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Merge pull request #1912 from ether/hide-chat-when-caret-behind 

Hide Chat Icon when the Caret is on the same line
pull/1826/merge
John McLear 2014-11-15 16:13:53 +00:00
parent 77c805a2bf 716e929e64
commit fc79c8a298
1 changed files with 20 additions and 0 deletions
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20
src/static/js/ace2_inner.js
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@ -3607,6 +3607,26 @@ function Ace2Inner(){
return;
}
// Is caret potentially hidden by the chat button?
var myselection = document.getSelection(); // get the current caret selection
var caretOffsetTop = myselection.focusNode.parentNode.offsetTop | myselection.focusNode.offsetTop; // get the carets selection offset in px IE 214
if(myselection.focusNode.wholeText){ // Is there any content? If not lineHeight will report wrong..
var lineHeight = myselection.focusNode.parentNode.offsetHeight; // line height of populated links
}else{
var lineHeight = myselection.focusNode.offsetHeight; // line height of blank lines
}
var heightOfChatIcon = parent.parent.$('#chaticon').height(); // height of the chat icon button
lineHeight = (lineHeight *2) + heightOfChatIcon;
var viewport = getViewPortTopBottom();
var viewportHeight = viewport.bottom - viewport.top - lineHeight;
var relCaretOffsetTop = caretOffsetTop - viewport.top; // relative Caret Offset Top to viewport
if (viewportHeight < relCaretOffsetTop){
parent.parent.$("#chaticon").css("opacity",".3"); // make chaticon opacity low when user types near it
}else{
parent.parent.$("#chaticon").css("opacity","1"); // make chaticon opacity back to full (so fully visible)
}
//dmesg("keyevent type: "+type+", which: "+which);
// Don't take action based on modifier keys going up and down.
// Modifier keys do not generate "keypress" events.