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configs/emacs: use sr-speedbar from nixpkgs

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Aaron Bieber 2024-05-21 11:48:44 -06:00
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@ -329,656 +329,9 @@ easier for me to treat it like a regular shell.
Speedbar is almost perfect.. If it only ran in the current frame!! :D
**** Enter sr-speedbar
#+begin_src emacs-lisp
;;; sr-speedbar.el --- Same frame speedbar
;; Author: Sebastian Rose <sebastian_rose@gmx.de>
;; Maintainer: Sebastian Rose <sebastian_rose@gmx.de>
;; Peter Lunicks <plunix@users.sourceforge.net>
;; Copyright (C) 2008, 2009, Sebastian Rose, all rights reserved.
;; Copyright (C) 2008, 2009, Andy Stewart, all rights reserved.
;; Copyright (C) 2009, Peter Lunicks, all rights reversed.
;; Created: 2008
;; Version: 20200616
;; X-Original-Version: 0.1.10
;; Last-Updated: 2020-06-16
;; URL: http://www.emacswiki.org/emacs/download/sr-speedbar.el
;; Keywords: speedbar, sr-speedbar.el
;; Compatibility: GNU Emacs 22 ~ GNU Emacs 25
;;
;; Features required by this library:
;;
;; `speedbar' `advice' `cl'
;;
;;; This file is NOT part of GNU Emacs
;;; License
;;
;; This program 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.
;; You should have received a copy of the GNU General Public License
;; along with this program; see the file COPYING. If not, write to
;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth
;; Floor, Boston, MA 02110-1301, USA.
;;; Commentary:
;;
;; The sr-speedbar.el was created just because I could not believe what I
;; read on http://www.emacswiki.org/cgi-bin/wiki/Speedbar. They wrote there
;; that it is not possible to show the speedbar in the same frame. But, as
;; we all know, ecb had this already. So I started as some kind of joke :)
;; But when I found it useful and use it all the time.
;;
;; Now you type windows key with 's' (`s-s' in Emacs) will show the speedbar
;; in an extra window, same frame. You can customize the initial width of the
;; speedbar window.
;;
;; Below are commands you can use:
;;
;; `sr-speedbar-open' Open `sr-speedbar' window.
;; `sr-speedbar-close' Close `sr-speedbar' window.
;; `sr-speedbar-toggle' Toggle `sr-speedbar' window.
;; `sr-speedbar-select-window' Select `sr-speedbar' window.
;; `sr-speedbar-refresh-turn-on' Turn on refresh speedbar content.
;; `sr-speedbar-refresh-turn-off' Turn off refresh speedbar content.
;; `sr-speedbar-refresh-toggle' Toggle refresh speedbar content.
;;
;; Enjoy! ;)
;;
;;; Installation:
;;
;; Copy sr-speedbar.el to your load-path and add to your ~/.emacs
;;
;; (require 'sr-speedbar)
;; (global-set-key (kbd "s-s") 'sr-speedbar-toggle)
;;
;; ... or any key binding you like.
;;
;;; Customize:
;;
;; M-x customize-group RET sr-speedbar RET
;;; Change log:
;; * 07 Jan 2021:
;; * Jacob First <jacob.first@member.fsf.org>
;; * Fix inconsistent window selection when opening speedbar on the right side vs. on the left.
;;
;; * 16 Jun 2020:
;; * Bo Yao <icerove@gmail.com> (submitted by him on 16 Jul 2018 to the Emacs Orphanage mirror version at GitHub)
;; * Always open file in most recently selected window (the one before switching to
;; sr-speedbar).
;;
;; * 25 Oct 2016:
;; * Hong Xu <hong@topbug.net>
;; * Fix compilation warning when `helm-alive-p' is not defined.
;;
;; * 04 Aug 2015:
;; * Tamas Levai <levait@tmit.bme.hu>:
;; * fix compilation warnings
;;
;; * 15 Sep 2014:
;; * Tu, Do Hoang <tuhdo1710@gmail.com>
;; * define `sr-speedbar-handle-other-window-advice' and `ad-advised-definition-p'
;; before defining `sr-speedbar-skip-other-window-p'. Othewise, `sr-speedbar'
;; fails to load at this stage.
;;
;; * Do not used advised `pop-to-buffer' when helm window is
;; alive. Otherwise another horizontal buffer is created inside
;; Helm buffer.
