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Query less hints on file open

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This commit is contained in:
Kirill Bulatov 2019-08-05 00:23:58 +03:00
parent 4912cc35af
commit 2c02aebeb5
1 changed files with 34 additions and 18 deletions
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40
editors/code/src/commands/inlay_hints.ts
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@ -21,32 +21,36 @@ const typeHintDecorationType = vscode.window.createTextEditorDecorationType({
export class HintsUpdater { export class HintsUpdater {
private displayHints = true; private displayHints = true;
private drawnDecorations = new Map<string, vscode.DecorationOptions[]>();
public async loadHints( public async loadHints(editor?: vscode.TextEditor): Promise<void> {
editor: vscode.TextEditor | undefined if (this.displayHints) {
): Promise<void> { const documentUri = this.getEditorDocumentUri(editor);
if ( if (documentUri !== null) {
this.displayHints && const latestDecorations = this.drawnDecorations.get(documentUri);
editor !== undefined && if (latestDecorations === undefined) {
this.isRustDocument(editor.document)
) {
await this.updateDecorationsFromServer( await this.updateDecorationsFromServer(
editor.document.uri.toString(), documentUri,
editor editor!
); );
} else {
await editor!.setDecorations(typeHintDecorationType, latestDecorations);
}
}
} }
} }
public async toggleHintsDisplay(displayHints: boolean): Promise<void> { public async toggleHintsDisplay(displayHints: boolean): Promise<void> {
if (this.displayHints !== displayHints) { if (this.displayHints !== displayHints) {
this.displayHints = displayHints; this.displayHints = displayHints;
this.drawnDecorations.clear();
if (displayHints) { if (displayHints) {
return this.updateHints(); return this.updateHints();
} else { } else {
const editor = vscode.window.activeTextEditor; const editor = vscode.window.activeTextEditor;
if (editor != null) { if (this.getEditorDocumentUri(editor) !== null) {
return editor.setDecorations(typeHintDecorationType, []); return editor!.setDecorations(typeHintDecorationType, []);
} }
} }
} }
@ -85,12 +89,17 @@ export class HintsUpdater {
range: hint.range, range: hint.range,
renderOptions: { after: { contentText: `: ${hint.label}` } } renderOptions: { after: { contentText: `: ${hint.label}` } }
})); }));
this.drawnDecorations.set(documentUri, newDecorations);
if (this.getEditorDocumentUri(vscode.window.activeTextEditor) === documentUri) {
return editor.setDecorations( return editor.setDecorations(
typeHintDecorationType, typeHintDecorationType,
newDecorations newDecorations
); );
} }
} }
}
private async queryHints(documentUri: string): Promise<InlayHint[] | null> { private async queryHints(documentUri: string): Promise<InlayHint[] | null> {
const request: InlayHintsParams = { const request: InlayHintsParams = {
@ -106,4 +115,11 @@ export class HintsUpdater {
) )
); );
} }
private getEditorDocumentUri(editor?: vscode.TextEditor): string | null {
if (editor && this.isRustDocument(editor.document)) {
return editor.document.uri.toString();
}
return null;
}
} }