On Tue, 2 Aug 2022 10:22:48 GMT, Prasanta Sadhukhan <[email protected]> 
wrote:

> It is seen that using VK_F4 in JButton's setMnemonic(int i), causes the 
> letter 'S' in the JButton to be underlined if JButton's text has 'S' in its 
> string.
> This is because 
> [**VK_F4**](https://github.com/openjdk/jdk/blob/master/src/java.desktop/share/classes/java/awt/event/KeyEvent.java#L506)
>  keycode is 0x73 (115 in decimal) which happens to be value of lowercase 
> [**'s'** ](https://www.cs.cmu.edu/~pattis/15-1XX/common/handouts/ascii.html) 
> so as per the logic implemented in 
> SwingUtilities.findDisplayedMnemonicIndex(), the first index of the character 
> (either lowecasr or uppercase) is returned as a mnemonic, which gets 
> underlined.
> 
> Fix is made to ignore Action Keys from VK_F1->VK_F11 as displayed mnemonic 
> which corresponds to lowercase p->z

This pull request has now been integrated.

Changeset: d6961045
Author:    Prasanta Sadhukhan <[email protected]>
URL:       
https://git.openjdk.org/jdk/commit/d6961045353897967bb734740225bd1cddf158e5
Stats:     129 lines in 2 files changed: 129 ins; 0 del; 0 mod

4850101: Setting mnemonic to VK_F4 underlines the letter S in a button.

Reviewed-by: prr

-------------

PR: https://git.openjdk.org/jdk/pull/9712

Reply via email to