WowAce

Meta Data:

I am using the latest version of Grid2 for WoW 60200, with my language being the English localization

Important:

I am willing to attempt programming these features myself, but I have 0 experience with addons nor LUA so I would strongly benefit from initial guidance. What LUA files do I need to add, and which LUA files need editing? What are the important variables?

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Inquiry/Suggestion 1):

I am a healer (holy priest) and I like to keep my AddOn UI minimal. A feature I would like to see in Grid2 is the ability to add status indicators to the Background of the grid frame, such that you can change the background color and opacity of each designated status/buff in handles.

This would make it much easier to keep track of buffs like Surge of Light, Divine Insight and 2 Stacks of Serendipity. For instance you could set the background color priorities as:

1) Circle of Healing Coldown (White)
2) Divine Insight (Gold)
3) Prayer of mending Cooldown (Green)
4) 2 Stack Serendipity (Deep Blue)
5) Surge of Light (Red)

Since you're looking at grid a lot while healing, these notifications would add compact UI redundancy and be very hard to miss. The borders already around each player frame would make this option less obstructive.

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Inquiry/Suggestion 2): (This might best be done as another AddOn since it would be more beneficial to affect the entire UI, not just Grid2)

For spells that require ground targeting (like Holy Word: Sanctuary and Mass Dispell), it would be nice if the Grid2 UI temporarily hid itself until you cast the spell. It would be Really cool if it also temporarily enabled health bars / debuff icons above the player characters (where nameplates would be) during the temporary period too.

This would enable superior targeting and an unobstructed view of the battlefield.

WeakAuras2 can be used to implement these indicators.