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author | 2022-05-14 01:47:55 +0200 | |
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committer | 2022-05-14 01:56:32 +0200 | |
commit | 664251f3f5c7b76f69a97683af1468094bba887f (patch) | |
tree | f43a495036ed117ce5dbb479c62652d872a6d273 /native/src | |
parent | 5de337f214530faab1d5fe47784afd7006c3f7f0 (diff) | |
download | iced-664251f3f5c7b76f69a97683af1468094bba887f.tar.gz iced-664251f3f5c7b76f69a97683af1468094bba887f.tar.bz2 iced-664251f3f5c7b76f69a97683af1468094bba887f.zip |
Draft first-class `Theme` support
RFC: https://github.com/iced-rs/rfcs/pull/6
Diffstat (limited to 'native/src')
32 files changed, 142 insertions, 31 deletions
diff --git a/native/src/element.rs b/native/src/element.rs index 119b7892..425bddc2 100644 --- a/native/src/element.rs +++ b/native/src/element.rs @@ -244,13 +244,20 @@ where pub fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, viewport: &Rectangle, ) { - self.widget - .draw(renderer, style, layout, cursor_position, viewport) + self.widget.draw( + renderer, + theme, + style, + layout, + cursor_position, + viewport, + ) } /// Returns the current [`mouse::Interaction`] of the [`Element`]. @@ -350,13 +357,20 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, viewport: &Rectangle, ) { - self.widget - .draw(renderer, style, layout, cursor_position, viewport) + self.widget.draw( + renderer, + theme, + style, + layout, + cursor_position, + viewport, + ) } fn mouse_interaction( @@ -444,6 +458,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, @@ -471,6 +486,7 @@ where self.element.widget.draw( renderer, + theme, style, layout, cursor_position, diff --git a/native/src/lib.rs b/native/src/lib.rs index db60976f..948fdff0 100644 --- a/native/src/lib.rs +++ b/native/src/lib.rs @@ -76,6 +76,7 @@ pub use iced_core::{ Rectangle, Size, Vector, }; pub use iced_futures::{executor, futures}; +pub use iced_style::theme; #[doc(no_inline)] pub use executor::Executor; @@ -93,5 +94,6 @@ pub use renderer::Renderer; pub use runtime::Runtime; pub use shell::Shell; pub use subscription::Subscription; +pub use theme::Theme; pub use user_interface::UserInterface; pub use widget::Widget; diff --git a/native/src/overlay.rs b/native/src/overlay.rs index 86878f6a..792d2905 100644 --- a/native/src/overlay.rs +++ b/native/src/overlay.rs @@ -34,6 +34,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, diff --git a/native/src/overlay/element.rs b/native/src/overlay/element.rs index 24c0fe01..de2e1f37 100644 --- a/native/src/overlay/element.rs +++ b/native/src/overlay/element.rs @@ -94,11 +94,13 @@ where pub fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, ) { - self.overlay.draw(renderer, style, layout, cursor_position) + self.overlay + .draw(renderer, theme, style, layout, cursor_position) } } @@ -173,10 +175,12 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, ) { - self.content.draw(renderer, style, layout, cursor_position) + self.content + .draw(renderer, theme, style, layout, cursor_position) } } diff --git a/native/src/overlay/menu.rs b/native/src/overlay/menu.rs index 13fa7beb..78d65d13 100644 --- a/native/src/overlay/menu.rs +++ b/native/src/overlay/menu.rs @@ -241,6 +241,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, @@ -257,8 +258,14 @@ where self.style.background, ); - self.container - .draw(renderer, style, layout, cursor_position, &bounds); + self.container.draw( + renderer, + theme, + style, + layout, + cursor_position, + &bounds, + ); } } @@ -389,6 +396,7 @@ where fn draw( &self, renderer: &mut Renderer, + _theme: &Renderer::Theme, _style: &renderer::Style, layout: Layout<'_>, _cursor_position: Point, diff --git a/native/src/program/state.rs b/native/src/program/state.rs index cb87a628..6ab6051b 100644 --- a/native/src/program/state.rs +++ b/native/src/program/state.rs @@ -86,6 +86,7 @@ where bounds: Size, cursor_position: Point, renderer: &mut P::Renderer, + theme: &<P::Renderer as crate::Renderer>::Theme, clipboard: &mut dyn Clipboard, debug: &mut Debug, ) -> Option<Command<P::Message>> { @@ -115,7 +116,7 @@ where if messages.is_empty() { debug.draw_started(); self.mouse_interaction = - user_interface.draw(renderer, cursor_position); + user_interface.draw(renderer, theme, cursor_position); debug.draw_finished(); self.cache = Some(user_interface.into_cache()); @@ -147,7 +148,7 @@ where debug.draw_started(); self.mouse_interaction = - user_interface.draw(renderer, cursor_position); + user_interface.draw(renderer, theme, cursor_position); debug.draw_finished(); self.cache = Some(user_interface.into_cache()); diff --git a/native/src/renderer.rs b/native/src/renderer.rs index 73d2f401..a7305a55 100644 --- a/native/src/renderer.rs +++ b/native/src/renderer.rs @@ -9,6 +9,9 @@ use crate::{Background, Color, Element, Rectangle, Vector}; /// A component that can be used by widgets to draw themselves on a screen. pub trait Renderer: Sized { + /// The supported theme of the [`Renderer`]. + type Theme; + /// Lays out the elements of a user interface. /// /// You should override this if you need to perform any operations before or diff --git a/native/src/renderer/null.rs b/native/src/renderer/null.rs index a5b2f277..c591f4e2 100644 --- a/native/src/renderer/null.rs +++ b/native/src/renderer/null.rs @@ -1,6 +1,6 @@ use crate::renderer::{self, Renderer}; use crate::text::{self, Text}; -use crate::{Background, Font, Point, Rectangle, Size, Vector}; +use crate::{Background, Font, Point, Rectangle, Size, Theme, Vector}; /// A renderer that does nothing. /// @@ -16,6 +16,8 @@ impl Null { } impl Renderer for Null { + type Theme = Theme; + fn with_layer(&mut self, _bounds: Rectangle, _f: impl FnOnce(&mut Self)) {} fn with_translation( diff --git a/native/src/user_interface.rs b/native/src/user_interface.rs index f80786aa..12f9827d 100644 --- a/native/src/user_interface.rs +++ b/native/src/user_interface.rs @@ -274,7 +274,7 @@ where /// [completing the last example](#example-1): /// /// ```no_run - /// use iced_native::{clipboard, Size, Point}; + /// use iced_native::{clipboard, Size, Point, Theme}; /// use iced_native::user_interface::{self, UserInterface}; /// use iced_wgpu::Renderer; /// @@ -322,7 +322,7 @@ where /// ); /// /// // Draw the user interface - /// let mouse_cursor = user_interface.draw(&mut renderer, cursor_position); + /// let mouse_cursor = user_interface.draw(&mut renderer, &Theme::default(), cursor_position); /// /// cache = user_interface.into_cache(); /// @@ -337,6 +337,7 @@ where pub fn draw( &mut self, renderer: &mut Renderer, + theme: &Renderer::Theme, cursor_position: Point, ) -> mouse::Interaction { // TODO: Move to shell level (?) @@ -368,6 +369,7 @@ where self.root.widget.draw( renderer, + theme, &renderer::Style::default(), Layout::new(&self.base), base_cursor, @@ -409,6 +411,7 @@ where renderer.with_layer(overlay_bounds, |renderer| { overlay.draw( renderer, + theme, &renderer::Style::default(), Layout::new(layout), cursor_position, diff --git a/native/src/widget.rs b/native/src/widget.rs index 8417dad1..9fe96e33 100644 --- a/native/src/widget.rs +++ b/native/src/widget.rs @@ -125,6 +125,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, diff --git a/native/src/widget/button.rs b/native/src/widget/button.rs index b03d9f27..09c59cbe 100644 --- a/native/src/widget/button.rs +++ b/native/src/widget/button.rs @@ -55,20 +55,26 @@ pub use iced_style::button::{Style, StyleSheet}; /// } /// ``` #[allow(missing_debug_implementations)] -pub struct Button<'a, Message, Renderer> { +pub struct