On Fri, 5 Jul 2024 11:12:50 GMT, Abhishek Kumar <abhis...@openjdk.org> wrote:
>> In GTK LAF, the menu mnemonics are always displayed which is different from >> the native behavior. In native application **(tested with gedit for normal >> buttons and tested with libreoffice for menu**), the menu mnemonics toggle >> on press of `ALT` key. Menu mnemonics are hidden initially and then toggles >> between show/hide on `ALT` press. >> Proposed fix is to handle the `ALT` key press for GTK LAF and mimic the >> native behavior. Fix is similar to the `ALT` key processing in Windows LAF. >> Automated test case is added to verify the fix and tested in Ubuntu and >> Oracle linux. >> >> CI testing is green and link attached in JBS. > > Abhishek Kumar has updated the pull request incrementally with one additional > commit since the last revision: > > Javadoc style comment, unused import removed > The diff modifies the generic `SynthGraphicsUtils.paintText` so that no > mnemonic is passed to `SwingUtilities2.drawStringUnderlineCharAt` if > `isMnemonicHidden` returns `true`. > > This approach has _a performance impact_ on all UI text painting. The > condition can be moved into `GTKGraphicsUtils` so that only GTK L&F will call > `isMnemonicHidden`. Updated the code to handle the mnemonic for buttons as well as labels. Mnemonic hide condition check moved to `GTKGraphicsUtils` to avoid the `performance issue`. ------------- PR Comment: https://git.openjdk.org/jdk/pull/18992#issuecomment-2213485660