I have had a problem with capturing keyboard events in HTMLTextBox. I want to execute some code when the Enter key is pressed in a textbox, but while the keyboard event handling in HTMLTextBox works quite well it doesn't allow me to find out which key was pressed.
The getInnerHTML function in htmltextbox.js contains: this._inlineEvents+=' onkeypress="return htc._e(\'keypress\',this);" ' +' onkeyup="return htc._e(\'keyup\',this);" ' +' onkeydown="return htc._e(\'keyup\',this);" '
The event handlers are invoked with two arguments: a String that give the kind of event and a reference to the TextBox object. The event handler in my own code gets the reference to the object but this doesn't let me find out which key was pressed.
I have worked around this problem in my own copy of DynAPI by adding the "event" object to the arguments passed to the event handler:
this._inlineEvents+=' onkeypress="return htc._e(\'keypress\',this,event);" '
+' onkeyup="return htc._e(\'keyup\',this,event);" '
+' onkeydown="return htc._e(\'keyup\',this,event);" '
...
The _e function also needs to change from:
p._e = function(evt,elm){
var rt = this._oldHCTBEvt(evt,elm);
to
p._e = function(evt,elm,arg){
var rt = this._oldHCTBEvt(evt,elm,arg);This allows my own event handler two receive two parameters: the object that raised the event and the event itself.
May I suggest this change be made to the library? I'm hoping it won't cause any cross-browser portability problems.
On a slightly different matter, while I was poking about in htmltextbox.js, I noticed that line 72 contained:
if(this.getElm()) this.elm.readonly=(b)? 'readyonly':'';
The 'readyonly' looks like a typo which should probably be fixed.
regards Andrew Gillett
ps. I'm using the latest version for DynAPI3 from CVS.
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