diff options
Diffstat (limited to 'runtime')
| -rw-r--r-- | runtime/src/program/state.rs | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/runtime/src/program/state.rs b/runtime/src/program/state.rs index d83e3f54..35df6078 100644 --- a/runtime/src/program/state.rs +++ b/runtime/src/program/state.rs @@ -1,6 +1,7 @@ use crate::core::event::{self, Event}; use crate::core::mouse; use crate::core::renderer; +use crate::core::widget::operation::{self, Operation}; use crate::core::{Clipboard, Size}; use crate::user_interface::{self, UserInterface}; use crate::{Command, Debug, Program}; @@ -173,6 +174,43 @@ where (uncaptured_events, command) } + + /// Applies [`widget::Operation`]s to the [`State`] + pub fn operate( + &mut self, + renderer: &mut P::Renderer, + operations: impl Iterator<Item = Box<dyn Operation<P::Message>>>, + bounds: Size, + debug: &mut Debug, + ) { + let mut user_interface = build_user_interface( + &mut self.program, + self.cache.take().unwrap(), + renderer, + bounds, + debug, + ); + + for operation in operations { + let mut current_operation = Some(operation); + + while let Some(mut operation) = current_operation.take() { + user_interface.operate(renderer, operation.as_mut()); + + match operation.finish() { + operation::Outcome::None => {} + operation::Outcome::Some(message) => { + self.queued_messages.push(message) + } + operation::Outcome::Chain(next) => { + current_operation = Some(next); + } + }; + } + } + + self.cache = Some(user_interface.into_cache()); + } } fn build_user_interface<'a, P: Program>( |