From 6cc48b5c62bac287b8f9f1c79c1fb7486c51b18f Mon Sep 17 00:00:00 2001 From: Héctor Ramón Jiménez Date: Fri, 3 Mar 2023 04:57:55 +0100 Subject: Move `Canvas` and `QRCode` to `iced` crate Rename `canvas` modules to `geometry` in graphics subcrates --- native/src/widget/canvas/program.rs | 108 ------------------------------------ 1 file changed, 108 deletions(-) delete mode 100644 native/src/widget/canvas/program.rs (limited to 'native/src/widget/canvas/program.rs') diff --git a/native/src/widget/canvas/program.rs b/native/src/widget/canvas/program.rs deleted file mode 100644 index 17a5a137..00000000 --- a/native/src/widget/canvas/program.rs +++ /dev/null @@ -1,108 +0,0 @@ -use crate::widget::canvas::event::{self, Event}; -use crate::widget::canvas::mouse; -use crate::widget::canvas::{Cursor, Renderer}; -use crate::Rectangle; - -/// The state and logic of a [`Canvas`]. -/// -/// A [`Program`] can mutate internal state and produce messages for an -/// application. -/// -/// [`Canvas`]: crate::widget::Canvas -pub trait Program -where - Renderer: self::Renderer, -{ - /// The internal state mutated by the [`Program`]. - type State: Default + 'static; - - /// Updates the [`State`](Self::State) of the [`Program`]. - /// - /// When a [`Program`] is used in a [`Canvas`], the runtime will call this - /// method for each [`Event`]. - /// - /// This method can optionally return a `Message` to notify an application - /// of any meaningful interactions. - /// - /// By default, this method does and returns nothing. - /// - /// [`Canvas`]: crate::widget::Canvas - fn update( - &self, - _state: &mut Self::State, - _event: Event, - _bounds: Rectangle, - _cursor: Cursor, - ) -> (event::Status, Option) { - (event::Status::Ignored, None) - } - - /// Draws the state of the [`Program`], producing a bunch of [`Geometry`]. - /// - /// [`Geometry`] can be easily generated with a [`Frame`] or stored in a - /// [`Cache`]. - /// - /// [`Frame`]: crate::widget::canvas::Frame - /// [`Cache`]: crate::widget::canvas::Cache - fn draw( - &self, - state: &Self::State, - renderer: &Renderer, - theme: &Renderer::Theme, - bounds: Rectangle, - cursor: Cursor, - ) -> Vec; - - /// Returns the current mouse interaction of the [`Program`]. - /// - /// The interaction returned will be in effect even if the cursor position - /// is out of bounds of the program's [`Canvas`]. - /// - /// [`Canvas`]: crate::widget::Canvas - fn mouse_interaction( - &self, - _state: &Self::State, - _bounds: Rectangle, - _cursor: Cursor, - ) -> mouse::Interaction { - mouse::Interaction::default() - } -} - -impl Program for &T -where - Renderer: self::Renderer, - T: Program, -{ - type State = T::State; - - fn update( - &self, - state: &mut Self::State, - event: Event, - bounds: Rectangle, - cursor: Cursor, - ) -> (event::Status, Option) { - T::update(self, state, event, bounds, cursor) - } - - fn draw( - &self, - state: &Self::State, - renderer: &Renderer, - theme: &Renderer::Theme, - bounds: Rectangle, - cursor: Cursor, - ) -> Vec { - T::draw(self, state, renderer, theme, bounds, cursor) - } - - fn mouse_interaction( - &self, - state: &Self::State, - bounds: Rectangle, - cursor: Cursor, - ) -> mouse::Interaction { - T::mouse_interaction(self, state, bounds, cursor) - } -} -- cgit