Refresh UI on window focus

Signed-off-by: Alex Saveau <[email protected]>

egui/src/main.rs

@@ -426,6 +426,9 @@ struct UiState {
 
     query: String,
     search_results: Vec<UiEntry>,
+
+    was_focused: bool,
+    skipped_first_focus: bool,
 }
 
 #[derive(Debug)]
@@ -587,6 +590,16 @@ fn main_ui(
             .and_then(|()| requests.send(Command::LoadFirstPage));
     };
 
+    ui.input(|i| {
+        if !state.was_focused && i.focused && state.skipped_first_focus {
+            refresh();
+        }
+        if i.focused {
+            state.skipped_first_focus = true;
+        }
+        state.was_focused = i.focused;
+    });
+
     if let Some(ref e) = state.fatal_error {
         ui.label(format!("Fatal error: {e:?}"));
         return;