diff options
Diffstat (limited to 'graphics/src')
-rw-r--r-- | graphics/src/backend.rs | 20 | ||||
-rw-r--r-- | graphics/src/overlay/menu.rs | 12 | ||||
-rw-r--r-- | graphics/src/widget.rs | 3 | ||||
-rw-r--r-- | graphics/src/widget/button.rs | 4 | ||||
-rw-r--r-- | graphics/src/widget/canvas/frame.rs | 2 | ||||
-rw-r--r-- | graphics/src/widget/canvas/program.rs | 2 | ||||
-rw-r--r-- | graphics/src/widget/pane_grid.rs | 8 | ||||
-rw-r--r-- | graphics/src/widget/pick_list.rs | 21 | ||||
-rw-r--r-- | graphics/src/widget/scrollable.rs | 10 | ||||
-rw-r--r-- | graphics/src/widget/text.rs | 21 | ||||
-rw-r--r-- | graphics/src/widget/toggler.rs | 99 | ||||
-rw-r--r-- | graphics/src/widget/tooltip.rs | 6 | ||||
-rw-r--r-- | graphics/src/window.rs | 2 | ||||
-rw-r--r-- | graphics/src/window/compositor.rs | 42 |
14 files changed, 215 insertions, 37 deletions
diff --git a/graphics/src/backend.rs b/graphics/src/backend.rs index ed1b9e08..656949c5 100644 --- a/graphics/src/backend.rs +++ b/graphics/src/backend.rs @@ -1,7 +1,8 @@ //! Write a graphics backend. use iced_native::image; use iced_native::svg; -use iced_native::{Font, Size}; +use iced_native::text; +use iced_native::{Font, Point, Size}; /// The graphics backend of a [`Renderer`]. /// @@ -43,6 +44,23 @@ pub trait Text { font: Font, bounds: Size, ) -> (f32, f32); + + /// Tests whether the provided point is within the boundaries of [`Text`] + /// laid out with the given parameters, returning information about + /// the nearest character. + /// + /// If nearest_only is true, the hit test does not consider whether the + /// the point is interior to any glyph bounds, returning only the character + /// with the nearest centeroid. + fn hit_test( + &self, + contents: &str, + size: f32, + font: Font, + bounds: Size, + point: Point, + nearest_only: bool, + ) -> text::Hit; } /// A graphics backend that supports image rendering. diff --git a/graphics/src/overlay/menu.rs b/graphics/src/overlay/menu.rs index ffe998c5..9e91a0ef 100644 --- a/graphics/src/overlay/menu.rs +++ b/graphics/src/overlay/menu.rs @@ -2,8 +2,8 @@ use crate::backend::{self, Backend}; use crate::{Primitive, Renderer}; use iced_native::{ - mouse, overlay, Color, Font, HorizontalAlignment, Point, Rectangle, - VerticalAlignment, + mouse, overlay, Color, Font, HorizontalAlignment, Padding, Point, + Rectangle, VerticalAlignment, }; pub use iced_style::menu::Style; @@ -45,7 +45,7 @@ where viewport: &Rectangle, options: &[T], hovered_option: Option<usize>, - padding: u16, + padding: Padding, text_size: u16, font: Font, style: &Style, @@ -53,7 +53,7 @@ where use std::f32; let is_mouse_over = bounds.contains(cursor_position); - let option_height = text_size as usize + padding as usize * 2; + let option_height = (text_size + padding.vertical()) as usize; let mut primitives = Vec::new(); @@ -72,7 +72,7 @@ where x: bounds.x, y: bounds.y + (option_height * i) as f32, width: bounds.width, - height: f32::from(text_size + padding * 2), + height: f32::from(text_size + padding.vertical()), }; if is_selected { @@ -88,7 +88,7 @@ where primitives.push(Primitive::Text { content: option.to_string(), bounds: Rectangle { - x: bounds.x + f32::from(padding), + x: bounds.x + padding.left as f32, y: bounds.center_y(), width: f32::INFINITY, ..bounds diff --git a/graphics/src/widget.rs b/graphics/src/widget.rs index 190ea9c0..e34d267f 100644 --- a/graphics/src/widget.rs +++ b/graphics/src/widget.rs @@ -20,6 +20,7 @@ pub mod scrollable; pub mod slider; pub mod svg; pub mod text_input; +pub mod toggler; pub mod tooltip; mod column; @@ -50,6 +51,8 @@ pub use slider::Slider; #[doc(no_inline)] pub use text_input::TextInput; #[doc(no_inline)] +pub use toggler::Toggler; +#[doc(no_inline)] pub use tooltip::Tooltip; pub use column::Column; diff --git a/graphics/src/widget/button.rs b/graphics/src/widget/button.rs index 2e3f78ca..60400ed8 100644 --- a/graphics/src/widget/button.rs +++ b/graphics/src/widget/button.rs @@ -5,7 +5,7 @@ use