gecko-dev/widget/tests/test_panel_mouse_coords.xhtml

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<?xml version="1.0"?>
<?xml-stylesheet type="text/css" href="chrome://global/skin"?>
<?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=835044
-->
<window title="Mozilla Bug 835044"
onload="startTest()"
xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
<script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"/>
<panel id="thepanel" level="parent"
onpopupshown="sendMouseEvent();"
onmousemove="checkCoords(event);"
style="width: 80px; height: 80px">
</panel>
<!-- test results are displayed in the html:body -->
<body xmlns="http://www.w3.org/1999/xhtml">
<a href="https://bugzilla.mozilla.org/show_bug.cgi?id=835044"
id="anchor"
target="_blank">Mozilla Bug 835044</a>
</body>
<!-- test code goes here -->
<script type="application/javascript">
<![CDATA[
SimpleTest.waitForExplicitFinish();
let panel = document.getElementById('thepanel');
let rect = null;
function startTest() {
// This first event is to ensure that the next event will have different
// coordinates to the previous mouse position, and so actually generates
// mouse events. The mouse is not moved off the window, as that might
// move focus to another application.
synthesizeNativeMouseEvent({
type: "mousemove",
screenX: window.mozInnerScreenX,
screenY: window.mozInnerScreenY,
elementOnWidget: window.documentElement,
});
panel.openPopup(document.getElementById("anchor"), "after_start");
}
function sendMouseEvent() {
rect = panel.getBoundingClientRect();
synthesizeNativeMouseEvent({
type: "mousemove",
target: panel,
offsetX: 10,
offsetY: 20,
});
}
function checkCoords(event) {
if (!rect) {
return;
}
isfuzzy(event.clientX, rect.left + 10, window.devicePixelRatio, "Motion x coordinate");
isfuzzy(event.clientY, rect.top + 20, window.devicePixelRatio, "Motion y coordinate");
info(`Event client: ${event.clientX}, ${event.clientY}, panel client: ${rect.left}, ${rect.top}`);
info(`Event screen: ${event.screenX}, ${event.screenY}, panel screen: ${panel.screenX}, ${panel.screenY}`);
info(`offset client: ${event.clientX - rect.left}, ${event.clientY - rect.top}`);
info(`offset screen: ${event.screenX - panel.screenX}, ${event.screenY - panel.screenY}`);
done();
}
function done() {
SimpleTest.finish();
}
]]>
</script>
</window>