + container::StyleSheet + scrollable::StyleSheet + 'a, Renderer: text::Renderer + 'a, - Renderer::Theme: - StyleSheet + container::StyleSheet + scrollable::StyleSheet, { /// Creates a new [`Menu`] with the given [`State`], a list of options, and /// the message to produced when an option is selected. @@ -113,7 +117,7 @@ where /// Sets the style of the [`Menu`]. pub fn style( mut self, - style: impl Into<<Renderer::Theme as StyleSheet>::Style>, + style: impl Into<<Theme as StyleSheet>::Style>, ) -> Self { self.style = style.into(); self @@ -129,7 +133,7 @@ where self, position: Point, target_height: f32, - ) -> overlay::Element<'a, Message, Renderer> { + ) -> overlay::Element<'a, Message, Theme, Renderer> { overlay::Element::new( position, Box::new(Overlay::new(self, target_height)), @@ -158,28 +162,26 @@ impl Default for State { } } -struct Overlay<'a, Message, Renderer> +struct Overlay<'a, Message, Theme, Renderer> where + Theme: StyleSheet + container::StyleSheet, Renderer: crate::core::Renderer, - Renderer::Theme: StyleSheet + container::StyleSheet, { state: &'a mut Tree, - container: Container<'a, Message, Renderer>, + container: Container<'a, Message, Theme, Renderer>, width: f32, target_height: f32, - style: <Renderer::Theme as StyleSheet>::Style, + style: <Theme as StyleSheet>::Style, } -impl<'a, Message, Renderer> Overlay<'a, Message, Renderer> +impl<'a, Message, Theme, Renderer> Overlay<'a, Message, Theme, Renderer> where Message: 'a, - Renderer: 'a, - Renderer: text::Renderer, - Renderer::Theme: - StyleSheet + container::StyleSheet + scrollable::StyleSheet, + Theme: StyleSheet + container::StyleSheet + scrollable::StyleSheet + 'a, + Renderer: text::Renderer + 'a, { pub fn new<T>( - menu: Menu<'a, T, Message, Renderer>, + menu: Menu<'a, T, Message, Theme, Renderer>, target_height: f32, ) -> Self where @@ -213,7 +215,7 @@ where style: style.clone(), })); - state.tree.diff(&container as &dyn Widget<_, _>); + state.tree.diff(&container as &dyn Widget<_, _, _>); Self { state: &mut state.tree, @@ -225,11 +227,12 @@ where } } -impl<'a, Message, Renderer> crate::core::Overlay<Message, Renderer> - for Overlay<'a, Message, Renderer> +impl<'a, Message, Theme, Renderer> + crate::core::Overlay<Message, Theme, Renderer> + for Overlay<'a, Message, Theme, Renderer> where + Theme: StyleSheet + container::StyleSheet, Renderer: text::Renderer, - Renderer::Theme: StyleSheet + container::StyleSheet, { fn layout( &mut self, @@ -295,12 +298,12 @@ where fn draw( &self, renderer: &mut Renderer, - theme: &Renderer::Theme, + theme: &Theme, style: &renderer::Style, layout: Layout<'_>, cursor: mouse::Cursor, ) { - let appearance = theme.appearance(&self.style); + let appearance = StyleSheet::appearance(theme, &self.style); let bounds = layout.bounds(); renderer.fill_quad( @@ -317,10 +320,10 @@ where } } -struct List<'a, T, Message, Renderer> +struct List<'a, T, Message, Theme, Renderer> where + Theme: StyleSheet, Renderer: text::Renderer, - Renderer::Theme: StyleSheet, { options: &'a [T], hovered_option: &'a mut Option<usize>, @@ -331,15 +334,15 @@ where text_line_height: text::LineHeight, text_shaping: text::Shaping, font: Option<Renderer::Font>, - style: <Renderer::Theme as StyleSheet>::Style, + style: Theme::Style, } -impl<'a, T, Message, Renderer> Widget<Message, Renderer> - for List<'a, T, Message, Renderer> +impl<'a, T, Message, Theme, Renderer> Widget<Message, Theme, Renderer> + for List<'a, T, Message, Theme, Renderer> where T: Clone + ToString, + Theme: StyleSheet, Renderer: text::Renderer, - Renderer::Theme: StyleSheet, { fn size(&self) -> Size<Length> { Size { @@ -475,7 +478,7 @@ where &self, _state: &Tree, renderer: &mut Renderer, - theme: &Renderer::Theme, + theme: &Theme, _style: &renderer::Style, layout: Layout<'_>, _cursor: mouse::Cursor, @@ -545,15 +548,16 @@ where } } -impl<'a, T, Message, Renderer> From<List<'a, T, Message, Renderer>> - for Element<'a, Message, Renderer> +impl<'a, T, Message, Theme, Renderer> + From<List<'a, T, Message, Theme, Renderer>> + for Element<'a, Message, Theme, Renderer> where T: ToString + Clone, Message: 'a, + Theme: StyleSheet + 'a, Renderer: 'a + text::Renderer, - Renderer::Theme: StyleSheet, { - fn from(list: List<'a, T, Message, Renderer>) -> Self { + fn from(list: List<'a, T, Message, Theme, Renderer>) -> Self { Element::new(list) } } |