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Bug 572649 - Attempting to scroll a textarea with a horizontal scrollbar using the mouse jumps to its bottom right (focusing a textarea with the mouse scrolls the selection into view); r=roc a=blocking-betaN+ 

--HG--
rename : layout/forms/test/test_bug353539.html => layout/forms/test/test_bug572649.html
This commit is contained in:
Ehsan Akhgari 2010-09-20 19:30:07 -04:00
Родитель 9730e0d359
Коммит caeb4fbd2d
3 изменённых файлов: 76 добавлений и 4 удалений
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19
layout/forms/nsTextControlFrame.cpp
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@ -703,10 +703,21 @@ void nsTextControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
nsISelection *caretSelection = caret->GetCaretDOMSelection();
const PRBool isFocusedRightNow = ourSel == caretSelection;
if (!isFocusedRightNow) {
nsRefPtr<ScrollOnFocusEvent> event = new ScrollOnFocusEvent(this);
nsresult rv = NS_DispatchToCurrentThread(event);
if (NS_SUCCEEDED(rv)) {
mScrollEvent = event;
// Don't scroll the current selection if we've been focused using the mouse.
PRUint32 lastFocusMethod = 0;
nsIDocument* doc = GetContent()->GetCurrentDoc();
if (doc) {
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
if (fm) {
fm->GetLastFocusMethod(doc->GetWindow(), &lastFocusMethod);
}
}
if (!(lastFocusMethod & nsIFocusManager::FLAG_BYMOUSE)) {
nsRefPtr<ScrollOnFocusEvent> event = new ScrollOnFocusEvent(this);
nsresult rv = NS_DispatchToCurrentThread(event);
if (NS_SUCCEEDED(rv)) {
mScrollEvent = event;
}
}
}

1
layout/forms/test/Makefile.in
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@ -73,6 +73,7 @@ _TEST_FILES = test_bug231389.html \
test_bug377624.html \
test_bug571352.html \
test_bug572406.html \
test_bug572649.html \
test_bug36619.html \
$(NULL)

60
layout/forms/test/test_bug572649.html Normal file
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@ -0,0 +1,60 @@
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=572649
-->
<head>
<title>Test for Bug 572649</title>
<script type="application/javascript" src="/MochiKit/packed.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=572649">Mozilla Bug 572649</a>
<p id="display">
<textarea id="area" rows="5">
Here
is
some
very
long
text
that
we're
using
for
testing
purposes
</textarea>
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 572649 **/
SimpleTest.waitForExplicitFinish();
addLoadEvent(function() {
var area = document.getElementById("area");
is(area.scrollTop, 0, "The textarea should not be scrolled initially");
area.addEventListener("focus", function() {
area.removeEventListener("focus", arguments.callee, false);
setTimeout(function() {
is(area.scrollTop, 0, "The textarea's insertion point should not be scrolled into view");
SimpleTest.finish();
}, 0);
}, false);
setTimeout(function() {
var rect = area.getBoundingClientRect();
synthesizeMouse(area, rect.width - 5, 5, {});
}, 0);
});
</script>
</pre>
</body>
</html>