fix #32993

src/vs/workbench/parts/preferences/common/keybindingsEditorModel.ts

@@ -385,7 +385,7 @@ class KeybindingItemMatches {
 			return false;
 		}
 		const ariaLabel = keybinding.keyAriaLabel;
-		if (ariaLabel.length === 1 || word.length === 1) {
+		if (this.completeMatch || ariaLabel.length === 1 || word.length === 1) {
 			if (strings.compareIgnoreCase(ariaLabel, word) === 0) {
 				return true;
 			}

src/vs/workbench/parts/preferences/test/common/keybindingsEditorModel.test.ts

@@ -520,7 +520,7 @@ suite('Keybindings Editor Model test', () => {
 		prepareKeybindingService(expected, aResolvedKeybindingItem({ command, firstPart: { keyCode: KeyCode.KEY_C, modifiers: { ctrlKey: true } }, when: 'whenContext1 && whenContext2', isDefault: false }));
 
 		return testObject.resolve().then(() => {
-			const actual = testObject.fetch('"shift meta esc ctrl c"').filter(element => element.keybindingItem.command === command);
+			const actual = testObject.fetch('"shift meta escape ctrl c"').filter(element => element.keybindingItem.command === command);
 			assert.equal(1, actual.length);
 			assert.deepEqual(actual[0].keybindingMatches.firstPart, { shiftKey: true, metaKey: true, keyCode: true });
 			assert.deepEqual(actual[0].keybindingMatches.chordPart, { ctrlKey: true, keyCode: true });
@@ -558,13 +558,24 @@ suite('Keybindings Editor Model test', () => {
 		prepareKeybindingService(expected, aResolvedKeybindingItem({ command, firstPart: { keyCode: KeyCode.KEY_C, modifiers: { ctrlKey: true } }, when: 'whenContext1 && whenContext2', isDefault: false }));
 
 		return testObject.resolve().then(() => {
-			const actual = testObject.fetch('"shift+meta+esc ctrl+c"').filter(element => element.keybindingItem.command === command);
+			const actual = testObject.fetch('"shift+meta+escape ctrl+c"').filter(element => element.keybindingItem.command === command);
 			assert.equal(1, actual.length);
 			assert.deepEqual(actual[0].keybindingMatches.firstPart, { shiftKey: true, metaKey: true, keyCode: true });
 			assert.deepEqual(actual[0].keybindingMatches.chordPart, { keyCode: true, ctrlKey: true });
 		});
 	});
 
+	test('filter exact matches with space #32993', () => {
+		const command = 'a' + uuid.generateUuid();
+		const expected = aResolvedKeybindingItem({ command, firstPart: { keyCode: KeyCode.Space, modifiers: { ctrlKey: true } }, when: 'whenContext1 && whenContext2', isDefault: false });
+		prepareKeybindingService(expected, aResolvedKeybindingItem({ command, firstPart: { keyCode: KeyCode.Backspace, modifiers: { ctrlKey: true } }, when: 'whenContext1 && whenContext2', isDefault: false }));
+
+		return testObject.resolve().then(() => {
+			const actual = testObject.fetch('"ctrl+space"').filter(element => element.keybindingItem.command === command);
+			assert.equal(1, actual.length);
+		});
+	});
+
 	function prepareKeybindingService(...keybindingItems: ResolvedKeybindingItem[]): ResolvedKeybindingItem[] {
 		instantiationService.stub(IKeybindingService, 'getKeybindings', () => keybindingItems);
 		instantiationService.stub(IKeybindingService, 'getDefaultKeybindings', () => keybindingItems);