;;
;; * Uwe Koloska <kolewu@koloro.de>
;; * define `ad-advised-definition-p' only if it's not defined
;; fixes an error on Emacs 24.3 where `macrop' ist still named
;; `ad-macro-p'
;;
;; * 03 Aug 2014:
;; * Reuben Thomas <rrt@sc3d.org>:
;; * Reduce to a single width preference, and make it work properly on
;; startup.
;; * Miscellaneous tidying of documentation and comments.
;; * Remove version constant; should be using the package header, and it
;; was already way out of date.
;;
;; * 08 Jun 2014:
;; * Gregor Zattler:
;; * test if symbol `ad-advised-definition-p' is defined,
;; since Christian Brassats version test failed on emacs
;; 23.3.91.1
;;
;; * 05 May 2014:
;; * Christian Brassat:
;; * `ad-advised-definition-p' is not supported since Emacs 24.4.
;;
;; * 09 Mar 2013:
;; * Tharre:
;; * Remove Emacs 21 compatibility code as it fails to compile on Emacs 24.
;;
;; * 20 July 2009:
;; * Peter Lunicks:
;; * Add new option `sr-speedbar-right-side' to control which
;; side of the frame the speedbar appears on.
;;
;; * 18 Feb 2009:
;; * Andy Stewart:
;; * Fix bug between ECB and `sr-speedbar-close'.
;;
;; * 29 Jan 2009:
;; * Andy Stewart:
;; * Fix doc.
;;
;; * 13 Jan 2009:
;; * Andy Stewart:
;; * Use `emacs-major-version' instead comment for Emacs 21 compatibility.
;; * Rewrite advice for `pop-to-buffer' to avoid `pop-to-buffer' not effect
;; when have many dedicated window in current frame.
;; * Rewrite advice for `delete-other-windows' to avoid use common variable
;; `delete-protected-window-list' and use `window-dedicated-p' instead.
;; Remove variable `delete-protected-window-list' and function
;; `sr-speedbar-dedicated-match-protected-window-p'.
;;
;; * 04 Jan 2009:
;; * Andy Stewart:
;; * Add new option `sr-speedbar-auto-refresh' control refresh content.
;; * Add new functions:
;; `sr-speedbar-refresh-turn-on',
;; `sr-speedbar-refresh-turn-off',
;; `sr-speedbar-refresh-toggle'.
;; * Fix doc.
;;
;; * 30 Dec 2008:
;; * Andy Stewart:
;; * Rewrite advice for `delete-other-windows' for fix the bug
;; with window configuration save and revert.
;; * Rewrite advice for `delete-window', now just remember window
;; width before deleted, and can use `delete-window' do same effect
;; as command `sr-speedbar-close'.
;; * Add new option `sr-speedbar-max-width'.
;; Remember window width before hide, except larger than value of
;; `sr-speedbar-max-width'.
;; * Add new variable `delete-protected-window-list', for protected
;; special window don't deleted.
;; This variable is common for any extension that use dedicated
;; window.
;; * Fix doc.
;;
;; * 29 Dec 2008:
;; * Andy Stewart:
;; * Pick-up and refactory code that use `buffer-live-p' or `window-live-p',
;; and replace with `sr-speedbar-buffer-exist-p' and
;; `sr-speedbar-window-exist-p'.
;; * Rename some function with prefix `sr-speedbar-' to avoid
;; conflict with other functions.
;; * Pick-up the code that handle advice for `other-window',
;; and replace with function `sr-speedbar-handle-other-window-advice'.
;; * Clean up code, make more clear.
;;
;; * 21 Dec 2008:
;; * Andy Stewart:
;; * Fix the bug `sr-speedbar-open' and `sr-speedbar-close'.
;; * Fix doc.
;;
;; * 20 Dec 2008
;; * Andy Stewart:
;; * Fix `ad-advised-definition-p' error.
;; * Fix doc.
;;
;; * 17 Dec 2008
;; * Andy Stewart:
;; * Add new option `sr-speedbar-skip-other-window-p' and new advice
;; for `other-window', make user skip select `sr-speedbar' window
;; when use command `other-window'.
;; * Fix the name of advice, make more clear.
;; * Fix the bug `sr-speedbar-select-window' when no live window exist.
;; * Fix doc.
