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ace-window 0.9.0

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@abo-abo abo-abo released this 13 May 15:20
· 105 commits to master since this release
0.9.0
eef897e

New Features

Display the window decision chars in the mode line

Enable ace-window-display-mode for this. This gives you the advantage of always being aware which window corresponds to which char.

New defcustom: aw-ignore-current

This is off by default. When t, ace-window will ignore selected-window.

Allow to switch the window action midway

Ace-window has many commands available, like:

  • ace-select-window
  • ace-delete-window
  • ace-swap-window
  • ...

But did you wish sometimes when you called ace-select-window that you should have called ace-delete-window? In the old way, you would cancel ace-select-window with C-g and call ace-delete-window.

With the new way, you can, just press x followed by the decision char. All keys are customizable through aw-dispatch-alist.

(defvar aw-dispatch-alist
  '((?x aw-delete-window " Ace - Delete Window")
    (?m aw-swap-window " Ace - Swap Window")
    (?n aw-flip-window)
    (?v aw-split-window-vert " Ace - Split Vert Window")
    (?b aw-split-window-horz " Ace - Split Horz Window")
    (?i delete-other-windows " Ace - Maximize Window")
    (?o delete-other-windows))
  "List of actions for `aw-dispatch-default'.")

The strings beside each command are important: they are used to update the mode line when you press a char. They also mean that a window should be selected using aw-keys for the corresponding command. If there's no string, the command is just called straight away, with no arguments. To reiterate, for each entry without a string, its command will be called immediately, and for others the window will be selected first.

Also, take note of aw-flip-window. Suppose the you have a lot (say 7) windows, but you only want to cycle between the most recent two. You can do so with n, with no need to press the decision char.

I call this feature "the dispatch". The dispatch normally happens when:

  1. you're prompted for aw-keys
  2. you press a char that isn't in aw-keys
  3. there's an entry in aw-dispatch-alist for this char

If you want to skip step 1 always (since, by default, you're not prompted for aw-keys when you have 2 or less windows), use:

(setq aw-dispatch-always t)

Be careful though, setting this means that you'll always have to select a window with aw-keys, even if there are only two. This is a large toll on the muscle memory. On the other hand, even with one window, assuming you've bound ace-window to M-p, you get:

  • split-window-vertically on M-p v
  • split-window-horizontally on M-p b
  • delete-other-windows on M-p o

What's also nice is that these commands scale with the amount of windows: if you have only one window, you get no prompt for M-p v, so it acts just like C-x 2. But if you have more windows, you don't have to select the window that you want to split beforehand: you can select it after you decided to issue a split operation.

See the wiki for a nice customization setup by @joedicastro.

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