Button<'a, Message, Renderer> +where + Renderer: crate::Renderer, + Renderer::Theme: StyleSheet, +{ state: &'a mut State, content: Element<'a, Message, Renderer>, on_press: Option<Message>, width: Length, height: Length, padding: Padding, - style_sheet: Box<dyn StyleSheet + 'a>, + variant: <Renderer::Theme as StyleSheet>::Variant, } impl<'a, Message, Renderer> Button<'a, Message, Renderer> where Message: Clone, Renderer: crate::Renderer, + Renderer::Theme: StyleSheet, + <Renderer::Theme as StyleSheet>::Variant: Default, { /// Creates a new [`Button`] with some local [`State`] and the given /// content. @@ -83,7 +89,7 @@ where width: Length::Shrink, height: Length::Shrink, padding: Padding::new(5), - style_sheet: Default::default(), + variant: <Renderer::Theme as StyleSheet>::Variant::default(), } } @@ -112,12 +118,12 @@ where self } - /// Sets the style of the [`Button`]. + /// Sets the style variant of this [`Button`]. pub fn style( mut self, - style_sheet: impl Into<Box<dyn StyleSheet + 'a>>, + variant: <Renderer::Theme as StyleSheet>::Variant, ) -> Self { - self.style_sheet = style_sheet.into(); + self.variant = variant; self } } @@ -190,28 +196,29 @@ pub fn update<'a, Message: Clone>( } /// Draws a [`Button`]. -pub fn draw<'a, Renderer: crate::Renderer>( +pub fn draw<'a, Renderer: crate::Renderer, Variant>( renderer: &mut Renderer, bounds: Rectangle, cursor_position: Point, is_enabled: bool, - style_sheet: &dyn StyleSheet, + style_sheet: &dyn StyleSheet<Variant = Variant>, + variation: Variant, state: impl FnOnce() -> &'a State, ) -> Style { let is_mouse_over = bounds.contains(cursor_position); let styling = if !is_enabled { - style_sheet.disabled() + style_sheet.disabled(variation) } else if is_mouse_over { let state = state(); if state.is_pressed { - style_sheet.pressed() + style_sheet.pressed(variation) } else { - style_sheet.hovered() + style_sheet.hovered(variation) } } else { - style_sheet.active() + style_sheet.active(variation) }; if styling.background.is_some() || styling.border_width > 0.0 { @@ -287,6 +294,8 @@ impl<'a, Message, Renderer> Widget<Message, Renderer> where Message: Clone, Renderer: crate::Renderer, + Renderer::Theme: StyleSheet, + <Renderer::Theme as StyleSheet>::Variant: Copy, { fn width(&self) -> Length { self.width @@ -354,6 +363,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, _style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, @@ -367,12 +377,14 @@ where bounds, cursor_position, self.on_press.is_some(), - self.style_sheet.as_ref(), + theme, + self.variant, || &self.state, ); self.content.draw( renderer, + theme, &renderer::Style { text_color: styling.text_color, }, @@ -397,6 +409,8 @@ impl<'a, Message, Renderer> From<Button<'a, Message, Renderer>> where Message: 'a + Clone, Renderer: 'a + crate::Renderer, + Renderer::Theme: StyleSheet, + <Renderer::Theme as StyleSheet>::Variant: Copy, { fn from( button: Button<'a, Message, Renderer>, diff --git a/native/src/widget/checkbox.rs b/native/src/widget/checkbox.rs index b6d920df..290cb114 100644 --- a/native/src/widget/checkbox.rs +++ b/native/src/widget/checkbox.rs @@ -197,6 +197,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, diff --git a/native/src/widget/column.rs b/native/src/widget/column.rs index 268218b1..01ddd9f1 100644 --- a/native/src/widget/column.rs +++ b/native/src/widget/column.rs @@ -187,13 +187,21 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, viewport: &Rectangle, ) { for (child, layout) in self.children.iter().zip(layout.children()) { - child.draw(renderer, style, layout, cursor_position, viewport); + child.draw( + renderer, + theme, + style, + layout, + cursor_position, + viewport, + ); } } diff --git a/native/src/widget/container.rs b/native/src/widget/container.rs index 0e7c301e..efcecb1e 