[x] Fix a bug in the SettingDialog
The colorField and fontField of the original SettingDialog would add repeated items each time when we click on the Appearance menu, which was fixed in this pull request.
[x] Resize the GUI, and change the font style and size of our GUI
Main Modification
colorField
andfontField
of the originalSettingDialog
would add repeated items each time when we click on theAppearance
menu, which was fixed in this pull request.New features