;;
;; * 16 Dec 2008:
;; * Andy Stewart:
;; * Fix the bug of `sr-speedbar-refresh', use `default-directory'
;; get refresh directory instead through function in `dired'.
;; * Fix `window-live-p' bug, check window valid value before use
;; `window-live-p' test `sr-speedbar-window'.
;; * Fix `buffer-live-p' bug, check buffer valid value before use
;; `buffer-live-p' test `speedbar-buffer'.
;; * Add advice `pop-to-buffer' to make function `display-buffer'
;; can pop-up window when just have two windows (one is `sr-speedbar'
;; window) in current frame.
;; * Add group `sr-speedbar'.
;; More better customize interface through `customize-group'.
;;
;; * 28 Sep 2008:
;; * Andy Stewart:
;; * Fix a bug, when `sr-speedbar-toggle' many times, window width
;; will increment automatically.
;; * Use around advices replace, make code simple.
;; * Use `sr-speedbar-open' replace `sr-speedbar-no-separate-frame'.
;; * Clean up code.
;;
;; * 28 Sep 2008:
;; * Sebastian:
;; * set `sr-speedbar-delete-windows' to nil to avoid
;; the removal of other windows.
;;
;; * 26 Jun 2008:
;; * Sebastian:
;; * Added Andy Stewart's patch to refresh the speedbar's contents.
;; Thanks for this one!
;;
;; * Init:
;; * Sebastian:
;; * Added some lines to get it working:
;; * splitting the window and remember it,
;; * changing the way speedbar finds a file.
;; * File view of speedbar is now working all right.
;; * C-x 1 in other window deletes speedbar-window, just calling
;; M-x sr-speedbar-no-separate-frame again is fine now.
;; * Toggle speedbar works, width is save when toggling.
;; * Recalculate speedbar width if window-width - speedbar-width <= 0
;; * Speedbar window is now dedicated to speedbar-buffer.
;;
;;; Acknowledgements:
;;
;; All emacsers ... :)
;;
;;; Bug
;;
;;
;;; TODO
;;
;;
;;
;;; Require
(require 'speedbar)
(require 'advice)
(require 'cl-lib)
(eval-when-compile
(require 'cl))
;;; Code:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; User Customization ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defgroup sr-speedbar nil
"Same frame speedbar."
:group 'speedbar)
(defcustom sr-speedbar-default-width 40
"Initial width of `sr-speedbar-window' under window system."
:type 'integer
:group 'sr-speedbar)
(defcustom sr-speedbar-max-width 50
"The max width limit that window allowed.
Default, if hide `sr-speedbar' window will remember
window width, except the window width larger than
this value."
:type 'integer
:group 'sr-speedbar)
(defcustom sr-speedbar-auto-refresh t
"Automatically refresh speedbar content when changed directory.
Default is t."
:type 'boolean
:set (lambda (symbol value)
(set symbol value))
:group 'sr-speedbar)
(defcustom sr-speedbar-right-side t
"Show the speedbar to the right side of the current window.
If nil, the speedbar will appear on the left.
Default is t."
:type 'boolean
:set (lambda (symbol value)
(set symbol value))
:group 'sr-speedbar)
(defcustom sr-speedbar-delete-windows nil
"Allow the speedbar to delete other windows before showing up.
If nil, speedbar will not touch your window configuration.
Otherwise `delete-other-windows' will be called before showing
the speedbar.
Default is nil."
:type 'boolean
:group 'sr-speedbar)
(if (not (fboundp 'ad-advised-definition-p))
(defun ad-advised-definition-p (definition)
"Return non-nil if DEFINITION was generated from advice information."
(if (or (ad-lambda-p definition)
(macrop definition)
(ad-compiled-p definition))
(let ((docstring (ad-docstring definition)))
(and (stringp docstring)
(get-text-property 0 'dynamic-docstring-function docstring))))))
(defun sr-speedbar-handle-other-window-advice (activate)
"Handle advice for function `other-window'.
If ACTIVATE is `non-nil' enable advice `sr-speedbar-other-window-advice'.
Otherwise disable it."
(if activate
(ad-enable-advice 'other-window 'after 'sr-speedbar-other-window-advice)
(ad-disable-advice 'other-window 'after 'sr-speedbar-other-window-advice))
(ad-activate 'other-window))
(defcustom sr-speedbar-skip-other-window-p nil
"Whether skip `sr-speedbar' window with `other-window'.
