Stopping ctl-click in IE

Dave

I have a situation where I want to react to a ctrl-click on a <span> and
it works in Netscape and Firefox browsers but in IE I have a problem.
In IE I do catch the ctrl-click but IE also renders the span in inverse
video, essentially selecting the item.

Here is a short sample that demonstrates the issue:

<html><head>
<script type="text/javascript">

function Clicked(evt){
evt.cancelBubbl e=true;
}

</script></head>
<body>
<SPAN onClick="Clicke d(event);">clic k me</SPAN>
</body></html>

I thought the cancelBubble would prevent the event from triggering the
selection from happening but I think that the ctrl-click selection
happens before I get control.

Is there a way to prevent the selection from being rendered on ctrl-
click while still allowing my javascript to react to the event?

browser versions used
ie 6.0.2800
firefox 0.9
netscape 7.1

Jul 23 '05 #1

Subscribe Reply

5918

RobB

Dave wrote:

I have a situation where I want to react to a ctrl-click on a <span> and it works in Netscape and Firefox browsers but in IE I have a problem. In IE I do catch the ctrl-click but IE also renders the span in inverse video, essentially selecting the item.

Here is a short sample that demonstrates the issue:

<html><head>
<script type="text/javascript">

function Clicked(evt){
evt.cancelBubbl e=true;
}

</script></head>
<body>
<SPAN onClick="Clicke d(event);">clic k me</SPAN>
</body></html>

I thought the cancelBubble would prevent the event from triggering the selection from happening but I think that the ctrl-click selection
happens before I get control.

Is there a way to prevent the selection from being rendered on ctrl-
click while still allowing my javascript to react to the event?

browser versions used
ie 6.0.2800
firefox 0.9
netscape 7.1

Strictly MSIE:

<span onselectstart=" return false;">...eeee eeesh!!</span>

Jul 23 '05 #2

Lasse Reichstein Nielsen

Dave <noemail@anyadd ressiown_invali d.com> writes:

<script type="text/javascript">

function Clicked(evt){
evt.cancelBubbl e=true;
}

</script></head>
<body>
<SPAN onClick="Clicke d(event);">clic k me</SPAN>
</body></html>

I thought the cancelBubble would prevent the event from triggering the
selection from happening but I think that the ctrl-click selection
happens before I get control.

Assigning true to "event.cancelBu bble" is the IE way of stopping further
event handlers in the page, not stopping the default behavior of the
click. To do that, assign false to "event.returnVa lue".

A general function that works for standards compliant browsers as well:
---
function clicked(evt){
if (evt.preventDef ault) {
evt.preventDefa ult(); // The W3C DOM way
} else {
evt.returnValue = false; // The IE way
}
}
---

/L
--
Lasse Reichstein Nielsen - lr*@hotpop.com
DHTML Death Colors: <URL:http://www.infimum.dk/HTML/rasterTriangleD OM.html>
'Faith without judgement merely degrades the spirit divine.'

Jul 23 '05 #3

Dave

In article <oe**********@h otpop.com>, lr*@hotpop.com says...

A general function that works for standards compliant browsers as well:
---
function clicked(evt){
if (evt.preventDef ault) {
evt.preventDefa ult(); // The W3C DOM way
} else {
evt.returnValue = false; // The IE way
}
}
---

Thanks for the response. It didn't work for me. I included the updated
example below.

I noticed one thing though. If I put an alert immediately before the
evt.returnValue = false; I see that by the time the alert box is
visible, "click me" is already highlighted. So I'm not sure how that
event property could have an effect on the outcome.
<html><head>
<script type="text/javascript">

function Clicked(evt){
if (evt.preventDef ault) {
evt.preventDefa ult(); // The W3C DOM way
} else {
evt.returnValue = false; // The IE way
}
evt.cancelBubbl e=true;
}

</script></head>
<body>
<SPAN onClick="Clicke d(event);">clic k me</SPAN>
</body></html>

Jul 23 '05 #4

Dave

In article <11************ *********@g14g2 000cwa.googlegr oups.com>,
fe******@hotmai l.com says...

Strictly MSIE:

<span onselectstart=" return false;">...eeee eeesh!!</span>

That's too bad it's a MSIE specific solution, but it did work.

Thanks!

Jul 23 '05 #5

Lasse Reichstein Nielsen wrote:

---
function clicked(evt){
if (evt.preventDef ault) {
evt.preventDefa ult(); // The W3C DOM way
} else {
Shouldn't that be else if(window.event )
{event.returnVa lue = false;};
evt.returnValue = false; // The IE way
}
}

DU
--
The site said to use Internet Explorer 5 or better... so I switched to
Mozilla 1.7.6 :)

Jul 23 '05 #6

Lasse Reichstein Nielsen

DU <dr*******@hotN OSPAMmail.com> writes:

Lasse Reichstein Nielsen wrote:
---
function clicked(evt){ if (evt.preventDef ault) {
evt.preventDefa ult(); // The W3C DOM way
} else {

Shouldn't that be else if(window.event )
{event.returnVa lue = false;};

In this scenario, the function was called from an HTML event
handler:
<blah onblah="clicked (event); .. ">
so "evt" does refer to the global event handler in IE too.

It should probably be:

<blah onblah="return clicked(event); ">
....
function clicked(evt) {
...
if (evt.preventDef ault) {
evt.preventDefa ult();
} else {
evt.returnValue = false; // can't hurt
return false;
}
}

.... to handler thr likes of Netscape 4.
/L
--
Lasse Reichstein Nielsen - lr*@hotpop.com
DHTML Death Colors: <URL:http://www.infimum.dk/HTML/rasterTriangleD OM.html>
'Faith without judgement merely degrades the spirit divine.'

Jul 23 '05 #7

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