From 5166f6dbf06f911c5dcb21563274ca98285aca6c Mon Sep 17 00:00:00 2001 From: Joe Carstairs Date: Sun, 1 Feb 2026 21:01:48 +0000 Subject: Navigation::remove_options_where() --- .../navigation/navigation_remove_options.rs | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 schist_desktop_gui/src/gui/components/navigation/navigation_remove_options.rs (limited to 'schist_desktop_gui/src/gui/components/navigation/navigation_remove_options.rs') diff --git a/schist_desktop_gui/src/gui/components/navigation/navigation_remove_options.rs b/schist_desktop_gui/src/gui/components/navigation/navigation_remove_options.rs new file mode 100644 index 0000000..6320c99 --- /dev/null +++ b/schist_desktop_gui/src/gui/components/navigation/navigation_remove_options.rs @@ -0,0 +1,29 @@ +use iced::Element; + +use super::{Message, Navigation}; + +impl<'a, TOption> Navigation +where + TOption: Clone + PartialEq + 'a, + Element<'a, Message>: From<&'a TOption>, +{ + pub fn remove_options_where

(&mut self, pred: P) + where + P: Fn(&TOption) -> bool, + { + while let Some(index) = self.options_before_active.iter().position(&pred) { + self.options_before_active.remove(index); + } + + while let Some(index) = self.options_after_active.iter().position(&pred) { + self.options_after_active.remove(index); + } + + if self.active_option.as_ref().is_some_and(pred) { + self.active_option = self + .options_before_active + .pop() + .or_else(|| self.options_after_active.splice(0..1, Vec::new()).last()); + } + } +} -- cgit v1.2.3