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Diffstat (limited to 'configs/shared/emacs/.emacs.d/elpa/ace-window-20180607.1223/ace-window.el')
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diff --git a/configs/shared/emacs/.emacs.d/elpa/ace-window-20180607.1223/ace-window.el b/configs/shared/emacs/.emacs.d/elpa/ace-window-20180607.1223/ace-window.el new file mode 100644 index 0000000000..b6759c421b --- /dev/null +++ b/configs/shared/emacs/.emacs.d/elpa/ace-window-20180607.1223/ace-window.el @@ -0,0 +1,802 @@ +;;; ace-window.el --- Quickly switch windows. -*- lexical-binding: t -*- + +;; Copyright (C) 2015 Free Software Foundation, Inc. + +;; Author: Oleh Krehel <ohwoeowho@gmail.com> +;; Maintainer: Oleh Krehel <ohwoeowho@gmail.com> +;; URL: https://github.com/abo-abo/ace-window +;; Package-Version: 20180607.1223 +;; Version: 0.9.0 +;; Package-Requires: ((avy "0.2.0")) +;; Keywords: window, location + +;; This file is part of GNU Emacs. + +;; This file is free software; you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation; either version 3, or (at your option) +;; any later version. + +;; This program is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; For a full copy of the GNU General Public License +;; see <http://www.gnu.org/licenses/>. + +;;; Commentary: +;; +;; The main function, `ace-window' is meant to replace `other-window' +;; by assigning each window a short, unique label. When there are only +;; two windows present, `other-window' is called (unless +;; aw-dispatch-always is set non-nil). If there are more, each +;; window will have its first label character highlighted. Once a +;; unique label is typed, ace-window will switch to that window. +;; +;; To setup this package, just add to your .emacs: +;; +;; (global-set-key (kbd "M-o") 'ace-window) +;; +;; replacing "M-o" with an appropriate shortcut. +;; +;; By default, ace-window uses numbers for window labels so the window +;; labeling is intuitively ordered. But if you prefer to type keys on +;; your home row for quicker access, use this setting: +;; +;; (setq aw-keys '(?a ?s ?d ?f ?g ?h ?j ?k ?l)) +;; +;; Whenever ace-window prompts for a window selection, it grays out +;; all the window characters, highlighting window labels in red. To +;; disable this behavior, set this: +;; +;; (setq aw-background nil) +;; +;; If you want to know the selection characters ahead of time, turn on +;; `ace-window-display-mode'. +;; +;; When prefixed with one `universal-argument', instead of switching +;; to the selected window, the selected window is swapped with the +;; current one. +;; +;; When prefixed with two `universal-argument', the selected window is +;; deleted instead. + +;;; Code: +(require 'avy) +(require 'ring) +(require 'subr-x) + +;;* Customization +(defgroup ace-window nil + "Quickly switch current window." + :group 'convenience + :prefix "aw-") + +(defcustom aw-keys '(?1 ?2 ?3 ?4 ?5 ?6 ?7 ?8 ?9) + "Keys for selecting window." + :type '(repeat character)) + +(defcustom aw-scope 'global + "The scope used by `ace-window'." + :type '(choice + (const :tag "visible frames" visible) + (const :tag "global" global) + (const :tag "frame" frame))) + +(defcustom aw-minibuffer-flag nil + "When non-nil, also display `ace-window-mode' string in the minibuffer when ace-window is active." + :type 'boolean) + +(defcustom aw-ignored-buffers '("*Calc Trail*" "*LV*") + "List of buffers and major-modes to ignore when choosing a window from the window list. +Active only when `aw-ignore-on' is non-nil. Windows displaying these +buffers can still be chosen by typing their specific labels." + :type '(repeat string)) + +(defcustom aw-ignore-on