Init

src/state/ui.rs

@@ -0,0 +1,50 @@
+use std::time::{Duration, Instant};
+
+use crate::state::Modal;
+
+pub struct UiState {
+    pub status_message: Option<String>,
+    pub flash_until: Option<Instant>,
+    pub modal: Modal,
+    pub doc_topic: usize,
+    pub doc_scroll: usize,
+    pub doc_category: usize,
+    pub show_title: bool,
+    pub runtime_highlight: bool,
+}
+
+impl Default for UiState {
+    fn default() -> Self {
+        Self {
+            status_message: None,
+            flash_until: None,
+            modal: Modal::None,
+            doc_topic: 0,
+            doc_scroll: 0,
+            doc_category: 0,
+            show_title: true,
+            runtime_highlight: false,
+        }
+    }
+}
+
+impl UiState {
+    pub fn flash(&mut self, msg: &str, duration_ms: u64) {
+        self.status_message = Some(msg.to_string());
+        self.flash_until = Some(Instant::now() + Duration::from_millis(duration_ms));
+    }
+
+    pub fn set_status(&mut self, msg: String) {
+        self.status_message = Some(msg);
+    }
+
+    pub fn clear_status(&mut self) {
+        self.status_message = None;
+    }
+
+    pub fn is_flashing(&self) -> bool {
+        self.flash_until
+            .map(|t| Instant::now() < t)
+            .unwrap_or(false)
+    }
+}