Left/Right Arrow keys in text input do not work if element is bound to XBL bindings




Layout: Form Controls
14 years ago
9 years ago


(Reporter: alex, Unassigned)


Windows 2000

Firefox Tracking Flags

(Not tracked)



(1 attachment)



14 years ago
User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.2) Gecko/20040803
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.2) Gecko/20040803

For the HTML input element of type "text", the left/right arrow keys do not work
(i.e. do not move the cursor) if the element is bound to a XBL binding via CSS.

If the binding is removed, it works without problem.

Reproducible: Always
Steps to Reproduce:
1. Develop a CSS that defines a new style, say 'integer' with -moz-binding:
2. Develop the file bindings.xml with binding id=integer. Add some handlers in
the binding. Actually what handlers you add does not affect the reproduction of
the problem
3. Develop a HTML page that links to the CSS and uses a input/text element with
4. Try to type something in the text box and you can try to use the left/right
arrow keys. The cursor simply does not move.
5. Remove the class attribute, then try again and left/right arrow keys should
work now

Actual Results:  
The cursor simply does not move in step 4.
The cursor moves accordingly in step 5.

Expected Results:  
The cursor should move in both step 4 and 5

Comment 1

14 years ago
Created attachment 156495 [details]
Sample CSS/HTML/XML to reproduce the problem

Comment 2

14 years ago
The problem is that in the resource://gre/res/forms.css is a rule 

input {

which add keyboard functionality to the input field. Element can have only one
attached binding. So when you are adding your bindings.xml#integer it overwrites
the general binding before.

Binding can be extended, so put in your bindings.xml declaration of the
extending - and all will go well:
  <binding id="integer"

AHA>Please, close this. 
Yes, but is it desirable to be using CSS as the mechanism for hooking up the key
events here?
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