t + "When t, `ace-window' will ignore buffers and major-modes in `aw-ignored-buffers'. +Use M-0 `ace-window' to toggle this value." + :type 'boolean) + +(defcustom aw-ignore-current nil + "When t, `ace-window' will ignore `selected-window'." + :type 'boolean) + +(defcustom aw-background t + "When t, `ace-window' will dim out all buffers temporarily when used." + :type 'boolean) + +(defcustom aw-leading-char-style 'char + "Style of the leading char overlay." + :type '(choice + (const :tag "single char" 'char) + (const :tag "full path" 'path))) + +(defcustom aw-dispatch-always nil + "When non-nil, `ace-window' will issue a `read-char' even for one window. +This will make `ace-window' act different from `other-window' for + one or two windows." + :type 'boolean) + +(defcustom aw-dispatch-when-more-than 2 + "If the number of windows is more than this, activate ace-window-ness." + :type 'integer) + +(defcustom aw-reverse-frame-list nil + "When non-nil `ace-window' will order frames for selection in +the reverse of `frame-list'" + :type 'boolean) + +(defcustom aw-frame-offset '(13 . 23) + "Increase in pixel offset for new ace-window frames relative to the selected frame. +Its value is an (x-offset . y-offset) pair in pixels." + :type '(cons integer integer)) + +(defcustom aw-frame-size nil + "Frame size to make new ace-window frames. +Its value is a (width . height) pair in pixels or nil for the default frame size. +(0 . 0) is special and means make the frame size the same as the last selected frame size." + :type '(cons integer integer)) + +(defcustom aw-char-position 'top-left + "Window positions of the character overlay. +Consider changing this if the overlay tends to overlap with other things." + :type '(choice + (const :tag "top left corner only" 'top-left) + (const :tag "both left corners" 'left))) + +;; Must be defined before `aw-make-frame-char' since its :set function references this. +(defvar aw-dispatch-alist + '((?x aw-delete-window "Delete Window") + (?m aw-swap-window "Swap Windows") + (?M aw-move-window "Move Window") + (?j aw-switch-buffer-in-window "Select Buffer") + (?n aw-flip-window) + (?u aw-switch-buffer-other-window "Switch Buffer Other Window") + (?c aw-split-window-fair "Split Fair Window") + (?v aw-split-window-vert "Split Vert Window") + (?b aw-split-window-horz "Split Horz Window") + (?o delete-other-windows "Delete Other Windows") + (?? aw-show-dispatch-help)) + "List of actions for `aw-dispatch-default'. +Each action is a list of either: + (char function description) where function takes a single window argument +or + (char function) where function takes no argument and the description is omitted.") + +(defun aw-set-make-frame-char (option value) + ;; Signal an error if `aw-make-frame-char' is ever set to an invalid + ;; or conflicting value. + (when value + (cond ((not (characterp value)) + (user-error "`aw-make-frame-char' must be a character, not `%s'" value)) + ((memq value aw-keys) + (user-error "`aw-make-frame-char' is `%c'; this conflicts with the same character in `aw-keys'" value)) + ((assq value aw-dispatch-alist) + (user-error "`aw-make-frame-char' is `%c'; this conflicts with the same character in `aw-dispatch-alist'" value)))) + (set option value)) + +(defcustom aw-make-frame-char ?z + "Non-existing ace window label character that triggers creation of a new single-window frame for display." + :set 'aw-set-make-frame-char + :type 'character) + +(defface aw-leading-char-face + '((((class color)) (:foreground "red")) + (((background dark)) (:foreground "gray100")) + (((background light)) (:foreground "gray0")) + (t (:foreground "gray100" :underline nil))) + "Face for