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Add type definition to page to it renders correctly. #246

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Add type definition to page to it renders correctly. #246

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1d23e6d
Add type definition to page to it renders correctly.
stumbo Oct 19, 2024
d72d64f
Propose need working on interrupts
stumbo Oct 19, 2024
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21 changes: 9 additions & 12 deletions content/en/software/using-medley/keystrokes.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@
title: Keystrokes, Mouse menus and Gestures
url: /software/using-medley/keystrokes/
weight: 40
type: docs
aliases:
- /doc/info/Keystrokes.html
---
Expand All @@ -11,7 +12,7 @@ The handling of keyboard and mouse clicks and gestures is different and varied w

We'd like to improve keyboard handling but haven't yet found a path.

## At an "exec" (i.e., the REPL).
## At an "exec" (i.e., the REPL).

|character |action |
|----------|--------------------------------|
Expand All @@ -25,15 +26,11 @@ We'd like to improve keyboard handling but haven't yet found a path.

## Interrupt characters

These are enabled per-process. Medley maintains, for each process, a "termtable" which enables different kinds of interrupts. In general, the process (sometimes known as the "TTY" process or the process that "has the keyboard".

|character|action |
|---------|----------------------------------------- |
|ctrl-B |stop the process and enter a break window |
|ctrl-D | reset the process, unwind the stack to the top level |
|ctrl-E | unwind the stack as if an error occured without break|
|ctrl-P | interrupt printing and reset the PRINTLEVEL |



These are enabled per-process. Medley maintains, for each process, a "termtable" which enables different kinds of interrupts. In general, the process (sometimes known as the "TTY" process or the process that "has the keyboard".
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@masinter Can you take a look at this line and fix the last sentence?  It is incomplete.  Or, is it an artifact that should be deleted?

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The sentence is incomplete but I'm not sure it was ever right. I wonder if there's a better explanation in the IRM? The discussion about the relationship of interrupt characters, the termtable, and the proccess-with-tty seems at best incomplete to me now.

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I replaced the text with a block from the Medley IRM -- from page 29-1.  I think that gets at the desired point.

It also mentions a different control character, ctrl-G, 'Pops up a menu listing all of the currently-running processes. Selecting one of the processes will cause a break to take place in that process.' and states the crtl-P is no longer supported.

If this is correct, I'll go ahead and make those changes also.


|character|action |
|---------|----------------------------------------- |
|ctrl-B |stop the process and enter a break window |
|ctrl-D | reset the process, unwind the stack to the top level |
|ctrl-E | unwind the stack as if an error occurred without break|
|ctrl-P | interrupt printing and reset the PRINTLEVEL |