Hi Fabian,
please consider delivering the keyup and keydown events even if they do
not reliable get the keycode. For this cases the keycode can be set to
null or can somehow be marked as not usable.
I think just not sending the event (which realy happened) is not the
right way.
Maybe there has to be distinguished between the key events by having
different classes for the different event types:
qx.event.type.KeyPressedEvent
qx.event.type.KeyUpEvent
qx.event.type.KeyDownEvent
where KeyUp and KeyDown event instances do not have the keyCode property.
Fabian Jakobs schrieb:
Dietrich Streifert schrieb:
Hello list, hi Fabian,
after the changes to the key event handling I run into trouble
catching keyup and keydown events of accented characters keys like
german umlauts and keys like the plus and minus sign and the sharp sign.
I've attached a testcase which should be run from the
frontend/application/sample/source/html/test directory.
The testcase creates a simple text field which has three
eventlisteners attached: "keyup", "keydown" and "keypress".
If e.g. the "a" key is pressed all three events are fired (as expected).
If (on a german keyboard) th "a umlaut" key is pressed just the
"keypress" event is fired. This is also true for other characters like
plus, minus and sharp sign.
Shouldn't keyup and keydown be fired for every key which is pressed?
This is true for FireFox 2.0 under WinXPSP2.
It works as expexted in IE 7
The Problem is that composed characters like ä,ü, ... cannot be detected
reliably in keydown and keyup events. In general any character that
needs a compose key in any keyboard layout cannot be detected reliably.
The keycodes generated for such characters depends on the keyboard
layout. Therefore we decided to have consistent support for those keys
that are reliable.
Do you realy depend on detecting those keys in keyup/keydown events or
can you convert it to use keypress instead?
Best Fabian
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Mit freundlichen Grüßen
Dietrich Streifert
Visionet GmbH
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