each window's leading char.") + +(defface aw-background-face + '((t (:foreground "gray40"))) + "Face for whole window background during selection.") + +(defface aw-mode-line-face + '((t (:inherit mode-line-buffer-id))) + "Face used for displaying the ace window key in the mode-line.") + +(defface aw-key-face + '((t :inherit font-lock-builtin-face)) + "Face used by `aw-show-dispatch-help'.") + +;;* Implementation +(defun aw-ignored-p (window) + "Return t if WINDOW should be ignored when choosing from the window list." + (or (and aw-ignore-on + ;; Ignore major-modes and buffer-names in `aw-ignored-buffers'. + (or (memq (buffer-local-value 'major-mode (window-buffer window)) + aw-ignored-buffers) + (member (buffer-name (window-buffer window)) aw-ignored-buffers))) + ;; Ignore selected window if `aw-ignore-current' is non-nil. + (and aw-ignore-current + (equal window (selected-window))) + ;; When `ignore-window-parameters' is nil, ignore windows whose + ;; `no-other-window’ or `no-delete-other-windows' parameter is non-nil. + (unless ignore-window-parameters + (cl-case this-command + (ace-select-window (window-parameter window 'no-other-window)) + (ace-delete-window (window-parameter window 'no-delete-other-windows)) + (ace-delete-other-windows (window-parameter + window 'no-delete-other-windows)))))) + +(defun aw-window-list () + "Return the list of interesting windows." + (sort + (cl-remove-if + (lambda (w) + (let ((f (window-frame w))) + (or (not (and (frame-live-p f) + (frame-visible-p f))) + (string= "initial_terminal" (terminal-name f)) + (aw-ignored-p w)))) + (cl-case aw-scope + (visible + (cl-mapcan #'window-list (visible-frame-list))) + (global + (cl-mapcan #'window-list (frame-list))) + (frame + (window-list)) + (t + (error "Invalid `aw-scope': %S" aw-scope)))) + 'aw-window<)) + +(defvar aw-overlays-back nil + "Hold overlays for when `aw-background' is t.") + +(defvar ace-window-mode nil + "Minor mode during the selection process.") + +;; register minor mode +(or (assq 'ace-window-mode minor-mode-alist) + (nconc minor-mode-alist + (list '(ace-window-mode ace-window-mode)))) + +(defvar aw-empty-buffers-list nil + "Store the read-only empty buffers which had to be modified. +Modify them back eventually.") + +(defun aw--done () + "Clean up mode line and overlays." + ;; mode line + (aw-set-mode-line nil) + ;; background + (mapc #'delete-overlay aw-overlays-back) + (setq aw-overlays-back nil) + (avy--remove-leading-chars) + (dolist (b aw-empty-buffers-list) + (with-current-buffer b + (when (string= (buffer-string) " ") + (let ((inhibit-read-only t)) + (delete-region (point-min) (point-max)))))) + (setq aw-empty-buffers-list nil)) + +(defun aw--overlay-str (wnd pos path) + "Return the replacement text for an overlay in WND at POS, +accessible by typing PATH." + (let ((old-str (or + (ignore-errors + (with-selected-window wnd + (buffer-substring pos (1+ pos)))) + ""))) + (concat + (cl-case aw-leading-char-style + (char + (string (avy--key-to-char (car (last path))))) + (path + (mapconcat + (lambda (x) (string (avy--key-to-char x))) + (reverse path) + "")) + (t + (error "Bad `aw-leading-char-style': %S" + aw-leading-char-style))) + (cond ((string-equal old-str "\t") + (make-string (1- tab-width) ?\ )) + ((string-equal old-str "\n") + "\n") + (t + (make-string + (max 0 (1- (string-width old-str))) + ?