[mythtv-users] How to change the mythtv source code so as to let choice item become checkbox type?

[Xi Jiarong]

hello
I want to change mythtv itme choice into checkbox type, for example:
I add such choice as Political news, Entertainment news, Sports news;
when user see those choice items, he/she can choose one or two or three of
them as checkbox type, and after then just those the user has chosed would
be shown on screen, and the user also can return to choose once more.
How to change the current type of choice item into checkbox type?
I must modify the source code? if so, and where I need to modify for the
souce code?
Many thanks for you!
Best wishes for everybody!
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