"Close" button in the About dialog doesn't work

[danimesq]

Describe the bug

Can't close the About dialog via the "Close" button.

To Reproduce

1. Click the sandwich button
2. Click "About Cubic"
3. Try to click "Close" in the bottom-right button: it won't close; I'll have to click the "X" of your DE/Window Manager

OS Information (please complete the following information):

• OS/Distro Name: Ubuntu
• OS Version: 23.10
• DE: Cinnamon

Cubic Information (please complete the following information):

• Cubic Version: 2023.09.84

[PJ-Singh-001]

Thanks for reporting this.
Please note, upgrade to the latest version of Cubic, version 2023.12-85.

Nevertheless, the "Close" button in the About Dialog in Cinnamon is a known issue.
This has to do with GTK3 which does not show the "Close" button in About Dialogs.
Other DEs still show this button, but it does not work.

I will add this to my backlog.

[PJ-Singh-001]

Update:

I looked at this again. It seems Cinnamon is adding the close button to the GtkButtonBox.

The GTK3 GtkButtonBox container does not have any buttons by default. Therefore, there is no button widget, so I can't add a signal to capture a button press event.