Default, can use `other-window' select window in cyclic
ordering of windows. But sometimes we don't want select
`sr-speedbar' window use `other-window'.
Just want make `sr-speedbar' window as a view sidebar.
So please turn on this option if you want skip
`sr-speedbar' window with `other-window'.
Default is nil."
:type 'boolean
:set (lambda (symbol value)
(set symbol value)
(if (fboundp 'ad-advised-definition-p)
(when (ad-advised-definition-p 'other-window)
(sr-speedbar-handle-other-window-advice value))
(when (ad-is-advised 'other-window)
(sr-speedbar-handle-other-window-advice value))))
:group 'sr-speedbar)
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Constant ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defconst sr-speedbar-buffer-name "*SPEEDBAR*"
"The buffer name of sr-speedbar.")
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Variables ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defvar sr-speedbar-width sr-speedbar-default-width
"Initial width of speedbar-window.")
(defvar sr-speedbar-window nil
"Speedbar window.")
(defvar sr-speedbar-last-refresh-dictionary nil
"The last refresh dictionary record of 'sr-speedbar-refresh'.")
(eval-when-compile
(defvar ecb-activated-window-configuration nil)
(defun ecb-activate ())
(defun ecb-deactivate ()))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Interactive functions ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;;###autoload
(defun sr-speedbar-toggle ()
"Toggle sr-speedbar window.
Toggle visibility of sr-speedbar by resizing
the `sr-speedbar-window' to a minimal width
or the last width when visible.
Use this function to create or toggle visibility
of a speedbar-window. It will be created if necessary."
(interactive)
(if (sr-speedbar-exist-p)
(sr-speedbar-close)
(sr-speedbar-open)))
;;;###autoload
(defun sr-speedbar-open ()
"Create `sr-speedbar' window."
(interactive)
(if (not (sr-speedbar-exist-p))
(let ((current-window (selected-window)))
;; Ensure only one window is there
;; when `sr-speedbar-delete-windows' is non-nil
(if sr-speedbar-delete-windows
(delete-other-windows))
;; Whether activate `other-window' advice
;; to skip `sr-speedbar' window when use `other-window'.
(sr-speedbar-handle-other-window-advice sr-speedbar-skip-other-window-p)
;; Switch buffer
(if (sr-speedbar-buffer-exist-p speedbar-buffer)
(unless (sr-speedbar-window-exist-p sr-speedbar-window)
(sr-speedbar-get-window))
(if (<= (sr-speedbar-current-window-take-width) sr-speedbar-width)
(setq sr-speedbar-width sr-speedbar-default-width))
(sr-speedbar-get-window) ;get `sr-speedbar' window that split current window
(setq speedbar-buffer (get-buffer-create sr-speedbar-buffer-name)
speedbar-frame (selected-frame)
dframe-attached-frame (selected-frame)
speedbar-select-frame-method 'attached
speedbar-verbosity-level 0 ;don't say anything, i don't like ... :)
speedbar-last-selected-file nil)
(set-buffer speedbar-buffer)
(buffer-disable-undo speedbar-buffer) ;make disable in speedbar buffer, otherwise will occur `undo-outer-limit' error
(speedbar-mode)
(speedbar-reconfigure-keymaps)
(speedbar-update-contents)
(speedbar-set-timer 1)
;; Add speedbar hook.
(add-hook 'speedbar-before-visiting-file-hook 'sr-speedbar-before-visiting-file-hook t)
(add-hook 'speedbar-before-visiting-tag-hook 'sr-speedbar-before-visiting-tag-hook t)
(add-hook 'speedbar-visiting-file-hook 'sr-speedbar-visiting-file-hook t)
(add-hook 'speedbar-visiting-tag-hook 'sr-speedbar-visiting-tag-hook t)
;; Add `kill-buffer-hook'.
(add-hook 'kill-buffer-hook 'sr-speedbar-kill-buffer-hook) ;add `kill-buffer-hook'
;; Auto refresh speedbar content
;; if option `sr-speedbar-auto-refresh' is non-nil
(sr-speedbar-handle-auto-refresh sr-speedbar-auto-refresh))
(set-window-buffer sr-speedbar-window (get-buffer sr-speedbar-buffer-name))
(set-window-dedicated-p sr-speedbar-window t) ;make `sr-speedbar-window' dedicated to speedbar-buffer.
