Flex :: Custom TextInput Component Loses Focus But Still Contains Cursor?

Oct 29, 2011

I have a custom TextInput that listens for the FocusEvent.FOCUS_IN and FocusEvent.FOCUS_OUT events:

textDisplay.addEventListener(FocusEvent.FOCUS_IN, onFocusInHandler);
textDisplay.addEventListener(FocusEvent.FOCUS_OUT, onFocusOutHandler);

My onFocusInHandler function basically removes a "promptview" that tells the user to type in a value, with the onFocusOutHandler doing the opposite.

For example, if the TextInput text was backspaced to a blank value and the user clicks out of the TextInput box, it would show a "Please enter a value" light-gray prompt in the TextInput.

This works fine until the user clicks our custom "Clear" button. The clear button sets the text to "", and I can tell the FocusEvent.FOCUS_OUT is received because the prompt text is set to visible (its not being set anywhere else). The problem is, the cursor remains in the box as if it still has focus, so if the user immediately starts typing, both the prompt text "Please enter a value" and the user-entered text appears over the gray text, which looks pretty ugly and unreadable.

Why does the TextInput receive the FocusEvent.FOCUS_OUT event if it's not actually losing focus?

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