\ )))))) + +(defun aw--lead-overlay (path leaf) + "Create an overlay using PATH at LEAF. +LEAF is (PT . WND)." + (let ((wnd (cdr leaf))) + (with-selected-window wnd + (when (= 0 (buffer-size)) + (push (current-buffer) aw-empty-buffers-list) + (let ((inhibit-read-only t)) + (insert " "))) + + (let* ((pt (car leaf)) + (ol (make-overlay pt (1+ pt) (window-buffer wnd)))) + (overlay-put ol 'display (aw--overlay-str wnd pt path)) + (overlay-put ol 'face 'aw-leading-char-face) + (overlay-put ol 'window wnd) + (push ol avy--overlays-lead)) + + (when (eq aw-char-position 'left) + (let* ((pt + (save-excursion + ;; Move to the start of the last visible line in the buffer. + (move-to-window-line -1) + (move-beginning-of-line nil) + ;; If this line is empty, use the previous line so we + ;; have space for the overlay. + (when (equal (point) (point-max)) + (forward-line -1)) + (point))) + (ol (make-overlay pt (1+ pt) (window-buffer wnd)))) + (overlay-put ol 'display (aw--overlay-str wnd pt path)) + (overlay-put ol 'face 'aw-leading-char-face) + (overlay-put ol 'window wnd) + (push ol avy--overlays-lead)))))) + +(defun aw--make-backgrounds (wnd-list) + "Create a dim background overlay for each window on WND-LIST." + (when aw-background + (setq aw-overlays-back + (mapcar (lambda (w) + (let ((ol (make-overlay + (window-start w) + (window-end w) + (window-buffer w)))) + (overlay-put ol 'face 'aw-background-face) + ol)) + wnd-list)))) + +(define-obsolete-variable-alias + 'aw-flip-keys 'aw--flip-keys "0.1.0" + "Use `aw-dispatch-alist' instead.") + +(defvar aw-dispatch-function 'aw-dispatch-default + "Function to call when a character not in `aw-keys' is pressed.") + +(defvar aw-action nil + "Function to call at the end of `aw-select'.") + +(defun aw-set-mode-line (str) + "Set mode line indicator to STR." + (setq ace-window-mode str) + (when (and aw-minibuffer-flag ace-window-mode) + (message "%s" (string-trim-left str))) + (force-mode-line-update)) + +(defun aw--dispatch-action (char) + "Return item from `aw-dispatch-alist' matching CHAR." + (assoc char aw-dispatch-alist)) + +(defun aw-make-frame () + "Make a new Emacs frame using the values of `aw-frame-size' and `aw-frame-offset'." + (make-frame + (delq nil + (list + ;; This first parameter is important because an + ;; aw-dispatch-alist command may not want to leave this + ;; frame with input focus. If it is given focus, the + ;; command may not be able to return focus to a different + ;; frame since this is done asynchronously by the window + ;; manager. + '(no-focus-on-map . t) + (when aw-frame-size + (cons 'width + (if (zerop (car aw-frame-size)) + (frame-width) + (car aw-frame-size)))) + (when aw-frame-size + (cons 'height + (if (zerop (cdr aw-frame-size)) + (frame-height) + (car aw-frame-size)))) + (cons 'left (+ (car aw-frame-offset) + (car (frame-position)))) + (cons 'top (+ (cdr aw-frame-offset) + (cdr (frame-position)))))))) + +(defun aw-use-frame (window) + "Create a new frame using the contents of WINDOW. + +The new frame is set to the same size as the previous frame, offset by +`aw-frame-offset' (x . y) pixels." + (aw-switch-to-window window) + (aw-make-frame)) + +(defun aw-clean-up-avy-current-path () + "Edit `avy-current-path' so only window label characters remain." + ;; Remove any possible ace-window command char that may + ;; precede the last specified window label, so + ;; functions can use `avy-current-path' as the chosen + ;; window label. + (when (and (> (length avy-current-path) 0) + (assq (aref avy-current-path 0) aw-dispatch-alist)) + (setq avy-current-path (substring avy-current-path 1)))) + +(defun aw-dispatch-default (char) + "Perform an action depending on CHAR." + (cond ((and (fboundp 'avy-mouse-event-window) + (avy-mouse-event-window char))) + ((= char (aref (kbd "C-g") 0)) + (throw 'done 'exit)) + ((= char aw-make-frame-char) + ;; Make a new frame and perform any action on its window. + (let ((start-win (selected-window)) + (end-win (frame-selected-window (aw-make-frame)))) + (if aw-action + ;; Action must be called from the start-win. The action + ;; determines which window to leave selected. + (progn (select-frame-set-input-focus (window-frame start-win)) + (funcall aw-action end-win)) + ;; Select end-win when no action + (aw-switch-to-window end-win))) + (throw 'done 'exit)) + (t + (let ((action (aw--dispatch-action char))) + (if action + (cl-destructuring-bind (_key fn &optional description) action + (if (and fn description) + (prog1 (setq aw-action fn) + (aw-set-mode-line (format " Ace - %s" description))) + (funcall fn) + (throw 'done 'exit))) + (aw-clean-up-avy-current-path) + ;; Prevent any char from triggering an avy dispatch command. + (let ((avy-dispatch-alist)) + (avy-handler-default char))))))) + +(defun aw-select (mode-line &optional action) + "Return a selected other window. +Amend MODE-LINE to the mode line for the duration of the selection." + (setq aw-action action) + (let ((start-window (selected-window)) + (next-window-scope (cl-case aw-scope + ('visible 'visible) + ('global 'visible) + ('frame 'frame))) + (wnd-list (aw-window-list)) + window) + (setq window + (cond ((<= (length wnd-list) 1) + (when aw-dispatch-always + (setq aw-action + (unwind-protect + (catch 'done + (funcall aw-dispatch-function (read-char))) + (aw--done))) + (when (eq aw-action 'exit) + (setq aw-action nil))) + (or (car wnd-list) start-window)) + ((and (<= (length wnd-list) aw-dispatch-when-more-than) + (not aw-dispatch-always) + (not aw-ignore-current)) + (let ((wnd (next-window nil nil next-window-scope))) + (while (and (or (not (memq wnd wnd-list)) + (aw-ignored-p wnd)) + (not (equal wnd start-window))) + (setq wnd (next-window wnd nil next-window-scope))) + wnd)) + (t + (let ((candidate-list + (mapcar (lambda (wnd) + (cons (aw-offset wnd) wnd)) + wnd-list))) + (aw--make-backgrounds wnd-list) + (aw-set-mode-line mode-line) + ;; turn off helm transient map + (remove-hook 'post-command-hook 'helm--maybe-update-keymap) + (unwind-protect + (let* ((avy-handler-function aw-dispatch-function) + (avy-translate-char-function #'identity) + (res (avy-read (avy-tree candidate-list aw-keys) + #'aw--lead-overlay + #'avy--remove-leading-chars))) + (if (eq res 'exit) + (setq aw-action nil) + (or (cdr res) + start-window))) + (aw--done)))))) + (if aw-action + (funcall aw-action window) + window))) + +;;* Interactive +;;;###autoload +(defun ace-select-window () + "Ace select window." + (interactive) + (aw-select " Ace - Window" + #'aw-switch-to-window)) + +;;;###autoload +(defun ace-delete-window () + "Ace delete window." + (interactive) + (aw-select " Ace - Delete Window" + #'aw-delete-window)) + +;;;###autoload +(defun ace-swap-window () + "Ace swap window." + (interactive) + (aw-select " Ace - Swap Window" + #'aw-swap-window)) + +;;;###autoload +(defun ace-delete-other-windows () + "Ace delete other windows." + (interactive) + (aw-select " Ace - Delete Other Windows" + #'delete-other-windows)) + +(define-obsolete-function-alias + 'ace-maximize-window 'ace-delete-other-windows "0.10.0") + +;;;###autoload +(defun ace-window (arg) + "Select a window. +Perform an action based on ARG described below. + +By default, behaves like extended `other-window'. + +Prefixed with one \\[universal-argument], does a swap between the +selected window and the current window, so that the selected +buffer moves to current window (and current buffer moves to +selected window). + +Prefixed with two \\[universal-argument]'s, deletes the selected +window." + (interactive "p") + (cl-case arg + (0 + (setq aw-ignore-on + (not aw-ignore-on)) + (ace-select-window)) + (4 (ace-swap-window)) + (16 (ace-delete-window)) + (t (ace-select-window)))) + +;;* Utility +(unless (fboundp 'frame-position) + (defun frame-position (&optional frame) + (cons (frame-parameter frame 'left) + (frame-parameter frame 'top)))) + +(defun aw-window< (wnd1 wnd2) + "Return true if WND1 is less than WND2. +This is determined by their respective window coordinates. +Windows are numbered top down, left to right." + (let ((f1 (window-frame wnd1)) + (f2 (window-frame wnd2)) + (e1 (window-edges wnd1)) + (e2 (window-edges wnd2))) + (cond ((< (car (frame-position f1)) (car (frame-position f2))) + (not aw-reverse-frame-list)) + ((> (car (frame-position f1)) (car (frame-position f2))) + aw-reverse-frame-list) + ((< (car e1) (car e2)) + t) + ((> (car e1) (car e2)) + nil) + ((< (cadr e1) (cadr e2)) + t)))) + +(defvar aw--window-ring (make-ring 10) + "Hold the window switching history.") + +(defun aw--push-window (window) + "Store WINDOW to `aw--window-ring'." + (when (or (zerop (ring-length aw--window-ring)) + (not (equal + (ring-ref aw--window-ring 0) + window))) + (ring-insert aw--window-ring (selected-window)))) + +(defun aw--pop-window () + "Return the removed top of `aw--window-ring'." + (let (res) + (condition-case nil + (while (or (not (window-live-p + (setq res (ring-remove aw--window-ring 0)))) + (equal res (selected-window)))) + (error + (if (= (length (aw-window-list)) 2) + (progn + (other-window 1) + (setq res (selected-window))) + (error "No previous windows stored")))) + res)) + +(defun aw-switch-to-window (window) + "Switch to the window WINDOW." + (let ((frame (window-frame window))) + (aw--push-window (selected-window)) + (when (and (frame-live-p frame) + (not (eq frame (selected-frame)))) + (select-frame-set-input-focus frame)) + (if (window-live-p window) + (select-window window) + (error "Got a dead window %S" window)))) + +(defun aw-flip-window () + "Switch to the window you were previously in." + (interactive) + (aw-switch-to-window (aw--pop-window))) + +(defun aw-show-dispatch-help () + "Display action shortucts in echo area." + (interactive) + (message "%s" (mapconcat + (lambda (action) + (cl-destructuring-bind (key fn &optional description) action + (format "%s: %s" + (propertize + (char-to-string key) + 'face 'aw-key-face) + (or description fn)))) + aw-dispatch-alist + "\n")) + ;; Prevent this from replacing any help display + ;; in the minibuffer. + (let (aw-minibuffer-flag) + (mapc #'delete-overlay aw-overlays-back) + (call-interactively 'ace-window))) + +(defun aw-delete-window (window) + "Delete window WINDOW." + (let ((frame (window-frame window))) + (when (and (frame-live-p frame) + (not (eq frame (selected-frame)))) + (select-frame-set-input-focus (window-frame window))) + (if (= 1 (length (window-list))) + (delete-frame frame) + (if (window-live-p window) + (delete-window window) + (error "Got a dead window %S" window))))) + +(defun aw-switch-buffer-in-window (window) + "Select buffer in WINDOW." + (aw-switch-to-window window) + (aw--switch-buffer)) + +(declare-function ivy-switch-buffer "ext:ivy") + +(defun aw--switch-buffer () + (cond ((bound-and-true-p ivy-mode) + (ivy-switch-buffer)) + ((bound-and-true-p ido-mode) + (ido-switch-buffer)) + (t + (call-interactively 'switch-to-buffer)))) + +(defcustom aw-swap-invert nil + "When non-nil, the other of the two swapped windows gets the point." + :type 'boolean) + +(defun aw-swap-window (window) + "Swap buffers of current window and WINDOW." + (cl-labels ((swap-windows (window1 window2) + "Swap the buffers of WINDOW1 and WINDOW2." + (let ((buffer1 (window-buffer window1)) + (buffer2 (window-buffer window2))) + (set-window-buffer window1 buffer2) + (set-window-buffer