(select-window current-window))
(message "`sr-speedbar' window has exist.")))
(defun sr-speedbar-close ()
"Close `sr-speedbar' window and save window width."
(interactive)
(if (sr-speedbar-exist-p)
(let ((current-window (selected-window)))
;; Remember window width.
(sr-speedbar-select-window)
(sr-speedbar-remember-window-width)
;; Close window.
(if (and (require 'ecb nil t)
ecb-activated-window-configuration)
;; Toggle ECB window when ECB window activated.
(progn
(ecb-deactivate)
(ecb-activate))
;; Otherwise delete dedicated window.
(delete-window sr-speedbar-window)
(if (sr-speedbar-window-exist-p current-window)
(select-window current-window))))
(message "`sr-speedbar' window is not exist.")))
(defun sr-speedbar-select-window ()
"Force the windows that contain `sr-speedbar'."
(interactive)
(if (sr-speedbar-exist-p)
(select-window sr-speedbar-window)
(message "`sr-speedbar' window is not exist.")))
(defun sr-speedbar-refresh-turn-on ()
"Turn on refresh content automatically."
(interactive)
(setq sr-speedbar-auto-refresh t)
(sr-speedbar-handle-auto-refresh sr-speedbar-auto-refresh t))
(defun sr-speedbar-refresh-turn-off ()
"Turn off refresh content automatically."
(interactive)
(setq sr-speedbar-auto-refresh nil)
(sr-speedbar-handle-auto-refresh sr-speedbar-auto-refresh t))
(defun sr-speedbar-refresh-toggle ()
"Toggle refresh content status."
(interactive)
(setq sr-speedbar-auto-refresh (not sr-speedbar-auto-refresh))
(sr-speedbar-handle-auto-refresh sr-speedbar-auto-refresh t))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; utilise functions ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun sr-speedbar-exist-p ()
"Return `non-nil' if `sr-speedbar' is exist.
Otherwise return nil."
(and (sr-speedbar-buffer-exist-p speedbar-buffer)
(sr-speedbar-window-exist-p sr-speedbar-window)))
(defun sr-speedbar-window-p ()
"Return `non-nil' if current window is `sr-speedbar' window.
Otherwise return nil."
(equal sr-speedbar-buffer-name (buffer-name (window-buffer))))
(defun sr-speedbar-remember-window-width ()
"Remember window width."
(let ((win-width (sr-speedbar-current-window-take-width)))
(if (and (sr-speedbar-window-p)
(> win-width 1)
(<= win-width sr-speedbar-max-width))
(setq sr-speedbar-width win-width))))
(defun sr-speedbar-get-window ()
"Get `sr-speedbar' window."
(setq sr-speedbar-window
(split-window (selected-window)
(- sr-speedbar-width)
(if sr-speedbar-right-side 'right 'left))))
(defun sr-speedbar-before-visiting-file-hook ()
"Function that hook `speedbar-before-visiting-file-hook'."
(select-window (get-mru-window)))
(defun sr-speedbar-before-visiting-tag-hook ()
"Function that hook `speedbar-before-visiting-tag-hook'."
(select-window (get-mru-window)))
(defun sr-speedbar-visiting-file-hook ()
"Function that hook `speedbar-visiting-file-hook'."
(select-window (get-mru-window)))
(defun sr-speedbar-visiting-tag-hook ()
"Function that hook `speedbar-visiting-tag-hook'."
(select-window (get-mru-window)))
(defun sr-speedbar-kill-buffer-hook ()
"Function that hook `kill-buffer-hook'."
(when (eq (current-buffer) speedbar-buffer)
(setq speedbar-frame nil
dframe-attached-frame nil
speedbar-buffer nil)
(speedbar-set-timer nil)
(remove-hook 'speedbar-before-visiting-file-hook 'sr-speedbar-before-visiting-file-hook)
(remove-hook 'speedbar-before-visiting-tag-hook 'sr-speedbar-before-visiting-tag-hook)
(remove-hook 'speedbar-visiting-file-hook 'sr-speedbar-visiting-file-hook)
(remove-hook 'speedbar-visiting-tag-hook 'sr-speedbar-visiting-tag-hook)))
(defun sr-speedbar-refresh ()
"Refresh the context of speedbar."
