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Fix hint positioning for pages with body { position: static }.

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This commit is contained in:
Doug Kearns
2009-10-01 17:17:04 +10:00
parent 2888409bf8
commit 2a67d973d6
1 changed files with 17 additions and 9 deletions
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24
common/content/hints.js
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@@ -273,11 +273,19 @@ function Hints() //{{{
return [leftpos, toppos];
}
function getBodyOffsets(doc)
// the containing block offsets with respect to the viewport
function getContainerOffsets(doc)
{
let bodyRect = (doc.body || doc.documentElement).getBoundingClientRect();
let body = (doc.body || doc.documentElement);
if (/^(absolute|fixed|relative)$/.test(util.computedStyle(body)["position"]))
{
let bodyRect = (doc.body || doc.documentElement).getClientRects()[0];
return [-bodyRect.left, -bodyRect.top];
}
else
return [doc.defaultView.scrollX, doc.defaultView.scrollY];
}
/**
* Generate the hints in a window.
@@ -294,7 +302,7 @@ function Hints() //{{{
let doc = win.document;
let height = win.innerHeight;
let width = win.innerWidth;
let [scrollX, scrollY] = getBodyOffsets(doc);
let [offsetX, offsetY] = getContainerOffsets(doc);
let baseNodeAbsolute = util.xmlToDom(<span highlight="Hint"/>, doc);
@@ -327,8 +335,8 @@ function Hints() //{{{
span = baseNodeAbsolute.cloneNode(true);
let leftpos = Math.max((rect.left + scrollX), scrollX);
let toppos = Math.max((rect.top + scrollY), scrollY);
let leftpos = Math.max((rect.left + offsetX), offsetX);
let toppos = Math.max((rect.top + offsetY), offsetY);
if (elem instanceof HTMLAreaElement)
[leftpos, toppos] = getAreaOffset(elem, leftpos, toppos);
@@ -400,7 +408,7 @@ function Hints() //{{{
for (let [,{ doc: doc, start: start, end: end }] in Iterator(docs))
{
let [scrollX, scrollY] = getBodyOffsets(doc);
let [offsetX, offsetY] = getContainerOffsets(doc);
inner:
for (let i in (util.interruptibleRange(start, end + 1, 500)))
@@ -429,8 +437,8 @@ function Hints() //{{{
imgspan = util.xmlToDom(<span highlight="Hint"/>, doc);
imgspan.setAttributeNS(NS.uri, "class", "HintImage");
imgspan.style.left = (rect.left + scrollX) + "px";
imgspan.style.top = (rect.top + scrollY) + "px";
imgspan.style.left = (rect.left + offsetX) + "px";
imgspan.style.top = (rect.top + offsetY) + "px";
imgspan.style.width = (rect.right - rect.left) + "px";
imgspan.style.height = (rect.bottom - rect.top) + "px";
hint[IMGSPAN] = imgspan;