window2 buffer1) + (select-window window2)))) + (let ((frame (window-frame window)) + (this-window (selected-window))) + (when (and (frame-live-p frame) + (not (eq frame (selected-frame)))) + (select-frame-set-input-focus (window-frame window))) + (when (and (window-live-p window) + (not (eq window this-window))) + (aw--push-window this-window) + (if aw-swap-invert + (swap-windows window this-window) + (swap-windows this-window window)))))) + +(defun aw-move-window (window) + "Move the current buffer to WINDOW. +Switch the current window to the previous buffer." + (let ((buffer (current-buffer))) + (switch-to-buffer (other-buffer)) + (aw-switch-to-window window) + (switch-to-buffer buffer))) + +(defun aw-split-window-vert (window) + "Split WINDOW vertically." + (select-window window) + (split-window-vertically)) + +(defun aw-split-window-horz (window) + "Split WINDOW horizontally." + (select-window window) + (split-window-horizontally)) + +(defcustom aw-fair-aspect-ratio 2 + "The aspect ratio to aim for when splitting windows. +Sizes are based on the number of characters, not pixels. +Increase to prefer wider windows, or decrease for taller windows." + :type 'number) + +(defun aw-split-window-fair (window) + "Split WINDOW vertically or horizontally, based on its current dimensions. +Modify `aw-fair-aspect-ratio' to tweak behavior." + (let ((w (window-body-width window)) + (h (window-body-height window))) + (if (< (* h aw-fair-aspect-ratio) w) + (aw-split-window-horz window) + (aw-split-window-vert window)))) + +(defun aw-switch-buffer-other-window (window) + "Switch buffer in WINDOW without selecting WINDOW." + (aw-switch-to-window window) + (aw--switch-buffer) + (aw-flip-window)) + +(defun aw-offset (window) + "Return point in WINDOW that's closest to top left corner. +The point is writable, i.e. it's not part of space after newline." + (let ((h (window-hscroll window)) + (beg (window-start window)) + (end (window-end window)) + (inhibit-field-text-motion t)) + (with-current-buffer + (window-buffer window) + (save-excursion + (goto-char beg) + (while (and (< (point) end) + (< (- (line-end-position) + (line-beginning-position)) + h)) + (forward-line)) + (+ (point) h))))) + +;;* Mode line +;;;###autoload +(define-minor-mode ace-window-display-mode + "Minor mode for showing the ace window key in the mode line." + :global t + (if ace-window-display-mode + (progn + (aw-update) + (set-default + 'mode-line-format + `((ace-window-display-mode + (:eval (window-parameter (selected-window) 'ace-window-path))) + ,@(assq-delete-all + 'ace-window-display-mode + (default-value 'mode-line-format)))) + (force-mode-line-update t) + (add-hook 'window-configuration-change-hook 'aw-update) + ;; Add at the end so does not precede select-frame call. + (add-hook 'after-make-frame-functions (lambda (_) (aw-update)) t)) + (set-default + 'mode-line-format + (assq-delete-all + 'ace-window-display-mode + (default-value 'mode-line-format))) + (remove-hook 'window-configuration-change-hook 'aw-update) + (remove-hook 'after-make-frame-functions 'aw-update))) + +(defun aw-update () + "Update ace-window-path window parameter for all windows. + +Ensure all windows are labeled so the user can select a specific +one, even from the set of windows typically ignored when making a +window list." + (let ((aw-ignore-on) + (aw-ignore-current) + (ignore-window-parameters t)) + (avy-traverse + (avy-tree (aw-window-list) aw-keys) + (lambda (path leaf) + (set-window-parameter + leaf 'ace-window-path + (propertize + (apply #'string (reverse path)) + 'face 'aw-mode-line-face)))))) + +(provide 'ace-window) + +;;; ace-window.el ends here |