100644 --- a/native/src/widget/container.rs +++ b/native/src/widget/container.rs @@ -209,6 +209,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, renderer_style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, @@ -220,6 +221,7 @@ where self.content.draw( renderer, + theme, &renderer::Style { text_color: style .text_color diff --git a/native/src/widget/image.rs b/native/src/widget/image.rs index 8e7a28e5..1e753219 100644 --- a/native/src/widget/image.rs +++ b/native/src/widget/image.rs @@ -136,6 +136,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, _style: &renderer::Style, layout: Layout<'_>, _cursor_position: Point, diff --git a/native/src/widget/image/viewer.rs b/native/src/widget/image/viewer.rs index 840b88e5..1aa75aa0 100644 --- a/native/src/widget/image/viewer.rs +++ b/native/src/widget/image/viewer.rs @@ -303,6 +303,7 @@ where fn draw( &self, renderer: &mut Renderer, + _theme: &Renderer::Theme, _style: &renderer::Style, layout: Layout<'_>, _cursor_position: Point, diff --git a/native/src/widget/pane_grid.rs b/native/src/widget/pane_grid.rs index 0ceec83e..fb056f79 100644 --- a/native/src/widget/pane_grid.rs +++ b/native/src/widget/pane_grid.rs @@ -754,6 +754,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, @@ -772,7 +773,14 @@ where self.style_sheet.as_ref(), self.elements.iter().map(|(pane, content)| (*pane, content)), |pane, renderer, style, layout, cursor_position, rectangle| { - pane.draw(renderer, style, layout, cursor_position, rectangle); + pane.draw( + renderer, + theme, + style, + layout, + cursor_position, + rectangle, + ); }, ) } diff --git a/native/src/widget/pane_grid/content.rs b/native/src/widget/pane_grid/content.rs index 407f5458..6b3ff680 100644 --- a/native/src/widget/pane_grid/content.rs +++ b/native/src/widget/pane_grid/content.rs @@ -59,6 +59,7 @@ where pub fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, @@ -81,6 +82,7 @@ where title_bar.draw( renderer, + theme, style, title_bar_layout, cursor_position, @@ -90,14 +92,21 @@ where self.body.draw( renderer, + theme, style, body_layout, cursor_position, viewport, ); } else { - self.body - .draw(renderer, style, layout, cursor_position, viewport); + self.body.draw( + renderer, + theme, + style, + layout, + cursor_position, + viewport, + ); } } diff --git a/native/src/widget/pane_grid/title_bar.rs b/native/src/widget/pane_grid/title_bar.rs index a10181af..1392d505 100644 --- a/native/src/widget/pane_grid/title_bar.rs +++ b/native/src/widget/pane_grid/title_bar.rs @@ -86,6 +86,7 @@ where pub fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, inherited_style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, @@ -108,6 +109,7 @@ where self.content.draw( renderer, + theme, &inherited_style, title_layout, cursor_position, @@ -120,6 +122,7 @@ where if show_controls || self.always_show_controls { controls.draw( renderer, + theme, &inherited_style, controls_layout, cursor_position, diff --git a/native/src/widget/pick_list.rs b/native/src/widget/pick_list.rs index 0374aef7..64a236e7 100644 --- a/native/src/widget/pick_list.rs +++ b/native/src/widget/pick_list.rs @@ -490,6 +490,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, _style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, diff --git a/native/src/widget/progress_bar.rs b/native/src/widget/progress_bar.rs index c26c38fa..2963451c 100644 --- a/native/src/widget/progress_bar.rs +++ b/native/src/widget/progress_bar.rs @@ -97,6 +97,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, _style: &renderer::Style, layout: Layout<'_>, _cursor_position: Point, diff --git a/native/src/widget/radio.rs b/native/src/widget/radio.rs index 657ae786..5d936eaf 100644 --- a/native/src/widget/radio.rs +++ b/native/src/widget/radio.rs @@ -211,6 +211,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, diff --git a/native/src/widget/row.rs b/native/src/widget/row.rs index 7a7c70c6..9cff74c6 100644 --- a/native/src/widget/row.rs +++ b/native/src/widget/row.rs @@ -187,13 +187,21 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, viewport: &Rectangle, ) { for (child, layout) in self.children.iter().zip(layout.children()) { - child.draw(renderer, style, layout, cursor_position, viewport); + child.draw( + renderer, + theme, + style, + layout, + cursor_position, + viewport, + ); } } diff --git a/native/src/widget/rule.rs b/native/src/widget/rule.rs index 69619583..fc3b0202 100644 --- a/native/src/widget/rule.rs +++ b/native/src/widget/rule.rs @@ -70,6 +70,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, _style: &renderer::Style, layout: Layout<'_>, _cursor_position: Point, diff --git a/native/src/widget/scrollable.rs b/native/src/widget/scrollable.rs index 8958f6da..5c59b8b2 100644 --- a/native/src/widget/scrollable.rs +++ b/native/src/widget/scrollable.rs @@ -702,6 +702,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, @@ -719,6 +720,7 @@ where |renderer, layout, cursor_position, viewport| { self.content.draw( renderer, + theme, style, layout, cursor_position, diff --git a/native/src/widget/slider.rs b/native/src/widget/slider.rs index f2e84ea9..3143aed9 100644 --- a/native/src/widget/slider.rs +++ b/native/src/widget/slider.rs @@ -410,6 +410,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, _style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, diff --git a/native/src/widget/space.rs b/native/src/widget/space.rs index 4135d1b8..81338306 100644 --- a/native/src/widget/space.rs +++ b/native/src/widget/space.rs @@ -60,6 +60,7 @@ where fn draw( &self, _renderer: &mut Renderer, + _theme: &Renderer::Theme, _style: &renderer::Style, _layout: Layout<'_>, _cursor_position: Point, diff --git a/native/src/widget/svg.rs b/native/src/widget/svg.rs index 008ab356..76b3eb8b 100644 --- a/native/src/widget/svg.rs +++ b/native/src/widget/svg.rs @@ -110,6 +110,7 @@ where fn draw( &self, renderer: &mut Renderer, + _theme: &Renderer::Theme, _style: &renderer::Style, layout: Layout<'_>, _cursor_position: Point, diff --git a/native/src/widget/text.rs b/native/src/widget/text.rs index a7855c30..5f7e9159 100644 --- a/native/src/widget/text.rs +++ b/native/src/widget/text.rs @@ -130,6 +130,7 @@ where fn draw( &self, renderer: &mut Renderer, + _theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, _cursor_position: Point, diff --git a/native/src/widget/text_input.rs b/native/src/widget/text_input.rs index 5ecd68e9..8230398c 100644 --- a/native/src/widget/text_input.rs +++ b/native/src/widget/text_input.rs @@ -812,6 +812,7 @@ where fn draw( &self, renderer: &mut Renderer, + _theme: &Renderer::Theme, _style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, diff --git a/native/src/widget/toggler.rs b/native/src/widget/toggler.rs index 6d7592f3..c19b9a32 100644 --- a/native/src/widget/toggler.rs +++ b/native/src/widget/toggler.rs @@ -208,6 +208,7 @@ where fn draw( &self, renderer: &mut Renderer, + _theme: &Renderer::Theme, style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, diff --git a/native/src/widget/tooltip.rs b/native/src/widget/tooltip.rs index c929395f..141aa5c8 100644 --- a/native/src/widget/tooltip.rs +++ b/native/src/widget/tooltip.rs @@ -267,6 +267,7 @@ where fn draw( &self, renderer: &mut Renderer, + theme: &Renderer::Theme, inherited_style: &renderer::Style, layout: Layout<'_>, cursor_position: Point, @@ -274,6 +275,7 @@ where ) { self.content.draw( renderer, + theme, inherited_style, layout, cursor_position, @@ -299,6 +301,7 @@ where Widget::<(), Renderer>::draw( tooltip, renderer, + theme, defaults, layout, cursor_position, |