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add: Exec, program.ReleaseTerminal and RestoreTerminal to re-use input and terminal #237

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merged 22 commits into from
Apr 12, 2022
Merged

add: Exec, program.ReleaseTerminal and RestoreTerminal to re-use input and terminal #237

merged 22 commits into from
Apr 12, 2022

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muesli
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@muesli muesli commented Feb 21, 2022 •
edited by meowgorithm
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Program.ReleaseTerminal makes Bubble Tea release the input / terminal, so users can spawn a sub-command. Program.RestoreTerminal sets the input reader up again and triggers a repaint.

Exec is provided as a Cmd interface, and should be the primary method for running a blocking exec.Command from within Bubble Tea.

Fixes #171.

@muesli muesli added the enhancement New feature or request label Feb 21, 2022
@muesli muesli marked this pull request as draft February 21, 2022 06:17
@muesli muesli mentioned this pull request Feb 21, 2022
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@muesli muesli force-pushed the exec-cancelreader branch 4 times, most recently from 33be89c to 5cd97b7 Compare February 25, 2022 08:10
@muesli muesli changed the title add: program.CancelInput & RestoreInput to temporarily pause consuming inputs add: program.ReleaseTerminal and RestoreTerminal to re-use input & terminal Feb 25, 2022
@muesli muesli marked this pull request as ready for review February 25, 2022 08:28
@meowgorithm meowgorithm force-pushed the exec-cancelreader branch 3 times, most recently from 3667b41 to 0a31836 Compare March 1, 2022 21:02
@jefferai
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Played around with this for a few minutes this morning and found an issue. I haven't had time to dig into this yet but figured I'd raise it here in case this is going to be merged imminently -- I saw some activity on it yesterday.

I'm running a program that is normally terminated by Ctrl+C but accepts both SIGINT and SIGTERM. If I tell it to terminate by sending it a kill then the program terminates and I'm back into my TUI. However, if I terminate it via Ctrl+C in the terminal where the program was spawned, I do not go back into my TUI...instead I'm simply left at the CLI.

I followed this only enough to know that it's not hitting the update function's handling of a ctrl+c KeyMsg.

@meowgorithm
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@jefferai Wow, thank you. We were actually planning in merging this. Will look into this, I have some theories as to what’s happening.

@meowgorithm meowgorithm mentioned this pull request Apr 1, 2022
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@caarlos0 caarlos0 mentioned this pull request Apr 5, 2022
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muesli and others added 10 commits April 5, 2022 20:46
@muesli
add: program.ReleaseTerminal and RestoreTerminal to re-use input & te…
8f4002e 
…rminal

ReleaseTerminal makes BubbleTea release the input / terminal, so users
can spawn a sub-command. RestoreTerminal sets the input reader up again
and triggers a repaint.
@meowgorithm @muesli
chore(examples): add altscreen toggling to exec demo
aa2acb9
@meowgorithm @muesli
chore: put low-level altscreen stuff alongside other screen funcs
0e5c9d3
@meowgorithm @muesli
docs: edit GoDocs for ReleaseTerminal and RestoreTerminal
a7a1d01
@meowgorithm @muesli
feat(renderer): add internal Msg renderMsg to immediately repaint
e78a869
@meowgorithm @muesli
fix: repaint instantly on RestoreTerminal
91f7d34
@meowgorithm @muesli
fix: restore the altscreen state when restoring the terminal
9f21889
@meowgorithm @muesli
feat: implement Cmd-based API for blocking *exec.Cmds
c483da8
@meowgorithm @muesli
feat: allow Exec to return custom messages
2473b3e
@meowgorithm @muesli
feat: allow Exec to be run without a callback
2884231
@meowgorithm meowgorithm changed the title add: program.ReleaseTerminal and RestoreTerminal to re-use input & terminal add: Exec, program.ReleaseTerminal and RestoreTerminal to re-use input and terminal Apr 11, 2022
@meowgorithm meowgorithm merged commit 3795c03 into master Apr 12, 2022
@meowgorithm meowgorithm deleted the exec-cancelreader branch April 12, 2022 14:23
@blaggacao blaggacao mentioned this pull request Apr 19, 2022
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@blaggacao
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blaggacao commented Apr 20, 2022 •
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@muesli

Scenario:

  • As a task runner TUI, I want to run a program (might be interactive or not) and

  • show it's log outputs to the user,

  • as if it was run natrually.

  • Upon termintation 0 or !=0, I want to give the user the possibilitiy to keep staring at the logs,

  • but upon pressing a specified button, e.g. q or esc

  • return to the teaTUI

What do you think? Does it make sense? Is that something that you could easily wrap onto this PR (if blunt asking is allowed 😄)?

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@caarlos0 caarlos0 caarlos0 approved these changes

@meowgorithm meowgorithm meowgorithm approved these changes

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@muesli @jefferai @meowgorithm @blaggacao @caarlos0