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[broadway] Fix up frame size calculation

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Turns out that offsetTop/Left doesn't contain the border, so we need
to manually add that in.
This commit is contained in:
Alexander Larsson 2011-04-11 10:42:03 +02:00
parent ebda721f4e
commit 7a197e5b65
1 changed files with 31 additions and 2 deletions
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33
gdk/broadway/broadway.js
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@ -322,15 +322,44 @@ function getTransientToplevel(surface)
return null;
}
function getStyle(el, styleProp)
{
if (el.currentStyle) {
return el.currentStyle[styleProp];
} else if (window.getComputedStyle) {
var win = el.ownerDocument.defaultView;
return win.getComputedStyle(el, null).getPropertyValue(styleProp);
}
return undefined;
}
function parseOffset(value)
{
var px = value.indexOf("px");
if (px > 0)
return parseInt(value.slice(0,px));
return 0;
}
function getFrameOffset(surface) {
var x = 1;
var y = 1;
var x = 0;
var y = 0;
var el = surface.canvas;
while (el != null && el != surface.frame) {
x += el.offsetLeft;
y += el.offsetTop;
/* For some reason the border is not includes in the offsets.. */
x += parseOffset(getStyle(el, "border-left-width"));
y += parseOffset(getStyle(el, "border-top-width"));
el = el.offsetParent;
}
/* Also include frame border as per above */
x += parseOffset(getStyle(el, "border-left-width"));
y += parseOffset(getStyle(el, "border-top-width"));
return {x: x, y: y};
}