fix(ui5-popover): fix arrow positioning

packages/main/cypress/specs/Popover.cy.tsx

@@ -3,6 +3,40 @@ import Toolbar from "../../src/Toolbar.js";
 import Popover from "../../src/Popover.js";
 import Button from "../../src/Button.js";
 
+describe("Rendering", () => {
+	it("tests arrow positioning", () => {
+		cy.mount(
+			<>
+				<div id="icon1" tabindex="0" style="width: 10px; height: 10px; background:red;"></div>
+				<Popover id="popup"
+						 opener="icon1"
+						 headerText="Newsletter subscription"
+						 placement="End"
+						 verticalAlign="Top">
+					<Button id="btnClosePopover">Close</Button>
+				</Popover>
+			</>
+		);
+
+		// act
+		cy.get("#popup")
+			.invoke("prop", "open", "true");
+
+		cy.get("#popup")
+			.ui5PopoverOpened();
+
+		cy.get("#popup")
+			.shadow()
+			.find(".ui5-popover-arrow")
+			.should("be.visible");
+
+		cy.get("#popup")
+			.shadow()
+			.find(".ui5-popover-arrow")
+			.should("have.css", "transform", "matrix(1, 0, 0, 1, 0, -42)");
+	});
+});
+
 describe("Popover opener", () => {
 	it("tests 'opener' set as string of abstract element's ID ", () => {
 		cy.mount(
@@ -110,7 +144,7 @@ describe("Popover opener", () => {
 		});
 
 		cy.get("#popover")
-			.should("be.visible");
+			.ui5PopoverOpened();
 
 		cy.get("@showOutsideViewport")
 			.should("have.been.calledOnce");
@@ -129,7 +163,7 @@ describe("Popover interaction", () => {
 				</>
 			);
 
-			cy.get("#pop").should("be.visible");
+			cy.get("#pop").ui5PopoverOpened();
 
 			// act
 			cy.get("body").realClick();
@@ -148,13 +182,13 @@ describe("Popover interaction", () => {
 				</>
 			);
 
-			cy.get("#pop").should("be.visible");
+			cy.get("#pop").ui5PopoverOpened();
 
 			// act
 			cy.get("#opener").realClick();
 
 			// assert
-			cy.get("#pop").should("be.visible");
+			cy.get("#pop").ui5PopoverOpened();
 		});
 
 		it("tests clicking on the opener if both the popover and the opener are located in a shadow root", () => {
@@ -197,13 +231,13 @@ describe("Popover interaction", () => {
 			);
 
 			// assert
-			cy.get("#openerShadowRooTest").shadow().find("[ui5-popover]").should("be.visible");
+			cy.get("#openerShadowRooTest").shadow().find("[ui5-popover]").ui5PopoverOpened();
 
 			// act
 			cy.get("#openerShadowRooTest").shadow().find("button").realClick();
 
 			// assert
-			cy.get("#openerShadowRooTest").shadow().find("[ui5-popover]").should("be.visible");
+			cy.get("#openerShadowRooTest").shadow().find("[ui5-popover]").ui5PopoverOpened();
 		});
 
 		it("tests clicking outside the popover when 'mousedown' event propagation is stopped", () => {
@@ -217,7 +251,7 @@ describe("Popover interaction", () => {
 				</>
 			);
 
-			cy.get("#pop").should("be.visible");
+			cy.get("#pop").ui5PopoverOpened();
 			cy.get("#btn").then(btn => {
 				btn.get(0).addEventListener("mousedown", event => {
 					event.stopPropagation();
@@ -334,7 +368,7 @@ describe("Events", () => {
 			.invoke("prop", "open", true);
 
 		cy.get("#popoverId")
-			.should("be.visible");
+			.ui5PopoverOpened();
 	});
 
 	it("before-close", () => {
@@ -356,7 +390,7 @@ describe("Events", () => {
 			.invoke("prop", "open", true);
 
 		cy.get("#popoverId")
-			.should("be.visible");
+			.ui5PopoverOpened();
 
 		const preventDefault = (e : Event) => {
 			e.preventDefault();
@@ -370,7 +404,7 @@ describe("Events", () => {
 			.invoke("prop", "open", false);
 
 		cy.get("#popoverId")
-			.should("be.visible");
+			.ui5PopoverOpened();
 
 		cy.get("#popoverId").then($popover => {
 			$popover.get(0).removeEventListener("before-close", preventDefault);

packages/main/src/Popover.ts

@@ -647,14 +647,14 @@ class Popover extends Popup {
 
 		// Restricts the arrow's translate value along each dimension,
 		// so that the arrow does not clip over the popover's rounded borders.
-		const safeRangeForArrowY = popoverSize.height / 2 - borderRadius - ARROW_SIZE / 2;
+		const safeRangeForArrowY = popoverSize.height / 2 - borderRadius - ARROW_SIZE / 2 - 2;
 		arrowTranslateY = clamp(
 			arrowTranslateY,
 			-safeRangeForArrowY,
 			safeRangeForArrowY,
 		);
 
-		const safeRangeForArrowX = popoverSize.width / 2 - borderRadius - ARROW_SIZE / 2;
+		const safeRangeForArrowX = popoverSize.width / 2 - borderRadius - ARROW_SIZE / 2 - 2;
 		arrowTranslateX = clamp(
 			arrowTranslateX,
 			-safeRangeForArrowX,

packages/main/test/pages/Popover.html

@@ -99,6 +99,26 @@
 	<br>
 	<br>
 
+	<ui5-icon id="icon1" name="home" mode="Interactive"></ui5-icon>
+
+	<ui5-popover id="popoverAlignedToIcon"
+				 opener="icon1"
+				 header-text="Newsletter subscription"
+				 placement="End"
+				 vertical-align="Top">
+		<div class="popover-content">
+			<ui5-label for="emailInput" required show-colon>Email</ui5-label>
+			<ui5-input id="emailInput" style="min-width: 150px;" placeholder="Enter Email"></ui5-input>
+			<ui5-label>Note: If you open the page in mobile, a dialog would be displayed.</ui5-label>
+		</div>
+		<div slot="footer" class="popover-footer">
+			<ui5-button id="closePopoverButton" design="Emphasized">Subscribe</ui5-button>
+		</div>
+	</ui5-popover>
+
+	<br>
+	<br>
+
 	<ui5-select>
 		<ui5-option>Hello</ui5-option>
 		<ui5-option>World</ui5-option>
@@ -941,6 +961,10 @@ <h3>Popover in ShadowRoot, Opener set as ID in window.document</h3>
 			respPopover4.open = !respPopover4.open;
 		});
 
+		icon1.addEventListener("click", () => {
+			popoverAlignedToIcon.open = true;
+		});
+
 		class OpenerTestShadowRootId extends HTMLElement {
 			constructor() {
 				super();