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fix: Prevent inlay hints from flickering while typing #21096

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fix: Prevent inlay hints from flickering while typing #21096

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10 changes: 5 additions & 5 deletions crates/rust-analyzer/src/main_loop.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -505,11 +505,6 @@ impl GlobalState {
self.send_request::<lsp_types::request::CodeLensRefresh>((), |_, _| ());
}

// Refresh inlay hints if the client supports it.
if self.config.inlay_hints_refresh() {
self.send_request::<lsp_types::request::InlayHintRefreshRequest>((), |_, _| ());
}

if self.config.diagnostics_refresh() {
self.send_request::<lsp_types::request::WorkspaceDiagnosticRefresh>(
(),
Expand All @@ -518,6 +513,11 @@ impl GlobalState {
}
}

// Refresh inlay hints only when quiescent to avoid flickering during typing.
if became_quiescent && self.config.inlay_hints_refresh() {
self.send_request::<lsp_types::request::InlayHintRefreshRequest>((), |_, _| ());
}

let project_or_mem_docs_changed =
became_quiescent || state_changed || memdocs_added_or_removed;
if project_or_mem_docs_changed
Expand Down