(when (and (not (equal default-directory sr-speedbar-last-refresh-dictionary)) ;if directory is change
(not (sr-speedbar-window-p))) ;and is not in speedbar buffer
(setq sr-speedbar-last-refresh-dictionary default-directory)
(speedbar-refresh)))
(defun sr-speedbar-handle-auto-refresh (activate &optional echo-show)
"Automatically refresh speedbar content when changed directory.
Do nothing if option ACTIVATE is nil.
Will display message if ECHO-SHOW is non-nil."
(if activate
(progn
(add-hook 'speedbar-timer-hook 'sr-speedbar-refresh)
(if echo-show (message "Turn on speedbar content refresh automatically.")))
(remove-hook 'speedbar-timer-hook 'sr-speedbar-refresh)
(if echo-show (message "Turn off speedbar content refresh automatically."))))
(defun sr-speedbar-current-window-take-width (&optional window)
"Return the width that WINDOW take up.
If WINDOW is nil, get current window."
(let ((edges (window-edges window)))
(- (nth 2 edges) (nth 0 edges))))
(defun sr-speedbar-window-dedicated-only-one-p ()
"Only have one non-dedicated window."
(interactive)
(let ((window-number 0)
(dedicated-window-number 0))
(walk-windows
(lambda (w)
(with-selected-window w
(incf window-number)
(if (window-dedicated-p w)
(incf dedicated-window-number)))))
(if (and (> dedicated-window-number 0)
(= (- window-number dedicated-window-number) 1))
t nil)))
(defun sr-speedbar-window-exist-p (window)
"Return `non-nil' if WINDOW is exist.
Otherwise return nil."
(and window (window-live-p window)))
(defun sr-speedbar-buffer-exist-p (buffer)
"Return `non-nil' if BUFFER is exist.
Otherwise return nil."
(and buffer (buffer-live-p buffer)))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Advices ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defadvice delete-other-windows (around sr-speedbar-delete-other-window-advice activate)
"This advice to make `sr-speedbar' window can't deleted by command `delete-other-windows'."
(let ((sr-speedbar-active-p (sr-speedbar-window-exist-p sr-speedbar-window)))
(if sr-speedbar-active-p
(let ((current-window (selected-window)))
(dolist (win (window-list))
(when (and (window-live-p win)
(not (eq current-window win))
(not (window-dedicated-p win)))
(delete-window win))))
ad-do-it)))
(defadvice delete-window (before sr-speedbar-delete-window-advice activate)
"This advice to remember `sr-speedbar' window width before deleted.
Use `delete-window' delete `sr-speedbar' window have same effect as `sr-speedbar-close'."
;; Remember window width before deleted.
(sr-speedbar-remember-window-width))
(defadvice pop-to-buffer (before sr-speedbar-pop-to-buffer-advice activate)
"This advice is to fix `pop-to-buffer' problem with dedicated window.
Default, function `display-buffer' can't display buffer in select window
if current window is `dedicated'.
So function `display-buffer' conflict with `sr-speedbar' window, because
`sr-speedbar' window is `dedicated' window.
That is to say, when current frame just have one `non-dedicated' window,
any functions that use `display-buffer' can't split windows
to display buffer, even option `pop-up-windows' is enable.
And the example function that can occur above problem is `pop-to-buffer'."
(when (and pop-up-windows ;`pop-up-windows' is enable
(sr-speedbar-window-dedicated-only-one-p) ;just have one `non-dedicated' window
(sr-speedbar-window-exist-p sr-speedbar-window)
(not (sr-speedbar-window-p)) ;not in `sr-speedbar' window
(not (bound-and-true-p helm-alive-p)))
(split-window-vertically)
(windmove-down)))
(defadvice other-window (after sr-speedbar-other-window-advice)
"Default, can use `other-window' select window in cyclic ordering of windows.
But sometimes we don't want select `sr-speedbar' window use `other-window'.
Just want make `sr-speedbar' window as a view sidebar.
This advice can make `other-window' skip `sr-speedbar' window."
(let ((count (or (ad-get-arg 0) 1)))
(when (and (sr-speedbar-window-exist-p sr-speedbar-window)
(eq sr-speedbar-window (selected-window)))
(other-window count))))
(provide 'sr-speedbar)
;;; sr-speedbar.el ends here
(use-package sr-speedbar)
#+end_src
*** Speedbar options