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Add support for setting terminal cursor position #918
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I don't think this is something we'll support, sorry. For the tea renderer to work, it needs to reset the cursor position before rendering. |
Contextual note here that we should ultimately support this for IME (see #874) — however we'll need to reexamine the renderer to get there and I don't see that happening in the short term. |
Thanks for the feedback. I have moved on to tview/tcell for my application, although I still love bubbletea and would use it if I could control the cursor. But I understand that this is not a priority for most users. Feel free to close this issue or leave it open as you see fit. |
Is your feature request related to a problem? Please describe.
I am unable to set the terminal cursor position reliably (the real one, not the one rendered by the TextArea bubble). I have tried using direct ANSI escape codes as well as instantiating a separate
termenv
Output
structure. In both cases the cursor can be moved, but as soon as I render anything with my View method the cursor pops back down to the bottom left corner of the terminal.Note that I am able to make the cursor visible by returning a
tea.ShowCursor
message from myUpdate
method.Describe the solution you'd like
I would like to see a new command generator function added to the API, similar to the
SetWindowTitle
function. PerhapsUsing this function should set the position of the cursor and it should stay in that position until the method is called again.
Describe alternatives you've considered
I know that the
TextArea
bubble uses a rendered cursor by setting a background color on the character at the cursor position. This works for a block cursor, and an underscore cursor could work similarly, but I'm not aware of a way to render a bar cursor (vertical line to the left of the character under the cursor) with this approach.Additional context
Add any other context or screenshots about the feature request here.
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