dunlin/musing.md

3.2 KiB

Braindump

This is a combination of a thinking-out-loud document and a TODO list. It is not a document of record. You should not expect to derive value from reading it

tl;dr what if ... a web browser, but tabs were more like emacs buffers?

objects/data types

buffer Buffer.find ;; by name, title, url Buffer.by_name (maybe?)

buffer has-a webview but it is not shown by default. Later we may add some kind of webview reuse so that invisible and old buffers don't need to have a webview until needed.

I seem to be using "buffer" and "tab" mostly synonymously

frame Frame.the-frame frame.set-buffer (buffer) frame.get-buffer => buffer frame.commander - text entry widget frame.actions - container of toolbar buttons

in future we may be able to split a frame into multiple windows which show different buffers

location (url) document document element(?) webview lua's standard types


a consideration we haven't touched on yet: in emacs, not all buffers are files - e.g. the buffer list, or the process list, or the magit status buffer - there is a well-used affordance for elisp to put semi-persistent interactable content onscreen - do we need such a thing here or is it ok to say "just call gtk" to command authors


when input widget is active for a parameter, show the completions flowbox

while typing, use the typed input to get a completions list. each completion is an acceptable value: convert to a gtk widget by calling (to-label value) and add to flowbox.

if the value is a table if :to-label key present, use it as-is else Gtk.Label { :label value.value } else (assume it's a string) Gtk.Label { :label value }

on RET, check there is a completion value whose stringification matches the input string. Hide the flowbox

to activate a rendered completion, the callback needs to perform the same action as RET would on the chosen value

is there a role for TAB?

  • in the shell it activates completion or shows options: we don't need that if we're updating them automatically

  • we could use it to cycle through the available completions: switch focus from entry to step through the completions then RET activates


TODO

  • [done] show loading progress

  • [done] show url when the commander is inactive

  • [done] visit-location url defaults to current

  • [done] ESC to cancel interactive command

  • [done] C-g to cancel key sequence

  • custom rendering for completions (e.g. buffer thumbnails)

  • less ugly default completions rendering

  • buffer name is often going to be useless. find buffers by url/title still need some 1:1 mapping between the buffer object and a text-representable form of same

  • click in commander widget activates visit-location

  • in general, can we bind commands to widget events?

  • display unbound key error

  • autocomplete command name

  • command to create new buffer

  • keyboard navigation of completions


I think we're misusing the commander to show url and error messages and key prompts. It's OK to have that part of the screen be multipurpose but philosophically those things are not related to the command system.

  • hide commander when inactive and replace it with echo area
  • move it to bottom?

commander can't hide itself, it needs to ask its parent to hide it