Call alien-sel with a prompt and a list of choices, and a vertical list is shown for choosing with arrow keys. The
minibuffer is activated for filtering.
Features:
Filter options by typing in the minibuffer. Substring, regexp and flex matching available.
The selection list can appear in a normal window, or a ‘popup’ window where the cursor is. Popup have a couple of styles.
Push filters to narrow selection.
Text of the items can be propertized. Properties are preserved in the return value.
The property alien-sel-val allows to specify a value to return different from the value to show.
The property alien-sel-subtext allows to specify a secondary line of text to display besides the items.
Goals:
Emacs’ ido is great, but the minibuffer is too far away from the editing most of the time.
Small library, but with categorization, filtering, and extra information for items. Most of this is not yet implemented.
Keys:
Option selection:
return
Select the highlighted item and exit.
up
Move selection up.
down
Move selection down.
next
Move selection down a few lines.
prior
Move selection up a few lines.
home
Move selection to the first element.
end
Move selection to the last element.
M-down
Fall back to completing-read.
Filtering:
C-+
Cycle filter types. Types available are: prefix/substring/flex, prefix/substring, prefix, and regexp.
C-return
Pushes the current filter to the filter stack. The filtered list becomes the default list. The filter stack is shown in the modeline.
M-return
Pops one element from the filter stack.
List presentation:
M-+
Toggle numbering of list elements.
S-down
Increase the number of visible elements.
S-up
Decrease the number of visible elements.
C-c 1
Deletes all other windows, so the list window takes the whole frame.
Misc:
M-up
Activate the window with the list, to resize it, copy text, etc. Once there, use M-down or C-g to get back to the minibuffer.
Next:
Documentation.
Commands to handle the popup frame: opacity, size, position.
When selecting the listing window, allow to make a choice from there too.
Item categories, by prefix or explicit. Allow to filter out categories.
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