crate::defaults::{self, Defaults}; use crate::{Backend, Primitive, Renderer}; use iced_native::mouse; use iced_native::{ - Background, Color, Element, Layout, Point, Rectangle, Vector, + Background, Color, Element, Layout, Padding, Point, Rectangle, Vector, }; pub use iced_native::button::State; @@ -21,7 +21,7 @@ impl<B> iced_native::button::Renderer for Renderer<B> where B: Backend, { - const DEFAULT_PADDING: u16 = 5; + const DEFAULT_PADDING: Padding = Padding::new(5); type Style = Box<dyn StyleSheet>; diff --git a/graphics/src/widget/canvas/frame.rs b/graphics/src/widget/canvas/frame.rs index b86f9e04..5af9d11f 100644 --- a/graphics/src/widget/canvas/frame.rs +++ b/graphics/src/widget/canvas/frame.rs @@ -54,7 +54,7 @@ impl Frame { self.size.width } - /// Returns the width of the [`Frame`]. + /// Returns the height of the [`Frame`]. #[inline] pub fn height(&self) -> f32 { self.size.height diff --git a/graphics/src/widget/canvas/program.rs b/graphics/src/widget/canvas/program.rs index d703caad..85a2f67b 100644 --- a/graphics/src/widget/canvas/program.rs +++ b/graphics/src/widget/canvas/program.rs @@ -34,7 +34,7 @@ pub trait Program<Message> { /// [`Geometry`] can be easily generated with a [`Frame`] or stored in a /// [`Cache`]. /// - /// [`Frame`]: crate::widget::canvas::Cache + /// [`Frame`]: crate::widget::canvas::Frame /// [`Cache`]: crate::widget::canvas::Cache fn draw(&self, bounds: Rectangle, cursor: Cursor) -> Vec<Geometry>; diff --git a/graphics/src/widget/pane_grid.rs b/graphics/src/widget/pane_grid.rs index d06f8c6c..92cdbb77 100644 --- a/graphics/src/widget/pane_grid.rs +++ b/graphics/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/hecrj/iced/tree/0.2/examples/pane_grid +//! [`pane_grid` example]: https://github.com/hecrj/iced/tree/0.3/examples/pane_grid use crate::defaults; use crate::{Backend, Color, Primitive, Renderer}; use iced_native::container; @@ -218,10 +218,10 @@ where body_primitive, ], }, - if is_over_pick_area { - mouse::Interaction::Grab - } else if title_bar_interaction > body_interaction { + if title_bar_interaction > body_interaction { title_bar_interaction + } else if is_over_pick_area { + mouse::Interaction::Grab } else { body_interaction }, diff --git a/graphics/src/widget/pick_list.rs b/graphics/src/widget/pick_list.rs index f42a8707..88a590b5 100644 --- a/graphics/src/widget/pick_list.rs +++ b/graphics/src/widget/pick_list.rs @@ -2,7 +2,8 @@ use crate::backend::{self, Backend}; use crate::{Primitive, Renderer}; use iced_native::{ - mouse, Font, HorizontalAlignment, Point, Rectangle, VerticalAlignment, + mouse, Font, HorizontalAlignment, Padding, Point, Rectangle, + VerticalAlignment, }; use iced_style::menu; @@ -19,7 +20,7 @@ where { type Style = Box<dyn StyleSheet>; - const DEFAULT_PADDING: u16 = 5; + const DEFAULT_PADDING: Padding = Padding::new(5); fn menu_style(style: &Box<dyn StyleSheet>) -> menu::Style { style.menu() @@ -30,12 +31,14 @@ where bounds: Rectangle, cursor_position: Point, selected: Option<String>, - padding: u16, + placeholder: Option<&str>, + padding: Padding, text_size: u16, font: Font, style: &Box<dyn StyleSheet>, ) -> Self::Output { let is_mouse_over = bounds.contains(cursor_position); + let is_selected = selected.is_some(); let style = if is_mouse_over { style.hovered() @@ -56,7 +59,7 @@ where font: B::ICON_FONT, size: bounds.height * style.icon_size, bounds: Rectangle { - x: bounds.x + bounds.width - f32::from(padding) * 2.0, + x: bounds.x + bounds.width - f32::from(padding.horizontal()), y: bounds.center_y(), ..bounds }, @@ -67,14 +70,18 @@ where ( Primitive::Group { - primitives: if let Some(label) = selected { + primitives: if let Some(label) = + selected.or_else(|| placeholder.map(str::to_string)) + { let label = Primitive::Text { content: label, size: f32::from(text_size), font, - color: style.text_color, + color: is_selected + .then(|| style.text_color) + .unwrap_or(style.placeholder_color), bounds: Rectangle { - x: bounds.x + f32::from(padding), + x: bounds.x + f32::from(padding.left), y: bounds.center_y(), ..bounds }, diff --git a/graphics/src/widget/scrollable.rs b/graphics/src/widget/scrollable.rs index 57065ba2..2220e4b8 100644 --- a/graphics/src/widget/scrollable.rs +++ b/graphics/src/widget/scrollable.rs @@ -134,8 +134,16 @@ where Primitive::None }; + let scroll = Primitive::Clip { + bounds, + offset: Vector::new(0, 0), + content: Box::new(Primitive::Group { + primitives: vec![scrollbar, scroller], + }), + }; + Primitive::Group { - primitives: vec![clip, scrollbar, scroller], + primitives: vec![clip, scroll], } } else { content diff --git a/graphics/src/widget/text.rs b/graphics/src/widget/text.rs index 7e22e680..c235f254 100644 --- a/graphics/src/widget/text.rs +++ b/graphics/src/widget/text.rs @@ -4,7 +4,7 @@ use crate::{Primitive, Renderer}; use iced_native::mouse; use iced_native::text; use iced_native::{ - Color, Font, HorizontalAlignment, Rectangle, Size, VerticalAlignment, + Color, Font, HorizontalAlignment, Point, Rectangle, Size, VerticalAlignment, }; /// A paragraph of text. @@ -35,6 +35,25 @@ where .measure(content, f32::from(size), font, bounds) } + fn hit_test( + &self, + content: &str, + size: f32, + font: Font, + bounds: Size, + point: Point, + nearest_only: bool, + ) -> text::Hit { + self.backend().hit_test( + content, + size, + font, + bounds, + point, + nearest_only, + ) + } + fn draw( &mut self, defaults: &Self::Defaults, diff --git a/graphics/src/widget/toggler.rs b/graphics/src/widget/toggler.rs new file mode 100644 index 00000000..852d18ee --- /dev/null +++ b/graphics/src/widget/toggler.rs @@ -0,0 +1,99 @@ +//! Show toggle controls using togglers. +use crate::backend::{self, Backend}; +use crate::{Primitive, Renderer}; +use iced_native::mouse; +use iced_native::toggler; +use iced_native::Rectangle; + +pub use iced_style::toggler::{Style, StyleSheet}; + +/// Makes sure that the border radius of the toggler looks good at every size. +const BORDER_RADIUS_RATIO: f32 = 32.0 / 13.0; + +/// The space ratio between the background Quad and the Toggler bounds, and +/// between the background Quad and foreground Quad. +const SPACE_RATIO: f32 = 0.05; + +/// A toggler that can be toggled. +/// +/// This is an alias of an `iced_native` toggler with an `iced_wgpu::Renderer`. +pub type Toggler<Message, Backend> = + iced_native::Toggler<Message, Renderer<Backend>>; + +impl<B> toggler::Renderer for Renderer<B> +where + B: Backend + backend::Text, +{ + type Style = Box<dyn StyleSheet>; + + const DEFAULT_SIZE: u16 = 20; + + fn draw( + &mut self, + bounds: Rectangle, + is_active: bool, + is_mouse_over: bool, + label: Option<Self::Output>, + style_sheet: &Self::Style, + ) -> Self::Output { + let style = if is_mouse_over { + style_sheet.hovered(is_active) + } else { + style_sheet.active(is_active) + }; + + let border_radius = bounds.height as f32 / BORDER_RADIUS_RATIO; + let space = SPACE_RATIO * bounds.height as f32; + + let toggler_background_bounds = Rectangle { + x: bounds.x + space, + y: bounds.y + space, + width: bounds.width - (2.0 * space), + height: bounds.height - (2.0 * space), + }; + + let toggler_background = Primitive::Quad { + bounds: toggler_background_bounds, + background: style.background.into(), + border_radius, + border_width: 1.0, + border_color: style.background_border.unwrap_or(style.background), + }; + + let toggler_foreground_bounds = Rectangle { + x: bounds.x + + if is_active { + bounds.width - 2.0 * space - (bounds.height - (4.0 * space)) + } else { + 2.0 * space + }, + y: bounds.y + (2.0 * space), + width: bounds.height - (4.0 * space), + height: bounds.height - (4.0 * space), + }; + + let toggler_foreground = Primitive::Quad { + bounds: toggler_foreground_bounds, + background: style.foreground.into(), + border_radius, + border_width: 1.0, + border_color: style.foreground_border.unwrap_or(style.foreground), + }; + + ( + Primitive::Group { + primitives: match label { + Some((l, _)) => { + vec![l, toggler_background, toggler_foreground] + } + None => vec![toggler_background, toggler_foreground], + }, + }, + if is_mouse_over { + mouse::Interaction::Pointer + } else { + mouse::Interaction::default() + }, + ) + } +} diff --git a/graphics/src/widget/tooltip.rs b/graphics/src/widget/tooltip.rs index 1a1b5352..493a6389 100644 --- a/graphics/src/widget/tooltip.rs +++ b/graphics/src/widget/tooltip.rs @@ -5,7 +5,7 @@ use crate::{Primitive, Renderer, Vector}; use iced_native::container; use iced_native::layout::{self, Layout}; -use iced_native::{Element, Point, Rectangle, Size, Text}; +use iced_native::{Element, Padding, Point, Rectangle, Size, Text}; /// An element decorating some content. /// @@ -49,7 +49,6 @@ where use iced_native::Widget; let gap = f32::from(gap); - let padding = f32::from(padding); let style = style_sheet.style(); let defaults = Defaults { @@ -62,9 +61,10 @@ where tooltip, self, &layout::Limits::new(Size::ZERO, viewport.size()) - .pad(f32::from(padding)), + .pad(Padding::new(padding)), ); + let padding = f32::from(padding); let text_bounds = text_layout.bounds(); let x_center = bounds.x + (bounds.width - text_bounds.width) / 2.0; let y_center = diff --git a/graphics/src/window.rs b/graphics/src/window.rs index 3e74db5f..67ec3322 100644 --- a/graphics/src/window.rs +++ b/graphics/src/window.rs @@ -4,7 +4,7 @@ mod compositor; #[cfg(feature = "opengl")] mod gl_compositor; -pub use compositor::Compositor; +pub use compositor::{Compositor, SurfaceError}; #[cfg(feature = "opengl")] pub use gl_compositor::GLCompositor; diff --git a/graphics/src/window/compositor.rs b/graphics/src/window/compositor.rs index 0bc8cbc8..37edef1d 100644 --- a/graphics/src/window/compositor.rs +++ b/graphics/src/window/compositor.rs @@ -1,6 +1,9 @@ use crate::{Color, Error, Viewport}; + use iced_native::mouse; + use raw_window_handle::HasRawWindowHandle; +use thiserror::Error; /// A graphics compositor that can draw to windows. pub trait Compositor: Sized { @@ -13,11 +16,11 @@ pub trait Compositor: Sized { /// The surface of the backend. type Surface; - /// The swap chain of the backend. - type SwapChain; - /// Creates a new [`Compositor`]. - fn new(settings: Self::Settings) -> Result<(Self, Self::Renderer), Error>; + fn new<W: HasRawWindowHandle>( + settings: Self::Settings, + compatible_window: Option<&W>, + ) -> Result<(Self, Self::Renderer), Error>; /// Crates a new [`Surface`] for the given window. /// @@ -31,12 +34,12 @@ pub trait Compositor: Sized { /// /// [`SwapChain`]: Self::SwapChain /// [`Surface`]: Self::Surface - fn create_swap_chain( + fn configure_surface( &mut self, - surface: &Self::Surface, + surface: &mut Self::Surface, width: u32, height: u32, - ) -> Self::SwapChain; + ); /// Draws the output primitives to the next frame of the given [`SwapChain`]. /// @@ -44,10 +47,31 @@ pub trait Compositor: Sized { fn draw<T: AsRef<str>>( &mut self, renderer: &mut Self::Renderer, - swap_chain: &mut Self::SwapChain, + surface: &mut Self::Surface, viewport: &Viewport, background_color: Color, output: &<Self::Renderer as iced_native::Renderer>::Output, overlay: &[T], - ) -> mouse::Interaction; + ) -> Result<mouse::Interaction, SurfaceError>; +} + +/// Result of an unsuccessful call to [`Compositor::draw`]. +#[derive(Clone, PartialEq, Eq, Debug, Error)] +pub enum SurfaceError { + /// A timeout was encountered while trying to acquire the next frame. + #[error( + "A timeout was encountered while trying to acquire the next frame" + )] + Timeout, + /// The underlying surface has changed, and therefore the swap chain must be updated. + #[error( + "The underlying surface has changed, and therefore the swap chain must be updated." + )] + Outdated, + /// The swap chain has been lost and needs to be recreated. + #[error("The swap chain has been lost and needs to be recreated")] + Lost, + /// There is no more memory left to allocate a new frame. + #[error("There is no more memory left to allocate a new frame")] + OutOfMemory, } |